Vendor things

third-party/vendor/pin-project-lite/tests/auxiliary/mod.rs

@@ -0,0 +1,12 @@
+#![allow(dead_code, unused_macros)]
+
+macro_rules! assert_unpin {
+    ($ty:ty) => {
+        static_assertions::assert_impl_all!($ty: Unpin);
+    };
+}
+macro_rules! assert_not_unpin {
+    ($ty:ty) => {
+        static_assertions::assert_not_impl_all!($ty: Unpin);
+    };
+}

third-party/vendor/pin-project-lite/tests/compiletest.rs

@@ -0,0 +1,16 @@
+#![cfg(not(miri))]
+#![cfg(not(careful))]
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+
+use std::env;
+
+#[rustversion::attr(not(nightly), ignore)]
+#[test]
+fn ui() {
+    if env::var_os("CI").is_none() {
+        env::set_var("TRYBUILD", "overwrite");
+    }
+
+    let t = trybuild::TestCases::new();
+    t.compile_fail("tests/ui/**/*.rs");
+}

third-party/vendor/pin-project-lite/tests/drop_order.rs

@@ -0,0 +1,169 @@
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+
+// Refs: https://doc.rust-lang.org/reference/destructors.html
+
+use std::{cell::Cell, panic, pin::Pin, thread};
+
+use pin_project_lite::pin_project;
+
+struct D<'a>(&'a Cell<usize>, usize);
+
+impl Drop for D<'_> {
+    fn drop(&mut self) {
+        if !thread::panicking() {
+            let old = self.0.replace(self.1);
+            assert_eq!(old, self.1 - 1);
+        }
+    }
+}
+
+pin_project! {
+#[project = StructPinnedProj]
+#[project_ref = StructPinnedProjRef]
+#[project_replace = StructPinnedProjReplace]
+struct StructPinned<'a> {
+    #[pin]
+    f1: D<'a>,
+    #[pin]
+    f2: D<'a>,
+}
+}
+
+pin_project! {
+#[project = StructUnpinnedProj]
+#[project_ref = StructUnpinnedProjRef]
+#[project_replace = StructUnpinnedProjReplace]
+struct StructUnpinned<'a> {
+    f1: D<'a>,
+    f2: D<'a>,
+}
+}
+
+pin_project! {
+#[project_replace = EnumProjReplace]
+enum Enum<'a> {
+    #[allow(dead_code)] // false positive that fixed in Rust 1.38
+    StructPinned {
+        #[pin]
+        f1: D<'a>,
+        #[pin]
+        f2: D<'a>,
+    },
+    #[allow(dead_code)] // false positive that fixed in Rust 1.38
+    StructUnpinned {
+        f1: D<'a>,
+        f2: D<'a>,
+    },
+}
+}
+
+#[test]
+fn struct_pinned() {
+    {
+        let c = Cell::new(0);
+        let _x = StructPinned { f1: D(&c, 1), f2: D(&c, 2) };
+    }
+    {
+        let c = Cell::new(0);
+        let mut x = StructPinned { f1: D(&c, 1), f2: D(&c, 2) };
+        let y = Pin::new(&mut x);
+        let _z = y.project_replace(StructPinned { f1: D(&c, 3), f2: D(&c, 4) });
+    }
+}
+
+#[test]
+fn struct_unpinned() {
+    {
+        let c = Cell::new(0);
+        let _x = StructUnpinned { f1: D(&c, 1), f2: D(&c, 2) };
+    }
+    {
+        let c = Cell::new(0);
+        let mut x = StructUnpinned { f1: D(&c, 1), f2: D(&c, 2) };
+        let y = Pin::new(&mut x);
+        let _z = y.project_replace(StructUnpinned { f1: D(&c, 3), f2: D(&c, 4) });
+    }
+}
+
+#[test]
+fn enum_struct() {
+    {
+        let c = Cell::new(0);
+        let _x = Enum::StructPinned { f1: D(&c, 1), f2: D(&c, 2) };
+    }
+    {
+        let c = Cell::new(0);
+        let mut x = Enum::StructPinned { f1: D(&c, 1), f2: D(&c, 2) };
+        let y = Pin::new(&mut x);
+        let _z = y.project_replace(Enum::StructPinned { f1: D(&c, 3), f2: D(&c, 4) });
+    }
+
+    {
+        let c = Cell::new(0);
+        let _x = Enum::StructUnpinned { f1: D(&c, 1), f2: D(&c, 2) };
+    }
+    {
+        let c = Cell::new(0);
+        let mut x = Enum::StructUnpinned { f1: D(&c, 1), f2: D(&c, 2) };
+        let y = Pin::new(&mut x);
+        let _z = y.project_replace(Enum::StructUnpinned { f1: D(&c, 3), f2: D(&c, 4) });
+    }
+}
+
+// https://github.com/rust-lang/rust/issues/47949
+// https://github.com/taiki-e/pin-project/pull/194#discussion_r419098111
+#[allow(clippy::many_single_char_names)]
+#[test]
+fn project_replace_panic() {
+    pin_project! {
+    #[project_replace = SProjReplace]
+    struct S<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+    }
+
+    struct D<'a>(&'a mut bool, bool);
+    impl Drop for D<'_> {
+        fn drop(&mut self) {
+            *self.0 = true;
+            if self.1 {
+                panic!();
+            }
+        }
+    }
+
+    let (mut a, mut b, mut c, mut d) = (false, false, false, false);
+    let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
+        let mut x = S { pinned: D(&mut a, true), unpinned: D(&mut b, false) };
+        let _y = Pin::new(&mut x)
+            .project_replace(S { pinned: D(&mut c, false), unpinned: D(&mut d, false) });
+        // Previous `x.pinned` was dropped and panicked when `project_replace` is
+        // called, so this is unreachable.
+        unreachable!();
+    }));
+    assert!(res.is_err());
+    assert!(a);
+    assert!(b);
+    assert!(c);
+    assert!(d);
+
+    let (mut a, mut b, mut c, mut d) = (false, false, false, false);
+    let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
+        let mut x = S { pinned: D(&mut a, false), unpinned: D(&mut b, true) };
+        {
+            let _y = Pin::new(&mut x)
+                .project_replace(S { pinned: D(&mut c, false), unpinned: D(&mut d, false) });
+            // `_y` (previous `x.unpinned`) live to the end of this scope, so
+            // this is not unreachable.
+            // unreachable!();
+        }
+        unreachable!();
+    }));
+    assert!(res.is_err());
+    assert!(a);
+    assert!(b);
+    assert!(c);
+    assert!(d);
+}

third-party/vendor/pin-project-lite/tests/expand/default/enum.expanded.rs

@@ -0,0 +1,143 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjReplace<T, U> {
+    Struct { pinned: ::pin_project_lite::__private::PhantomData<T>, unpinned: U },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_replace(
+            self: ::pin_project_lite::__private::Pin<&mut Self>,
+            replacement: Self,
+        ) -> EnumProjReplace<T, U> {
+            unsafe {
+                let __self_ptr: *mut Self = self.get_unchecked_mut();
+                let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
+                    __self_ptr,
+                    replacement,
+                );
+                match &mut *__self_ptr {
+                    Self::Struct { pinned, unpinned } => {
+                        let result = EnumProjReplace::Struct {
+                            pinned: ::pin_project_lite::__private::PhantomData,
+                            unpinned: ::pin_project_lite::__private::ptr::read(unpinned),
+                        };
+                        {
+                            (
+                                ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                                    pinned,
+                                ),
+                                (),
+                            );
+                        }
+                        result
+                    }
+                    Self::Unit => EnumProjReplace::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/default/enum.rs

@@ -0,0 +1,17 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = EnumProj]
+    #[project_ref = EnumProjRef]
+    #[project_replace = EnumProjReplace]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/default/struct.expanded.rs

@@ -0,0 +1,90 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    }
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                Projection {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                ProjectionRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/default/struct.rs

@@ -0,0 +1,11 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/multifields/enum.expanded.rs

@@ -0,0 +1,89 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned1: T, pinned2: T, unpinned1: U, unpinned2: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjReplace<T, U> {
+    Struct {
+        pinned1: ::pin_project_lite::__private::PhantomData<T>,
+        pinned2: ::pin_project_lite::__private::PhantomData<T>,
+        unpinned1: U,
+        unpinned2: U,
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project_replace(
+            self: ::pin_project_lite::__private::Pin<&mut Self>,
+            replacement: Self,
+        ) -> EnumProjReplace<T, U> {
+            unsafe {
+                let __self_ptr: *mut Self = self.get_unchecked_mut();
+                let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
+                    __self_ptr,
+                    replacement,
+                );
+                match &mut *__self_ptr {
+                    Self::Struct { pinned1, pinned2, unpinned1, unpinned2 } => {
+                        let result = EnumProjReplace::Struct {
+                            pinned1: ::pin_project_lite::__private::PhantomData,
+                            pinned2: ::pin_project_lite::__private::PhantomData,
+                            unpinned1: ::pin_project_lite::__private::ptr::read(
+                                unpinned1,
+                            ),
+                            unpinned2: ::pin_project_lite::__private::ptr::read(
+                                unpinned2,
+                            ),
+                        };
+                        {
+                            (
+                                ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                                    pinned1,
+                                ),
+                                ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                                    pinned2,
+                                ),
+                                (),
+                                (),
+                            );
+                        }
+                        result
+                    }
+                    Self::Unit => EnumProjReplace::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (
+            T,
+            T,
+            ::pin_project_lite::__private::AlwaysUnpin<U>,
+            ::pin_project_lite::__private::AlwaysUnpin<U>,
+        ),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/multifields/enum.rs

@@ -0,0 +1,18 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+#[project_replace = EnumProjReplace]
+enum Enum<T, U> {
+    Struct {
+        #[pin]
+        pinned1: T,
+        #[pin]
+        pinned2: T,
+        unpinned1: U,
+        unpinned2: U,
+    },
+    Unit,
+}
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/multifields/struct.expanded.rs

@@ -0,0 +1,151 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned1: T,
+    pinned2: T,
+    unpinned1: U,
+    unpinned2: U,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProjReplace<T, U> {
+    pinned1: ::pin_project_lite::__private::PhantomData<T>,
+    pinned2: ::pin_project_lite::__private::PhantomData<T>,
+    unpinned1: U,
+    unpinned2: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned1: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        pinned2: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned1: &'__pin mut (U),
+        unpinned2: &'__pin mut (U),
+    }
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned1: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        pinned2: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned1: &'__pin (U),
+        unpinned2: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned1, pinned2, unpinned1, unpinned2 } = self
+                    .get_unchecked_mut();
+                Projection {
+                    pinned1: ::pin_project_lite::__private::Pin::new_unchecked(pinned1),
+                    pinned2: ::pin_project_lite::__private::Pin::new_unchecked(pinned2),
+                    unpinned1: unpinned1,
+                    unpinned2: unpinned2,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned1, pinned2, unpinned1, unpinned2 } = self.get_ref();
+                ProjectionRef {
+                    pinned1: ::pin_project_lite::__private::Pin::new_unchecked(pinned1),
+                    pinned2: ::pin_project_lite::__private::Pin::new_unchecked(pinned2),
+                    unpinned1: unpinned1,
+                    unpinned2: unpinned2,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_replace(
+            self: ::pin_project_lite::__private::Pin<&mut Self>,
+            replacement: Self,
+        ) -> StructProjReplace<T, U> {
+            unsafe {
+                let __self_ptr: *mut Self = self.get_unchecked_mut();
+                let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
+                    __self_ptr,
+                    replacement,
+                );
+                let Self { pinned1, pinned2, unpinned1, unpinned2 } = &mut *__self_ptr;
+                let result = StructProjReplace {
+                    pinned1: ::pin_project_lite::__private::PhantomData,
+                    pinned2: ::pin_project_lite::__private::PhantomData,
+                    unpinned1: ::pin_project_lite::__private::ptr::read(unpinned1),
+                    unpinned2: ::pin_project_lite::__private::ptr::read(unpinned2),
+                };
+                {
+                    (
+                        ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                            pinned1,
+                        ),
+                        ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                            pinned2,
+                        ),
+                        (),
+                        (),
+                    );
+                }
+                result
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned1: T,
+        pinned2: T,
+        unpinned1: ::pin_project_lite::__private::AlwaysUnpin<U>,
+        unpinned2: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned1;
+        let _ = &this.pinned2;
+        let _ = &this.unpinned1;
+        let _ = &this.unpinned2;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/multifields/struct.rs

@@ -0,0 +1,15 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+#[project_replace = StructProjReplace]
+struct Struct<T, U> {
+    #[pin]
+    pinned1: T,
+    #[pin]
+    pinned2: T,
+    unpinned1: U,
+    unpinned2: U,
+}
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-all.expanded.rs

@@ -0,0 +1,143 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjReplace<T, U> {
+    Struct { pinned: ::pin_project_lite::__private::PhantomData<T>, unpinned: U },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_replace(
+            self: ::pin_project_lite::__private::Pin<&mut Self>,
+            replacement: Self,
+        ) -> EnumProjReplace<T, U> {
+            unsafe {
+                let __self_ptr: *mut Self = self.get_unchecked_mut();
+                let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
+                    __self_ptr,
+                    replacement,
+                );
+                match &mut *__self_ptr {
+                    Self::Struct { pinned, unpinned } => {
+                        let result = EnumProjReplace::Struct {
+                            pinned: ::pin_project_lite::__private::PhantomData,
+                            unpinned: ::pin_project_lite::__private::ptr::read(unpinned),
+                        };
+                        {
+                            (
+                                ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                                    pinned,
+                                ),
+                                (),
+                            );
+                        }
+                        result
+                    }
+                    Self::Unit => EnumProjReplace::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-all.rs

@@ -0,0 +1,17 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = EnumProj]
+    #[project_ref = EnumProjRef]
+    #[project_replace = EnumProjReplace]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-mut.expanded.rs

@@ -0,0 +1,64 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-mut.rs

@@ -0,0 +1,15 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = EnumProj]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-none.expanded.rs

@@ -0,0 +1,26 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {}
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-none.rs

@@ -0,0 +1,14 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-ref.expanded.rs

@@ -0,0 +1,64 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/enum-ref.rs

@@ -0,0 +1,15 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project_ref = EnumProjRef]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-all.expanded.rs

@@ -0,0 +1,128 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProj<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+    unpinned: &'__pin mut (U),
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProjRef<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+    unpinned: &'__pin (U),
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProjReplace<T, U> {
+    pinned: ::pin_project_lite::__private::PhantomData<T>,
+    unpinned: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> StructProj<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                StructProj {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> StructProjRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                StructProjRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_replace(
+            self: ::pin_project_lite::__private::Pin<&mut Self>,
+            replacement: Self,
+        ) -> StructProjReplace<T, U> {
+            unsafe {
+                let __self_ptr: *mut Self = self.get_unchecked_mut();
+                let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
+                    __self_ptr,
+                    replacement,
+                );
+                let Self { pinned, unpinned } = &mut *__self_ptr;
+                let result = StructProjReplace {
+                    pinned: ::pin_project_lite::__private::PhantomData,
+                    unpinned: ::pin_project_lite::__private::ptr::read(unpinned),
+                };
+                {
+                    (
+                        ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
+                            pinned,
+                        ),
+                        (),
+                    );
+                }
+                result
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-all.rs

@@ -0,0 +1,14 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = StructProj]
+    #[project_ref = StructProjRef]
+    #[project_replace = StructProjReplace]
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-mut.expanded.rs

@@ -0,0 +1,90 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProj<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+    unpinned: &'__pin mut (U),
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> StructProj<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                StructProj {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                ProjectionRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-mut.rs

@@ -0,0 +1,12 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = StructProj]
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-none.expanded.rs

@@ -0,0 +1,90 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    }
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                Projection {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                ProjectionRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-none.rs

@@ -0,0 +1,11 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-ref.expanded.rs

@@ -0,0 +1,90 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProjRef<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+    unpinned: &'__pin (U),
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                Projection {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> StructProjRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                StructProjRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/naming/struct-ref.rs

@@ -0,0 +1,12 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project_ref = StructProjRef]
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/not_unpin/enum.expanded.rs

@@ -0,0 +1,99 @@
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+    }
+    #[doc(hidden)]
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        (
+            ::core::marker::PhantomData<&'__pin ()>,
+            ::core::marker::PhantomPinned,
+        ): ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/not_unpin/enum.rs

@@ -0,0 +1,17 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project(!Unpin)]
+    #[project = EnumProj]
+    #[project_ref = EnumProjRef]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/not_unpin/struct.expanded.rs

@@ -0,0 +1,88 @@
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProj<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+    unpinned: &'__pin mut (U),
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+struct StructProjRef<'__pin, T, U>
+where
+    Struct<T, U>: '__pin,
+{
+    pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+    unpinned: &'__pin (U),
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> StructProj<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                StructProj {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> StructProjRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                StructProjRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[doc(hidden)]
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        (
+            ::core::marker::PhantomData<&'__pin ()>,
+            ::core::marker::PhantomPinned,
+        ): ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/not_unpin/struct.rs

@@ -0,0 +1,14 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = StructProj]
+    #[project(!Unpin)]
+    #[project_ref = StructProjRef]
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pinned_drop/enum.expanded.rs

@@ -0,0 +1,112 @@
+use std::pin::Pin;
+use pin_project_lite::pin_project;
+enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    impl<T, U> ::pin_project_lite::__private::Drop for Enum<T, U> {
+        fn drop(&mut self) {
+            fn __drop_inner<T, U>(
+                this: ::pin_project_lite::__private::Pin<&mut Enum<T, U>>,
+            ) {
+                fn __drop_inner() {}
+                let _ = this;
+            }
+            let pinned_self: ::pin_project_lite::__private::Pin<&mut Self> = unsafe {
+                ::pin_project_lite::__private::Pin::new_unchecked(self)
+            };
+            __drop_inner(pinned_self);
+        }
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pinned_drop/enum.rs

@@ -0,0 +1,23 @@
+use std::pin::Pin;
+
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = EnumProj]
+    #[project_ref = EnumProjRef]
+    enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+    impl<T, U> PinnedDrop for Enum<T, U> {
+        fn drop(this: Pin<&mut Self>) {
+            let _ = this;
+        }
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pinned_drop/struct.expanded.rs

@@ -0,0 +1,101 @@
+use std::pin::Pin;
+use pin_project_lite::pin_project;
+struct Struct<T, U> {
+    pinned: T,
+    unpinned: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    }
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                Projection {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                ProjectionRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    impl<T, U> ::pin_project_lite::__private::Drop for Struct<T, U> {
+        fn drop(&mut self) {
+            fn __drop_inner<T, U>(
+                this: ::pin_project_lite::__private::Pin<&mut Struct<T, U>>,
+            ) {
+                fn __drop_inner() {}
+                let _ = this;
+            }
+            let pinned_self: ::pin_project_lite::__private::Pin<&mut Self> = unsafe {
+                ::pin_project_lite::__private::Pin::new_unchecked(self)
+            };
+            __drop_inner(pinned_self);
+        }
+    }
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pinned_drop/struct.rs

@@ -0,0 +1,18 @@
+use std::pin::Pin;
+
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Struct<T, U> {
+        #[pin]
+        pinned: T,
+        unpinned: U,
+    }
+    impl<T, U> PinnedDrop for Struct<T, U> {
+        fn drop(this: Pin<&mut Self>) {
+            let _ = this;
+        }
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pub/enum.expanded.rs

@@ -0,0 +1,101 @@
+use pin_project_lite::pin_project;
+pub enum Enum<T, U> {
+    Struct { pinned: T, unpinned: U },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+pub(crate) enum EnumProj<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        unpinned: &'__pin mut (U),
+    },
+    Unit,
+}
+#[doc(hidden)]
+#[allow(dead_code)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::mut_mut)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::ref_option_ref)]
+#[allow(clippy::type_repetition_in_bounds)]
+pub(crate) enum EnumProjRef<'__pin, T, U>
+where
+    Enum<T, U>: '__pin,
+{
+    Struct {
+        pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        unpinned: &'__pin (U),
+    },
+    Unit,
+}
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    impl<T, U> Enum<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        pub(crate) fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> EnumProj<'__pin, T, U> {
+            unsafe {
+                match self.get_unchecked_mut() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProj::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProj::Unit,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        pub(crate) fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> EnumProjRef<'__pin, T, U> {
+            unsafe {
+                match self.get_ref() {
+                    Self::Struct { pinned, unpinned } => {
+                        EnumProjRef::Struct {
+                            pinned: ::pin_project_lite::__private::Pin::new_unchecked(
+                                pinned,
+                            ),
+                            unpinned: unpinned,
+                        }
+                    }
+                    Self::Unit => EnumProjRef::Unit,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    pub struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        Struct: (T, ::pin_project_lite::__private::AlwaysUnpin<U>),
+        Unit: (),
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Enum<T, U> {}
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pub/enum.rs

@@ -0,0 +1,16 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    #[project = EnumProj]
+    #[project_ref = EnumProjRef]
+    pub enum Enum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pub/struct.expanded.rs

@@ -0,0 +1,90 @@
+use pin_project_lite::pin_project;
+pub struct Struct<T, U> {
+    pub pinned: T,
+    pub unpinned: U,
+}
+#[allow(explicit_outlives_requirements)]
+#[allow(single_use_lifetimes)]
+#[allow(clippy::unknown_clippy_lints)]
+#[allow(clippy::redundant_pub_crate)]
+#[allow(clippy::used_underscore_binding)]
+const _: () = {
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    pub(crate) struct Projection<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pub pinned: ::pin_project_lite::__private::Pin<&'__pin mut (T)>,
+        pub unpinned: &'__pin mut (U),
+    }
+    #[doc(hidden)]
+    #[allow(dead_code)]
+    #[allow(single_use_lifetimes)]
+    #[allow(clippy::unknown_clippy_lints)]
+    #[allow(clippy::mut_mut)]
+    #[allow(clippy::redundant_pub_crate)]
+    #[allow(clippy::ref_option_ref)]
+    #[allow(clippy::type_repetition_in_bounds)]
+    pub(crate) struct ProjectionRef<'__pin, T, U>
+    where
+        Struct<T, U>: '__pin,
+    {
+        pub pinned: ::pin_project_lite::__private::Pin<&'__pin (T)>,
+        pub unpinned: &'__pin (U),
+    }
+    impl<T, U> Struct<T, U> {
+        #[doc(hidden)]
+        #[inline]
+        pub(crate) fn project<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin mut Self>,
+        ) -> Projection<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_unchecked_mut();
+                Projection {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+        #[doc(hidden)]
+        #[inline]
+        pub(crate) fn project_ref<'__pin>(
+            self: ::pin_project_lite::__private::Pin<&'__pin Self>,
+        ) -> ProjectionRef<'__pin, T, U> {
+            unsafe {
+                let Self { pinned, unpinned } = self.get_ref();
+                ProjectionRef {
+                    pinned: ::pin_project_lite::__private::Pin::new_unchecked(pinned),
+                    unpinned: unpinned,
+                }
+            }
+        }
+    }
+    #[allow(non_snake_case)]
+    pub struct __Origin<'__pin, T, U> {
+        __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
+        pinned: T,
+        unpinned: ::pin_project_lite::__private::AlwaysUnpin<U>,
+    }
+    impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Struct<T, U>
+    where
+        __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
+    {}
+    trait MustNotImplDrop {}
+    #[allow(clippy::drop_bounds, drop_bounds)]
+    impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
+    impl<T, U> MustNotImplDrop for Struct<T, U> {}
+    #[forbid(unaligned_references, safe_packed_borrows)]
+    fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
+        let _ = &this.pinned;
+        let _ = &this.unpinned;
+    }
+};
+fn main() {}

third-party/vendor/pin-project-lite/tests/expand/pub/struct.rs

@@ -0,0 +1,11 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    pub struct Struct<T, U> {
+        #[pin]
+        pub pinned: T,
+        pub unpinned: U,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/expandtest.rs

@@ -0,0 +1,44 @@
+#![cfg(not(miri))]
+#![cfg(not(careful))]
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+
+use std::{
+    env,
+    process::{Command, ExitStatus, Stdio},
+};
+
+const PATH: &str = "tests/expand/**/*.rs";
+
+#[rustversion::attr(not(nightly), ignore)]
+#[test]
+fn expandtest() {
+    let is_ci = env::var_os("CI").is_some();
+    let cargo = &*env::var("CARGO").unwrap_or_else(|_| "cargo".into());
+    if !has_command(&[cargo, "expand"]) {
+        if is_ci {
+            panic!("expandtest requires cargo-expand");
+        }
+        return;
+    }
+
+    let args = &["--all-features"];
+    if is_ci {
+        macrotest::expand_without_refresh_args(PATH, args);
+    } else {
+        env::set_var("MACROTEST", "overwrite");
+        macrotest::expand_args(PATH, args);
+    }
+}
+
+fn has_command(command: &[&str]) -> bool {
+    Command::new(command[0])
+        .args(&command[1..])
+        .arg("--version")
+        .stdin(Stdio::null())
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()
+        .as_ref()
+        .map(ExitStatus::success)
+        .unwrap_or(false)
+}

third-party/vendor/pin-project-lite/tests/include/basic.rs

@@ -0,0 +1,35 @@
+// default pin_project! is completely safe.
+
+::pin_project_lite::pin_project! {
+    #[derive(Debug)]
+    pub struct DefaultStruct<T, U> {
+        #[pin]
+        pub pinned: T,
+        pub unpinned: U,
+    }
+}
+
+::pin_project_lite::pin_project! {
+    #[project = DefaultStructProj]
+    #[project_ref = DefaultStructProjRef]
+    #[derive(Debug)]
+    pub struct DefaultStructNamed<T, U> {
+        #[pin]
+        pub pinned: T,
+        pub unpinned: U,
+    }
+}
+
+::pin_project_lite::pin_project! {
+    #[project = DefaultEnumProj]
+    #[project_ref = DefaultEnumProjRef]
+    #[derive(Debug)]
+    pub enum DefaultEnum<T, U> {
+        Struct {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        },
+        Unit,
+    }
+}

third-party/vendor/pin-project-lite/tests/lint.rs

@@ -0,0 +1,281 @@
+// Check interoperability with rustc and clippy lints.
+
+#![forbid(unsafe_code)]
+// for old compilers
+#![allow(unknown_lints)]
+#![warn(nonstandard_style, rust_2018_idioms, unused)]
+// Note: This does not guarantee compatibility with forbidding these lints in the future.
+// If rustc adds a new lint, we may not be able to keep this.
+#![forbid(future_incompatible, rust_2018_compatibility, rust_2021_compatibility)]
+// lints forbidden as a part of future_incompatible, rust_2018_compatibility, and rust_2021_compatibility are not included in the list below.
+// elided_lifetimes_in_paths, explicit_outlives_requirements, unused_extern_crates:  as a part of rust_2018_idioms
+// unsafe_op_in_unsafe_fn: requires Rust 1.52. and, we don't generate unsafe fn.
+// non_exhaustive_omitted_patterns, multiple_supertrait_upcastable: unstable
+// unstable_features: no way to generate #![feature(..)] by macros, expect for unstable inner attribute. and this lint is deprecated: https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html#unstable-features
+// unused_crate_dependencies, must_not_suspend: unrelated
+// unsafe_code: checked in forbid_unsafe module
+#![warn(
+    box_pointers,
+    deprecated_in_future,
+    fuzzy_provenance_casts,
+    invalid_reference_casting,
+    let_underscore_drop,
+    lossy_provenance_casts,
+    macro_use_extern_crate,
+    meta_variable_misuse,
+    missing_abi,
+    missing_copy_implementations,
+    missing_debug_implementations,
+    missing_docs,
+    non_ascii_idents,
+    noop_method_call,
+    private_bounds,
+    private_interfaces,
+    single_use_lifetimes,
+    trivial_casts,
+    trivial_numeric_casts,
+    unnameable_types,
+    unreachable_pub,
+    unused_import_braces,
+    unused_lifetimes,
+    unused_qualifications,
+    unused_results,
+    unused_tuple_struct_fields,
+    variant_size_differences
+)]
+#![warn(clippy::all, clippy::pedantic, clippy::nursery, clippy::restriction)]
+#![allow(clippy::blanket_clippy_restriction_lints)] // this is a test, so enable all restriction lints intentionally.
+#![allow(
+    clippy::exhaustive_enums,
+    clippy::exhaustive_structs,
+    clippy::min_ident_chars,
+    clippy::single_char_lifetime_names
+)] // TODO
+
+pub mod basic {
+    include!("include/basic.rs");
+}
+
+pub mod box_pointers {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[derive(Debug)]
+        pub struct Struct {
+            #[pin]
+            pub p: Box<isize>,
+            pub u: Box<isize>,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[derive(Debug)]
+        pub enum Enum {
+            Struct {
+                #[pin]
+                p: Box<isize>,
+                u: Box<isize>,
+            },
+            Unit,
+        }
+    }
+}
+
+pub mod explicit_outlives_requirements {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[derive(Debug)]
+        pub struct Struct<'a, T, U>
+        where
+            T: ?Sized,
+            U: ?Sized,
+        {
+            #[pin]
+            pub pinned: &'a mut T,
+            pub unpinned: &'a mut U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[derive(Debug)]
+        pub enum Enum<'a, T, U>
+        where
+            T: ?Sized,
+            U: ?Sized,
+        {
+            Struct {
+                #[pin]
+                pinned: &'a mut T,
+                unpinned: &'a mut U,
+            },
+            Unit,
+        }
+    }
+}
+
+pub mod variant_size_differences {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[allow(missing_debug_implementations, missing_copy_implementations)] // https://github.com/rust-lang/rust/pull/74060
+        #[allow(variant_size_differences)] // for the type itself
+        #[allow(clippy::large_enum_variant)] // for the type itself
+        pub enum Enum {
+            V1 { f: u8 },
+            V2 { f: [u8; 1024] },
+        }
+    }
+}
+
+pub mod clippy_mut_mut {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[derive(Debug)]
+        pub struct Struct<'a, T, U> {
+            #[pin]
+            pub pinned: &'a mut T,
+            pub unpinned: &'a mut U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[derive(Debug)]
+        pub enum Enum<'a, T, U> {
+            Struct {
+                #[pin]
+                pinned: &'a mut T,
+                unpinned: &'a mut U,
+            },
+            Unit,
+        }
+    }
+}
+
+#[allow(unreachable_pub)]
+mod clippy_redundant_pub_crate {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[derive(Debug)]
+        pub struct Struct<T, U> {
+            #[pin]
+            pub pinned: T,
+            pub unpinned: U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[derive(Debug)]
+        pub enum Enum<T, U> {
+            Struct {
+                #[pin]
+                pinned: T,
+                unpinned: U,
+            },
+            Unit,
+        }
+    }
+}
+
+#[allow(clippy::use_self)]
+pub mod clippy_type_repetition_in_bounds {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        #[derive(Debug)]
+        pub struct Struct<T, U>
+        where
+            Struct<T, U>: Sized,
+        {
+            #[pin]
+            pub pinned: T,
+            pub unpinned: U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        #[derive(Debug)]
+        pub enum Enum<T, U>
+        where
+            Enum<T, U>: Sized,
+        {
+            Struct {
+                #[pin]
+                pinned: T,
+                unpinned: U,
+            },
+            Unit,
+        }
+    }
+}
+
+#[allow(missing_debug_implementations)]
+pub mod clippy_used_underscore_binding {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        pub struct Struct<T, U> {
+            #[pin]
+            pub _pinned: T,
+            pub _unpinned: U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        pub enum Enum<T, U> {
+            Struct {
+                #[pin]
+                _pinned: T,
+                _unpinned: U,
+            },
+        }
+    }
+}
+
+pub mod clippy_ref_option_ref {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        pub struct Struct<'a> {
+            #[pin]
+            pub _pinned: Option<&'a ()>,
+            pub _unpinned: Option<&'a ()>,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project(!Unpin)]
+        pub enum Enum<'a> {
+            Struct {
+                #[pin]
+                _pinned: Option<&'a ()>,
+                _unpinned: Option<&'a ()>,
+            },
+        }
+    }
+}

third-party/vendor/pin-project-lite/tests/proper_unpin.rs

@@ -0,0 +1,100 @@
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+#![allow(dead_code)]
+
+#[macro_use]
+mod auxiliary;
+
+pub mod default {
+    use std::marker::PhantomPinned;
+
+    use pin_project_lite::pin_project;
+
+    struct Inner<T> {
+        f: T,
+    }
+
+    assert_unpin!(Inner<()>);
+    assert_not_unpin!(Inner<PhantomPinned>);
+
+    pin_project! {
+        struct Struct<T, U> {
+            #[pin]
+            f1: Inner<T>,
+            f2: U,
+        }
+    }
+
+    assert_unpin!(Struct<(), ()>);
+    assert_unpin!(Struct<(), PhantomPinned>);
+    assert_not_unpin!(Struct<PhantomPinned, ()>);
+    assert_not_unpin!(Struct<PhantomPinned, PhantomPinned>);
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum<T, U> {
+            V1 {
+                #[pin]
+                f1: Inner<T>,
+                f2: U,
+            },
+        }
+    }
+
+    assert_unpin!(Enum<(), ()>);
+    assert_unpin!(Enum<(), PhantomPinned>);
+    assert_not_unpin!(Enum<PhantomPinned, ()>);
+    assert_not_unpin!(Enum<PhantomPinned, PhantomPinned>);
+
+    pin_project! {
+        #[project(!Unpin)]
+        enum NotUnpinEnum<T, U> {
+            V1 {
+                #[pin] f1: Inner<T>,
+                f2: U,
+            }
+        }
+    }
+
+    assert_not_unpin!(NotUnpinEnum<(), ()>);
+
+    pin_project! {
+        struct TrivialBounds {
+            #[pin]
+            f: PhantomPinned,
+        }
+    }
+
+    assert_not_unpin!(TrivialBounds);
+
+    pin_project! {
+        struct PinRef<'a, T, U> {
+            #[pin]
+            f1: &'a mut Inner<T>,
+            f2: U,
+        }
+    }
+
+    assert_unpin!(PinRef<'_, PhantomPinned, PhantomPinned>);
+
+    pin_project! {
+        #[project(!Unpin)]
+        struct NotUnpin<U> {
+            #[pin]
+            u: U
+        }
+    }
+
+    assert_not_unpin!(NotUnpin<()>);
+
+    pin_project! {
+        #[project(!Unpin)]
+        struct NotUnpinRef<'a, T, U> {
+            #[pin]
+            f1: &'a mut Inner<T>,
+            f2: U
+        }
+    }
+
+    assert_not_unpin!(NotUnpinRef<'_, (), ()>);
+}

third-party/vendor/pin-project-lite/tests/test.rs

@@ -0,0 +1,698 @@
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+#![allow(dead_code)]
+
+#[macro_use]
+mod auxiliary;
+
+use core::{
+    marker::{PhantomData, PhantomPinned},
+    pin::Pin,
+};
+
+use pin_project_lite::pin_project;
+
+#[test]
+fn projection() {
+    pin_project! {
+        #[project = StructProj]
+        #[project_ref = StructProjRef]
+        #[project_replace = StructProjReplace]
+        #[derive(Default)]
+        struct Struct<T, U> {
+            #[pin]
+            f1: T,
+            f2: U,
+        }
+    }
+
+    let mut s = Struct { f1: 1, f2: 2 };
+    let mut s_orig = Pin::new(&mut s);
+    let s = s_orig.as_mut().project();
+
+    let _: Pin<&mut i32> = s.f1;
+    assert_eq!(*s.f1, 1);
+    let _: &mut i32 = s.f2;
+    assert_eq!(*s.f2, 2);
+
+    assert_eq!(s_orig.as_ref().f1, 1);
+    assert_eq!(s_orig.as_ref().f2, 2);
+
+    let mut s = Struct { f1: 1, f2: 2 };
+    let mut s = Pin::new(&mut s);
+    {
+        let StructProj { f1, f2 } = s.as_mut().project();
+        let _: Pin<&mut i32> = f1;
+        let _: &mut i32 = f2;
+    }
+    {
+        let StructProjRef { f1, f2 } = s.as_ref().project_ref();
+        let _: Pin<&i32> = f1;
+        let _: &i32 = f2;
+    }
+
+    {
+        let StructProjReplace { f1: PhantomData, f2 } =
+            s.as_mut().project_replace(Struct::default());
+        assert_eq!(f2, 2);
+        let StructProj { f1, f2 } = s.project();
+        assert_eq!(*f1, 0);
+        assert_eq!(*f2, 0);
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[project_replace = EnumProjReplace]
+        #[derive(Eq, PartialEq, Debug)]
+        enum Enum<C, D> {
+            Struct {
+                #[pin]
+                f1: C,
+                f2: D,
+            },
+            Unit,
+        }
+    }
+
+    let mut e = Enum::Struct { f1: 1, f2: 2 };
+    let mut e = Pin::new(&mut e);
+
+    match e.as_mut().project() {
+        EnumProj::Struct { f1, f2 } => {
+            let _: Pin<&mut i32> = f1;
+            assert_eq!(*f1, 1);
+            let _: &mut i32 = f2;
+            assert_eq!(*f2, 2);
+        }
+        EnumProj::Unit => unreachable!(),
+    }
+
+    assert_eq!(&*e, &Enum::Struct { f1: 1, f2: 2 });
+
+    if let EnumProj::Struct { f1, f2 } = e.as_mut().project() {
+        let _: Pin<&mut i32> = f1;
+        assert_eq!(*f1, 1);
+        let _: &mut i32 = f2;
+        assert_eq!(*f2, 2);
+    }
+
+    if let EnumProjReplace::Struct { f1: PhantomData, f2 } = e.as_mut().project_replace(Enum::Unit)
+    {
+        assert_eq!(f2, 2);
+    }
+}
+
+#[test]
+fn enum_project_set() {
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        #[derive(Eq, PartialEq, Debug)]
+        enum Enum {
+            V1 { #[pin] f: u8 },
+            V2 { f: bool },
+        }
+    }
+
+    let mut e = Enum::V1 { f: 25 };
+    let mut e_orig = Pin::new(&mut e);
+    let e_proj = e_orig.as_mut().project();
+
+    match e_proj {
+        EnumProj::V1 { f } => {
+            let new_e = Enum::V2 { f: f.as_ref().get_ref() == &25 };
+            e_orig.set(new_e);
+        }
+        EnumProj::V2 { .. } => unreachable!(),
+    }
+
+    assert_eq!(e, Enum::V2 { f: true });
+}
+
+#[test]
+fn where_clause() {
+    pin_project! {
+        struct Struct<T>
+        where
+            T: Copy,
+        {
+            f: T,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum<T>
+        where
+            T: Copy,
+        {
+            V { f: T },
+        }
+    }
+}
+
+#[test]
+fn where_clause_and_associated_type_field() {
+    pin_project! {
+        struct Struct1<I>
+        where
+            I: Iterator,
+        {
+            #[pin]
+            f1: I,
+            f2: I::Item,
+        }
+    }
+
+    pin_project! {
+        struct Struct2<I, J>
+        where
+            I: Iterator<Item = J>,
+        {
+            #[pin]
+            f1: I,
+            f2: J,
+        }
+    }
+
+    pin_project! {
+        pub struct Struct3<T>
+        where
+            T: 'static,
+        {
+            f: T,
+        }
+    }
+
+    trait Static: 'static {}
+
+    impl<T> Static for Struct3<T> {}
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum<I>
+        where
+            I: Iterator,
+        {
+            V1 { #[pin] f: I },
+            V2 { f: I::Item },
+        }
+    }
+}
+
+#[test]
+fn derive_copy() {
+    pin_project! {
+        #[derive(Clone, Copy)]
+        struct Struct<T> {
+            f: T,
+        }
+    }
+
+    fn is_copy<T: Copy>() {}
+
+    is_copy::<Struct<u8>>();
+}
+
+#[test]
+fn move_out() {
+    struct NotCopy;
+
+    pin_project! {
+        struct Struct {
+            f: NotCopy,
+        }
+    }
+
+    let x = Struct { f: NotCopy };
+    let _val: NotCopy = x.f;
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum {
+            V { f: NotCopy },
+        }
+    }
+
+    let x = Enum::V { f: NotCopy };
+    #[allow(clippy::infallible_destructuring_match)]
+    let _val: NotCopy = match x {
+        Enum::V { f } => f,
+    };
+}
+
+#[test]
+fn trait_bounds_on_type_generics() {
+    pin_project! {
+        pub struct Struct1<'a, T: ?Sized> {
+            f: &'a mut T,
+        }
+    }
+
+    pin_project! {
+        pub struct Struct2<'a, T: ::core::fmt::Debug> {
+            f: &'a mut T,
+        }
+    }
+
+    pin_project! {
+        pub struct Struct3<'a, T: core::fmt::Debug> {
+            f: &'a mut T,
+        }
+    }
+
+    // pin_project! {
+    //     pub struct Struct4<'a, T: core::fmt::Debug + core::fmt::Display> {
+    //         f: &'a mut T,
+    //     }
+    // }
+
+    // pin_project! {
+    //     pub struct Struct5<'a, T: core::fmt::Debug + ?Sized> {
+    //         f: &'a mut T,
+    //     }
+    // }
+
+    pin_project! {
+        pub struct Struct6<'a, T: core::fmt::Debug = [u8; 16]> {
+            f: &'a mut T,
+        }
+    }
+
+    let _: Struct6<'_> = Struct6 { f: &mut [0_u8; 16] };
+
+    pin_project! {
+        pub struct Struct7<T: 'static> {
+            f: T,
+        }
+    }
+
+    trait Static: 'static {}
+
+    impl<T> Static for Struct7<T> {}
+
+    pin_project! {
+        pub struct Struct8<'a, 'b: 'a> {
+            f1: &'a u8,
+            f2: &'b u8,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum<'a, T: ?Sized> {
+            V { f: &'a mut T },
+        }
+    }
+}
+
+#[test]
+fn private_type_in_public_type() {
+    pin_project! {
+        pub struct PublicStruct<T> {
+            #[pin]
+            inner: PrivateStruct<T>,
+        }
+    }
+
+    struct PrivateStruct<T>(T);
+}
+
+#[allow(clippy::needless_lifetimes)]
+#[test]
+fn lifetime_project() {
+    pin_project! {
+        struct Struct1<T, U> {
+            #[pin]
+            pinned: T,
+            unpinned: U,
+        }
+    }
+
+    pin_project! {
+        struct Struct2<'a, T, U> {
+            #[pin]
+            pinned: &'a T,
+            unpinned: U,
+        }
+    }
+
+    pin_project! {
+        #[project = EnumProj]
+        #[project_ref = EnumProjRef]
+        enum Enum<T, U> {
+            V {
+                #[pin]
+                pinned: T,
+                unpinned: U,
+            },
+        }
+    }
+
+    impl<T, U> Struct1<T, U> {
+        fn get_pin_ref<'a>(self: Pin<&'a Self>) -> Pin<&'a T> {
+            self.project_ref().pinned
+        }
+        fn get_pin_mut<'a>(self: Pin<&'a mut Self>) -> Pin<&'a mut T> {
+            self.project().pinned
+        }
+        fn get_pin_ref_elided(self: Pin<&Self>) -> Pin<&T> {
+            self.project_ref().pinned
+        }
+        fn get_pin_mut_elided(self: Pin<&mut Self>) -> Pin<&mut T> {
+            self.project().pinned
+        }
+    }
+
+    impl<'b, T, U> Struct2<'b, T, U> {
+        fn get_pin_ref<'a>(self: Pin<&'a Self>) -> Pin<&'a &'b T> {
+            self.project_ref().pinned
+        }
+        fn get_pin_mut<'a>(self: Pin<&'a mut Self>) -> Pin<&'a mut &'b T> {
+            self.project().pinned
+        }
+        fn get_pin_ref_elided(self: Pin<&Self>) -> Pin<&&'b T> {
+            self.project_ref().pinned
+        }
+        fn get_pin_mut_elided(self: Pin<&mut Self>) -> Pin<&mut &'b T> {
+            self.project().pinned
+        }
+    }
+
+    impl<T, U> Enum<T, U> {
+        fn get_pin_ref<'a>(self: Pin<&'a Self>) -> Pin<&'a T> {
+            match self.project_ref() {
+                EnumProjRef::V { pinned, .. } => pinned,
+            }
+        }
+        fn get_pin_mut<'a>(self: Pin<&'a mut Self>) -> Pin<&'a mut T> {
+            match self.project() {
+                EnumProj::V { pinned, .. } => pinned,
+            }
+        }
+        fn get_pin_ref_elided(self: Pin<&Self>) -> Pin<&T> {
+            match self.project_ref() {
+                EnumProjRef::V { pinned, .. } => pinned,
+            }
+        }
+        fn get_pin_mut_elided(self: Pin<&mut Self>) -> Pin<&mut T> {
+            match self.project() {
+                EnumProj::V { pinned, .. } => pinned,
+            }
+        }
+    }
+}
+
+mod visibility {
+    use pin_project_lite::pin_project;
+
+    pin_project! {
+        pub(crate) struct S {
+            pub f: u8,
+        }
+    }
+}
+
+#[test]
+fn visibility() {
+    let mut x = visibility::S { f: 0 };
+    let x = Pin::new(&mut x);
+    let y = x.as_ref().project_ref();
+    let _: &u8 = y.f;
+    let y = x.project();
+    let _: &mut u8 = y.f;
+}
+
+#[test]
+fn trivial_bounds() {
+    pin_project! {
+        pub struct NoGenerics {
+            #[pin]
+            f: PhantomPinned,
+        }
+    }
+
+    assert_not_unpin!(NoGenerics);
+}
+
+#[test]
+fn dst() {
+    pin_project! {
+        pub struct Struct1<T: ?Sized> {
+            f: T,
+        }
+    }
+
+    let mut x = Struct1 { f: 0_u8 };
+    let x: Pin<&mut Struct1<dyn core::fmt::Debug>> = Pin::new(&mut x as _);
+    let _: &mut (dyn core::fmt::Debug) = x.project().f;
+
+    pin_project! {
+        pub struct Struct2<T: ?Sized> {
+            #[pin]
+            f: T,
+        }
+    }
+
+    let mut x = Struct2 { f: 0_u8 };
+    let x: Pin<&mut Struct2<dyn core::fmt::Debug + Unpin>> = Pin::new(&mut x as _);
+    let _: Pin<&mut (dyn core::fmt::Debug + Unpin)> = x.project().f;
+
+    pin_project! {
+        struct Struct3<T>
+        where
+            T: ?Sized,
+        {
+            f: T,
+        }
+    }
+
+    pin_project! {
+        struct Struct4<T>
+        where
+            T: ?Sized,
+        {
+            #[pin]
+            f: T,
+        }
+    }
+
+    pin_project! {
+        struct Struct11<'a, T: ?Sized, U: ?Sized> {
+            f1: &'a mut T,
+            f2: U,
+        }
+    }
+}
+
+#[test]
+fn dyn_type() {
+    pin_project! {
+        struct Struct1 {
+            f: dyn core::fmt::Debug,
+        }
+    }
+
+    pin_project! {
+        struct Struct2 {
+            #[pin]
+            f: dyn core::fmt::Debug,
+        }
+    }
+
+    pin_project! {
+        struct Struct3 {
+            f: dyn core::fmt::Debug + Send,
+        }
+    }
+
+    pin_project! {
+        struct Struct4 {
+            #[pin]
+            f: dyn core::fmt::Debug + Send,
+        }
+    }
+}
+
+#[test]
+fn no_infer_outlives() {
+    trait Trait<X> {
+        type Y;
+    }
+
+    struct Struct1<A>(A);
+
+    impl<X, T> Trait<X> for Struct1<T> {
+        type Y = Option<T>;
+    }
+
+    pin_project! {
+        struct Struct2<A, B> {
+            _f: <Struct1<A> as Trait<B>>::Y,
+        }
+    }
+}
+
+// https://github.com/taiki-e/pin-project-lite/issues/31
+#[test]
+fn trailing_comma() {
+    pub trait T {}
+
+    pin_project! {
+        pub struct S1<
+            A: T,
+            B: T,
+        > {
+            f: (A, B),
+        }
+    }
+
+    pin_project! {
+        pub struct S2<
+            A,
+            B,
+        >
+        where
+            A: T,
+            B: T,
+        {
+            f: (A, B),
+        }
+    }
+
+    pin_project! {
+        #[allow(explicit_outlives_requirements)]
+        pub struct S3<
+            'a,
+            A: 'a,
+            B: 'a,
+        > {
+            f: &'a (A, B),
+        }
+    }
+
+    // pin_project! {
+    //     pub struct S4<
+    //         'a,
+    //         'b: 'a, // <-----
+    //     > {
+    //         f: &'a &'b (),
+    //     }
+    // }
+}
+
+#[test]
+fn attrs() {
+    pin_project! {
+        /// dox1
+        #[derive(Clone)]
+        #[project = StructProj]
+        #[project_ref = StructProjRef]
+        /// dox2
+        #[derive(Debug)]
+        /// dox3
+        struct Struct {
+            // TODO
+            // /// dox4
+            f: ()
+        }
+    }
+
+    pin_project! {
+        #[project = Enum1Proj]
+        #[project_ref = Enum1ProjRef]
+        enum Enum1 {
+            #[cfg(not(any()))]
+            V {
+                f: ()
+            },
+        }
+    }
+
+    pin_project! {
+        /// dox1
+        #[derive(Clone)]
+        #[project(!Unpin)]
+        #[project = Enum2Proj]
+        #[project_ref = Enum2ProjRef]
+        /// dox2
+        #[derive(Debug)]
+        /// dox3
+        enum Enum2 {
+            /// dox4
+            V1 {
+                // TODO
+                // /// dox5
+                f: ()
+            },
+            /// dox6
+            V2,
+        }
+    }
+}
+
+#[test]
+fn pinned_drop() {
+    pin_project! {
+        pub struct Struct1<'a> {
+            was_dropped: &'a mut bool,
+            #[pin]
+            field: u8,
+        }
+        impl PinnedDrop for Struct1<'_> {
+            fn drop(this: Pin<&mut Self>) {
+                **this.project().was_dropped = true;
+            }
+        }
+    }
+
+    let mut was_dropped = false;
+    drop(Struct1 { was_dropped: &mut was_dropped, field: 42 });
+    assert!(was_dropped);
+
+    pin_project! {
+        pub struct Struct2<'a> {
+            was_dropped: &'a mut bool,
+            #[pin]
+            field: u8,
+        }
+        impl PinnedDrop for Struct2<'_> {
+            fn drop(mut this: Pin<&mut Self>) {
+                **this.as_mut().project().was_dropped = true;
+            }
+        }
+    }
+
+    trait Service<Request> {
+        type Error;
+    }
+
+    pin_project! {
+        struct Struct3<'a, T, Request>
+        where
+            T: Service<Request>,
+            T::Error: std::error::Error,
+        {
+            was_dropped: &'a mut bool,
+            #[pin]
+            field: T,
+            req: Request,
+        }
+
+        /// dox1
+        impl<T, Request> PinnedDrop for Struct3<'_, T, Request>
+        where
+            T: Service<Request>,
+            T::Error: std::error::Error,
+        {
+            /// dox2
+            fn drop(mut this: Pin<&mut Self>) {
+                **this.as_mut().project().was_dropped = true;
+            }
+        }
+    }
+}

third-party/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.rs

@@ -0,0 +1,15 @@
+use pin_project_lite::pin_project;
+
+pin_project! { //~ ERROR E0119
+    struct Foo<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+impl<T, U> Drop for Foo<T, U> {
+    fn drop(&mut self) {}
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.stderr

@@ -0,0 +1,16 @@
+error[E0119]: conflicting implementations of trait `MustNotImplDrop` for type `Foo<_, _>`
+ --> tests/ui/pin_project/conflict-drop.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR E0119
+4 | |     struct Foo<T, U> {
+5 | |         #[pin]
+6 | |         future: T,
+7 | |         field: U,
+8 | |     }
+9 | | }
+  | | ^
+  | | |
+  | |_first implementation here
+  |   conflicting implementation for `Foo<_, _>`
+  |
+  = note: this error originates in the macro `$crate::__pin_project_make_drop_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.rs

@@ -0,0 +1,64 @@
+use pin_project_lite::pin_project;
+
+// The same implementation.
+
+pin_project! { //~ ERROR E0119
+    struct Foo<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+// conflicting implementations
+impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl
+
+// The implementation that under different conditions.
+
+pin_project! { //~ ERROR E0119
+    struct Bar<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+// conflicting implementations
+impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl
+
+pin_project! { //~ ERROR E0119
+    struct Baz<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+// conflicting implementations
+impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
+
+pin_project! { //~ ERROR E0119
+    #[project(!Unpin)]
+    struct Qux<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+// conflicting implementations
+impl<T, U> Unpin for Qux<T, U> {} // Non-conditional Unpin impl
+
+pin_project! { //~ ERROR E0119
+    #[project(!Unpin)]
+    struct Fred<T, U> {
+        #[pin]
+        future: T,
+        field: U,
+    }
+}
+
+// conflicting implementations
+impl<T: Unpin, U: Unpin> Unpin for Fred<T, U> {} // Conditional Unpin impl
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.stderr

@@ -0,0 +1,84 @@
+error[E0119]: conflicting implementations of trait `Unpin` for type `Foo<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:5:1
+   |
+5  | / pin_project! { //~ ERROR E0119
+6  | |     struct Foo<T, U> {
+7  | |         #[pin]
+8  | |         future: T,
+9  | |         field: U,
+10 | |     }
+11 | | }
+   | |_^ conflicting implementation for `Foo<_, _>`
+...
+14 |   impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl
+   |   ------------------------------ first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `Unpin` for type `Bar<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:18:1
+   |
+18 | / pin_project! { //~ ERROR E0119
+19 | |     struct Bar<T, U> {
+20 | |         #[pin]
+21 | |         future: T,
+22 | |         field: U,
+23 | |     }
+24 | | }
+   | |_^ conflicting implementation for `Bar<_, _>`
+...
+27 |   impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl
+   |   ------------------------------ first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `Unpin` for type `Baz<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:29:1
+   |
+29 | / pin_project! { //~ ERROR E0119
+30 | |     struct Baz<T, U> {
+31 | |         #[pin]
+32 | |         future: T,
+33 | |         field: U,
+34 | |     }
+35 | | }
+   | |_^ conflicting implementation for `Baz<_, _>`
+...
+38 |   impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
+   |   -------------------------------------------- first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `Unpin` for type `Qux<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:40:1
+   |
+40 | / pin_project! { //~ ERROR E0119
+41 | |     #[project(!Unpin)]
+42 | |     struct Qux<T, U> {
+43 | |         #[pin]
+...  |
+46 | |     }
+47 | | }
+   | |_^ conflicting implementation for `Qux<_, _>`
+...
+50 |   impl<T, U> Unpin for Qux<T, U> {} // Non-conditional Unpin impl
+   |   ------------------------------ first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `Unpin` for type `Fred<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:52:1
+   |
+52 | / pin_project! { //~ ERROR E0119
+53 | |     #[project(!Unpin)]
+54 | |     struct Fred<T, U> {
+55 | |         #[pin]
+...  |
+58 | |     }
+59 | | }
+   | |_^ conflicting implementation for `Fred<_, _>`
+...
+62 |   impl<T: Unpin, U: Unpin> Unpin for Fred<T, U> {} // Conditional Unpin impl
+   |   --------------------------------------------- first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.rs

@@ -0,0 +1,93 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Generics1<T: 'static : Sized> { //~ ERROR no rules expected the token `:`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct Generics2<T: 'static : ?Sized> { //~ ERROR no rules expected the token `:`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct Generics6<T: ?Sized : Sized> { //~ ERROR no rules expected the token `Sized`
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause1<T>
+    where
+        T: 'static : Sized //~ ERROR no rules expected the token `:`
+    {
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause2<T>
+    where
+        T: 'static : ?Sized //~ ERROR no rules expected the token `:`
+    {
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause3<T>
+    where
+        T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+    {
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause4<T>
+    where
+        T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+    {
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause5<T>
+    where
+        T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+    {
+        field: T,
+    }
+}
+
+pin_project! {
+    struct WhereClause6<T>
+    where
+        T: ?Sized : Sized //~ ERROR no rules expected the token `Sized`
+    {
+        field: T,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.stderr

@@ -0,0 +1,470 @@
+error: no rules expected the token `:`
+ --> tests/ui/pin_project/invalid-bounds.rs:4:33
+  |
+4 |     struct Generics1<T: 'static : Sized> { //~ ERROR no rules expected the token `:`
+  |                                 ^ no rules expected this token in macro call
+  |
+note: while trying to match `>`
+ --> src/lib.rs
+  |
+  |         >)?
+  |         ^
+
+error: no rules expected the token `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:10:33
+   |
+10 |     struct Generics2<T: 'static : ?Sized> { //~ ERROR no rules expected the token `:`
+   |                                 ^ no rules expected this token in macro call
+   |
+note: while trying to match `>`
+  --> src/lib.rs
+   |
+   |         >)?
+   |         ^
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `Sized`
+  --> tests/ui/pin_project/invalid-bounds.rs:34:34
+   |
+34 |     struct Generics6<T: ?Sized : Sized> { //~ ERROR no rules expected the token `Sized`
+   |                                  ^^^^^ no rules expected this token in macro call
+   |
+note: while trying to match meta-variable `$generics_lifetime_bound:lifetime`
+  --> src/lib.rs
+   |
+   |                 $(: $generics_lifetime_bound:lifetime)?
+   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: no rules expected the token `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:42:20
+   |
+42 |         T: 'static : Sized //~ ERROR no rules expected the token `:`
+   |                    ^ no rules expected this token in macro call
+   |
+note: while trying to match `{`
+  --> src/lib.rs
+   |
+   |         {
+   |         ^
+
+error: no rules expected the token `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:51:20
+   |
+51 |         T: 'static : ?Sized //~ ERROR no rules expected the token `:`
+   |                    ^ no rules expected this token in macro call
+   |
+note: while trying to match `{`
+  --> src/lib.rs
+   |
+   |         {
+   |         ^
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `Sized`
+  --> tests/ui/pin_project/invalid-bounds.rs:87:21
+   |
+87 |         T: ?Sized : Sized //~ ERROR no rules expected the token `Sized`
+   |                     ^^^^^ no rules expected this token in macro call
+   |
+note: while trying to match meta-variable `$where_clause_lifetime_bound:lifetime`
+  --> src/lib.rs
+   |
+   |                 $(: $where_clause_lifetime_bound:lifetime)?
+   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

third-party/vendor/pin-project-lite/tests/ui/pin_project/invalid.rs

@@ -0,0 +1,25 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct A<T> {
+        #[pin()] //~ ERROR no rules expected the token `(`
+        pinned: T,
+    }
+}
+
+pin_project! {
+    #[pin] //~ ERROR cannot find attribute `pin` in this scope
+    struct B<T> {
+        pinned: T,
+    }
+}
+
+pin_project! {
+    struct C<T> {
+        #[pin]
+        #[pin] //~ ERROR no rules expected the token `#`
+        pinned: T,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/invalid.stderr

@@ -0,0 +1,53 @@
+error: no rules expected the token `(`
+ --> tests/ui/pin_project/invalid.rs:5:14
+  |
+5 |         #[pin()] //~ ERROR no rules expected the token `(`
+  |              ^ no rules expected this token in macro call
+  |
+note: while trying to match `]`
+ --> src/lib.rs
+  |
+  |                 $(#[$pin:ident])?
+  |                               ^
+
+error: no rules expected the token `(`
+ --> tests/ui/pin_project/invalid.rs:5:14
+  |
+5 |         #[pin()] //~ ERROR no rules expected the token `(`
+  |              ^ no rules expected this token in macro call
+  |
+note: while trying to match `]`
+ --> src/lib.rs
+  |
+  |                 $(#[$pin:ident])?
+  |                               ^
+
+error: no rules expected the token `#`
+  --> tests/ui/pin_project/invalid.rs:20:9
+   |
+20 |         #[pin] //~ ERROR no rules expected the token `#`
+   |         ^ no rules expected this token in macro call
+   |
+note: while trying to match meta-variable `$field_vis:vis`
+  --> src/lib.rs
+   |
+   |                 $field_vis:vis $field:ident: $field_ty:ty
+   |                 ^^^^^^^^^^^^^^
+
+error: no rules expected the token `#`
+  --> tests/ui/pin_project/invalid.rs:20:9
+   |
+20 |         #[pin] //~ ERROR no rules expected the token `#`
+   |         ^ no rules expected this token in macro call
+   |
+note: while trying to match meta-variable `$field_vis:vis`
+  --> src/lib.rs
+   |
+   |                 $field_vis:vis $field:ident: $field_ty:ty
+   |                 ^^^^^^^^^^^^^^
+
+error: cannot find attribute `pin` in this scope
+  --> tests/ui/pin_project/invalid.rs:11:7
+   |
+11 |     #[pin] //~ ERROR cannot find attribute `pin` in this scope
+   |       ^^^

third-party/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.rs

@@ -0,0 +1,10 @@
+use pin_project_lite::pin_project;
+
+pin_project! { //~ ERROR E0263,E0496
+    pub struct Foo<'__pin, T> {
+        #[pin]
+        field: &'__pin mut T,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.stderr

@@ -0,0 +1,75 @@
+error[E0403]: the name `'__pin` is already used for a generic parameter in this item's generic parameters
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ already used
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- first use of `'__pin`
+
+error[E0403]: the name `'__pin` is already used for a generic parameter in this item's generic parameters
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ already used
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- first use of `'__pin`
+
+error[E0496]: lifetime name `'__pin` shadows a lifetime name that is already in scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ------ first declared here
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_^ lifetime `'__pin` already in scope
+  |
+  = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0496]: lifetime name `'__pin` shadows a lifetime name that is already in scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ------ first declared here
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_^ lifetime `'__pin` already in scope
+  |
+  = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0403]: the name `'__pin` is already used for a generic parameter in this item's generic parameters
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ already used
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- first use of `'__pin`
+
+error[E0403]: the name `'__pin` is already used for a generic parameter in this item's generic parameters
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ already used
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- first use of `'__pin`

third-party/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.rs

@@ -0,0 +1,20 @@
+use std::marker::PhantomPinned;
+
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Foo<T> {
+        #[pin]
+        inner: T,
+    }
+}
+
+struct __Origin {}
+
+impl Unpin for __Origin {}
+
+fn is_unpin<T: Unpin>() {}
+
+fn main() {
+    is_unpin::<Foo<PhantomPinned>>(); //~ ERROR E0277
+}

third-party/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.stderr

@@ -0,0 +1,34 @@
+error[E0277]: `PhantomPinned` cannot be unpinned
+  --> tests/ui/pin_project/overlapping_unpin_struct.rs:19:16
+   |
+19 |     is_unpin::<Foo<PhantomPinned>>(); //~ ERROR E0277
+   |                ^^^^^^^^^^^^^^^^^^ within `_::__Origin<'_, PhantomPinned>`, the trait `Unpin` is not implemented for `PhantomPinned`
+   |
+   = note: consider using the `pin!` macro
+           consider using `Box::pin` if you need to access the pinned value outside of the current scope
+note: required because it appears within the type `__Origin<'_, PhantomPinned>`
+  --> tests/ui/pin_project/overlapping_unpin_struct.rs:5:1
+   |
+5  | / pin_project! {
+6  | |     struct Foo<T> {
+7  | |         #[pin]
+8  | |         inner: T,
+9  | |     }
+10 | | }
+   | |_^
+note: required for `Foo<PhantomPinned>` to implement `Unpin`
+  --> tests/ui/pin_project/overlapping_unpin_struct.rs:5:1
+   |
+5  | / pin_project! {
+6  | |     struct Foo<T> {
+7  | |         #[pin]
+8  | |         inner: T,
+9  | |     }
+10 | | }
+   | |_^ unsatisfied trait bound introduced here
+note: required by a bound in `is_unpin`
+  --> tests/ui/pin_project/overlapping_unpin_struct.rs:16:16
+   |
+16 | fn is_unpin<T: Unpin>() {}
+   |                ^^^^^ required by this bound in `is_unpin`
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pin_project/packed.rs

@@ -0,0 +1,19 @@
+use pin_project_lite::pin_project;
+
+pin_project! { //~ ERROR reference to packed field is unaligned
+    #[repr(packed, C)]
+    struct Packed {
+        #[pin]
+        field: u16,
+    }
+}
+
+pin_project! { //~ ERROR reference to packed field is unaligned
+    #[repr(packed(2))]
+    struct PackedN {
+        #[pin]
+        field: u32,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/packed.stderr

@@ -0,0 +1,101 @@
+error[E0793]: reference to packed field is unaligned
+ --> tests/ui/pin_project/packed.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR reference to packed field is unaligned
+4 | |     #[repr(packed, C)]
+5 | |     struct Packed {
+6 | |         #[pin]
+7 | |         field: u16,
+8 | |     }
+9 | | }
+  | |_^
+  |
+  = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+  = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+  = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+  = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0793]: reference to packed field is unaligned
+ --> tests/ui/pin_project/packed.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR reference to packed field is unaligned
+4 | |     #[repr(packed, C)]
+5 | |     struct Packed {
+6 | |         #[pin]
+7 | |         field: u16,
+8 | |     }
+9 | | }
+  | |_^
+  |
+  = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+  = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+  = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+  = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0793]: reference to packed field is unaligned
+ --> tests/ui/pin_project/packed.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR reference to packed field is unaligned
+4 | |     #[repr(packed, C)]
+5 | |     struct Packed {
+6 | |         #[pin]
+7 | |         field: u16,
+8 | |     }
+9 | | }
+  | |_^
+  |
+  = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+  = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+  = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+  = note: this error originates in the macro `$crate::__pin_project_constant` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0793]: reference to packed field is unaligned
+  --> tests/ui/pin_project/packed.rs:11:1
+   |
+11 | / pin_project! { //~ ERROR reference to packed field is unaligned
+12 | |     #[repr(packed(2))]
+13 | |     struct PackedN {
+14 | |         #[pin]
+15 | |         field: u32,
+16 | |     }
+17 | | }
+   | |_^
+   |
+   = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+   = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+   = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0793]: reference to packed field is unaligned
+  --> tests/ui/pin_project/packed.rs:11:1
+   |
+11 | / pin_project! { //~ ERROR reference to packed field is unaligned
+12 | |     #[repr(packed(2))]
+13 | |     struct PackedN {
+14 | |         #[pin]
+15 | |         field: u32,
+16 | |     }
+17 | | }
+   | |_^
+   |
+   = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+   = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+   = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0793]: reference to packed field is unaligned
+  --> tests/ui/pin_project/packed.rs:11:1
+   |
+11 | / pin_project! { //~ ERROR reference to packed field is unaligned
+12 | |     #[repr(packed(2))]
+13 | |     struct PackedN {
+14 | |         #[pin]
+15 | |         field: u32,
+16 | |     }
+17 | | }
+   | |_^
+   |
+   = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
+   = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
+   = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
+   = note: this error originates in the macro `$crate::__pin_project_constant` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.rs

@@ -0,0 +1,12 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Foo {
+        #[pin]
+        inner: u8,
+    }
+}
+
+impl Unpin for __Origin {} //~ ERROR E0412,E0321
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.stderr

@@ -0,0 +1,5 @@
+error[E0412]: cannot find type `__Origin` in this scope
+  --> tests/ui/pin_project/unpin_sneaky.rs:10:16
+   |
+10 | impl Unpin for __Origin {} //~ ERROR E0412,E0321
+   |                ^^^^^^^^ not found in this scope

third-party/vendor/pin-project-lite/tests/ui/pin_project/unsupported.rs

@@ -0,0 +1,27 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    struct Struct1 {} //~ ERROR no rules expected the token `}`
+}
+
+pin_project! {
+    struct Struct2(); //~ ERROR no rules expected the token `(`
+}
+
+pin_project! {
+    struct Struct3; //~ ERROR no rules expected the token `;`
+}
+
+pin_project! {
+    enum Enum { //~ ERROR no rules expected the token `enum`
+        A(u8)
+    }
+}
+
+pin_project! {
+    union Union { //~ ERROR no rules expected the token `union`
+        x: u8,
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pin_project/unsupported.stderr

@@ -0,0 +1,115 @@
+error: no rules expected the token `}`
+ --> tests/ui/pin_project/unsupported.rs:3:1
+  |
+3 | / pin_project! {
+4 | |     struct Struct1 {} //~ ERROR no rules expected the token `}`
+5 | | }
+  | |_^ no rules expected this token in macro call
+  |
+note: while trying to match meta-variable `$field_vis:vis`
+ --> src/lib.rs
+  |
+  |                 $field_vis:vis $field:ident: $field_ty:ty
+  |                 ^^^^^^^^^^^^^^
+  = note: this error originates in the macro `$crate::__pin_project_expand` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `}`
+ --> tests/ui/pin_project/unsupported.rs:3:1
+  |
+3 | / pin_project! {
+4 | |     struct Struct1 {} //~ ERROR no rules expected the token `}`
+5 | | }
+  | |_^ no rules expected this token in macro call
+  |
+note: while trying to match meta-variable `$field_vis:vis`
+ --> src/lib.rs
+  |
+  |                 $field_vis:vis $field:ident: $field_ty:ty
+  |                 ^^^^^^^^^^^^^^
+  = note: this error originates in the macro `$crate::__pin_project_expand` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `(`
+ --> tests/ui/pin_project/unsupported.rs:8:19
+  |
+8 |     struct Struct2(); //~ ERROR no rules expected the token `(`
+  |                   ^ no rules expected this token in macro call
+  |
+note: while trying to match `{`
+ --> src/lib.rs
+  |
+  |         {
+  |         ^
+
+error: no rules expected the token `;`
+  --> tests/ui/pin_project/unsupported.rs:12:19
+   |
+12 |     struct Struct3; //~ ERROR no rules expected the token `;`
+   |                   ^ no rules expected this token in macro call
+   |
+note: while trying to match `{`
+  --> src/lib.rs
+   |
+   |         {
+   |         ^
+
+error: no rules expected the token `(`
+  --> tests/ui/pin_project/unsupported.rs:17:10
+   |
+17 |         A(u8)
+   |          ^ no rules expected this token in macro call
+   |
+note: while trying to match `}`
+  --> src/lib.rs
+   |
+   |         }
+   |         ^
+
+error: no rules expected the token `(`
+  --> tests/ui/pin_project/unsupported.rs:17:10
+   |
+17 |         A(u8)
+   |          ^ no rules expected this token in macro call
+   |
+note: while trying to match `}`
+  --> src/lib.rs
+   |
+   |         }
+   |         ^
+
+error: no rules expected the token `union`
+  --> tests/ui/pin_project/unsupported.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     union Union { //~ ERROR no rules expected the token `union`
+23 | |         x: u8,
+24 | |     }
+25 | | }
+   | |_^ no rules expected this token in macro call
+   |
+note: while trying to match `struct`
+  --> src/lib.rs
+   |
+   |         [$(#[$attrs:meta])* $vis:vis struct $ident:ident]
+   |                                      ^^^^^^
+   = note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
+   = note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
+   = note: this error originates in the macro `$crate::__pin_project_expand` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `union`
+  --> tests/ui/pin_project/unsupported.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     union Union { //~ ERROR no rules expected the token `union`
+23 | |         x: u8,
+24 | |     }
+25 | | }
+   | |_^ no rules expected this token in macro call
+   |
+note: while trying to match `struct`
+  --> src/lib.rs
+   |
+   |         [$(#[$attrs:meta])* $vis:vis struct $ident:ident]
+   |                                      ^^^^^^
+   = note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens
+   = note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information
+   = note: this error originates in the macro `$crate::__pin_project_expand` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.rs

@@ -0,0 +1,17 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    pub struct S {
+        #[pin]
+        field: u8,
+    }
+    impl PinnedDrop for S {
+        fn drop(this: Pin<&mut Self>) {
+            __drop_inner(this);
+        }
+    }
+}
+
+fn main() {
+    let _x = S { field: 0 };
+}

third-party/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.stderr

@@ -0,0 +1,21 @@
+error[E0061]: this function takes 0 arguments but 1 argument was supplied
+  --> tests/ui/pinned_drop/call-drop-inner.rs:10:13
+   |
+10 |             __drop_inner(this);
+   |             ^^^^^^^^^^^^ ----
+   |                          |
+   |                          unexpected argument of type `Pin<&mut S>`
+   |                          help: remove the extra argument
+   |
+note: function defined here
+  --> tests/ui/pinned_drop/call-drop-inner.rs:3:1
+   |
+3  | / pin_project! {
+4  | |     pub struct S {
+5  | |         #[pin]
+6  | |         field: u8,
+...  |
+12 | |     }
+13 | | }
+   | |_^
+   = note: this error originates in the macro `$crate::__pin_project_make_drop_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)

third-party/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.rs

@@ -0,0 +1,26 @@
+use pin_project_lite::pin_project;
+
+// In `Drop` impl, the implementor must specify the same requirement as type definition.
+
+struct DropImpl<T> {
+    f: T,
+}
+
+impl<T: Unpin> Drop for DropImpl<T> {
+    //~^ ERROR E0367
+    fn drop(&mut self) {}
+}
+
+pin_project! {
+    //~^ ERROR E0367
+    struct PinnedDropImpl<T> {
+        #[pin]
+        f: T,
+    }
+
+    impl<T: Unpin> PinnedDrop for PinnedDropImpl<T> {
+        fn drop(_this: Pin<&mut Self>) {}
+    }
+}
+
+fn main() {}

third-party/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.stderr

@@ -0,0 +1,36 @@
+error[E0367]: `Drop` impl requires `T: Unpin` but the struct it is implemented for does not
+ --> tests/ui/pinned_drop/conditional-drop-impl.rs:9:9
+  |
+9 | impl<T: Unpin> Drop for DropImpl<T> {
+  |         ^^^^^
+  |
+note: the implementor must specify the same requirement
+ --> tests/ui/pinned_drop/conditional-drop-impl.rs:5:1
+  |
+5 | struct DropImpl<T> {
+  | ^^^^^^^^^^^^^^^^^^
+
+error[E0367]: `Drop` impl requires `T: Unpin` but the struct it is implemented for does not
+  --> tests/ui/pinned_drop/conditional-drop-impl.rs:14:1
+   |
+14 | / pin_project! {
+15 | |     //~^ ERROR E0367
+16 | |     struct PinnedDropImpl<T> {
+17 | |         #[pin]
+...  |
+23 | |     }
+24 | | }
+   | |_^
+   |
+note: the implementor must specify the same requirement
+  --> tests/ui/pinned_drop/conditional-drop-impl.rs:14:1
+   |
+14 | / pin_project! {
+15 | |     //~^ ERROR E0367
+16 | |     struct PinnedDropImpl<T> {
+17 | |         #[pin]
+...  |
+23 | |     }
+24 | | }
+   | |_^
+   = note: this error originates in the macro `$crate::__pin_project_make_drop_impl` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)