Vendor things

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)