Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

22 files changed, 1174 insertions, 0 deletions

diff --git a/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.rs b/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.rs
new file mode 100644
index 000000000..870059d62
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.stderr b/vendor/pin-project-lite/tests/ui/pin_project/conflict-drop.stderr
new file mode 100644
index 000000000..66872bd4b
--- /dev/null
+++ b/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` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.rs b/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.rs
new file mode 100644
index 000000000..f702f064d
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.rs
@@ -0,0 +1,40 @@
+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
+
+fn main() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.stderr b/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.stderr
new file mode 100644
index 000000000..bd30fafdd
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/conflict-unpin.stderr
@@ -0,0 +1,50 @@
+error[E0119]: conflicting implementations of trait `std::marker::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` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `std::marker::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 `$crate::__pin_project_make_unpin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Baz<_, _>`
+  --> tests/ui/pin_project/conflict-unpin.rs:29:1
+   |
+29 | / pin_project! { //~ ERROR E0119
+30 | |     struct Baz<T, U> {
+31 | |         #[pin]
+32 | |         future: T,
+33 | |         field: U,
+34 | |     }
+35 | | }
+   | |_^ conflicting implementation for `Baz<_, _>`
+...
+38 |   impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
+   |   -------------------------------------------- first implementation here
+   |
+   = note: this error originates in the macro `$crate::__pin_project_make_unpin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.rs b/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.rs
new file mode 100644
index 000000000..64b397a37
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.stderr b/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.stderr
new file mode 100644
index 000000000..40e79bf92
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/invalid-bounds.stderr
@@ -0,0 +1,428 @@
+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
+
+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
+
+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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     struct Generics3<T: Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+17 | |         field: T,
+18 | |     }
+19 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     struct Generics4<T: ?Sized : 'static> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+23 | |         field: T,
+24 | |     }
+25 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, `=`, or `>`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, `=`, or `>`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:27:1
+   |
+27 | / pin_project! {
+28 | |     struct Generics5<T: Sized : ?Sized> { //~ ERROR expected one of `+`, `,`, `=`, or `>`, found `:`
+29 | |         field: T,
+30 | |     }
+31 | | }
+   | | ^
+   | | |
+   | | expected one of `+`, `,`, `=`, or `>`
+   | |_unexpected token
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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
+
+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
+
+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
+
+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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:57:1
+   |
+57 | / pin_project! {
+58 | |     struct WhereClause3<T>
+59 | |     where
+60 | |         T: Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+63 | |     }
+64 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:66:1
+   |
+66 | / pin_project! {
+67 | |     struct WhereClause4<T>
+68 | |     where
+69 | |         T: ?Sized : 'static //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+72 | |     }
+73 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected one of `+`, `,`, or `{`, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected one of `+`, `,`, or `{`
+   |   unexpected token
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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 `$crate::__pin_project_parse_generics` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: expected `{` after struct name, found `:`
+  --> tests/ui/pin_project/invalid-bounds.rs:75:1
+   |
+75 | / pin_project! {
+76 | |     struct WhereClause5<T>
+77 | |     where
+78 | |         T: Sized : ?Sized //~ ERROR expected `where`, or `{` after struct name, found `:`
+...  |
+81 | |     }
+82 | | }
+   | | ^
+   | | |
+   | |_expected `{` after struct name
+   |   in this macro invocation
+   |
+   = note: this error originates in the macro `$crate::__pin_project_parse_generics` (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
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/invalid.rs b/vendor/pin-project-lite/tests/ui/pin_project/invalid.rs
new file mode 100644
index 000000000..e0ea61d4f
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/invalid.stderr b/vendor/pin-project-lite/tests/ui/pin_project/invalid.stderr
new file mode 100644
index 000000000..623a88672
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/invalid.stderr
@@ -0,0 +1,59 @@
+error: no rules expected the token `struct`
+ --> tests/ui/pin_project/invalid.rs:3:1
+  |
+3 | / pin_project! {
+4 | |     struct A<T> {
+5 | |         #[pin()] //~ ERROR no rules expected the token `(`
+6 | |         pinned: T,
+7 | |     }
+8 | | }
+  | |_^ no rules expected this token in macro call
+  |
+  = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `struct`
+ --> tests/ui/pin_project/invalid.rs:3:1
+  |
+3 | / pin_project! {
+4 | |     struct A<T> {
+5 | |         #[pin()] //~ ERROR no rules expected the token `(`
+6 | |         pinned: T,
+7 | |     }
+8 | | }
+  | |_^ no rules expected this token in macro call
+  |
+  = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `struct`
+  --> tests/ui/pin_project/invalid.rs:17:1
+   |
+17 | / pin_project! {
+18 | |     struct C<T> {
+19 | |         #[pin]
+20 | |         #[pin] //~ ERROR no rules expected the token `#`
+21 | |         pinned: T,
+22 | |     }
+23 | | }
+   | |_^ no rules expected this token in macro call
+   |
+   = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `struct`
+  --> tests/ui/pin_project/invalid.rs:17:1
+   |
+17 | / pin_project! {
+18 | |     struct C<T> {
+19 | |         #[pin]
+20 | |         #[pin] //~ ERROR no rules expected the token `#`
+21 | |         pinned: T,
+22 | |     }
+23 | | }
+   | |_^ no rules expected this token in macro call
+   |
+   = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+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
+   |       ^^^
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.rs b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.rs
new file mode 100644
index 000000000..117c18d74
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.stderr b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.stderr
new file mode 100644
index 000000000..35074d075
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_lifetime_names.stderr
@@ -0,0 +1,75 @@
+error[E0263]: lifetime name `'__pin` declared twice in the same scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ declared twice
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- previous declaration here
+
+error[E0263]: lifetime name `'__pin` declared twice in the same scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ declared twice
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- previous declaration here
+
+error[E0263]: lifetime name `'__pin` declared twice in the same scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ declared twice
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- previous declaration here
+
+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 `$crate::__pin_project_struct_make_proj_method` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0496]: lifetime name `'__pin` shadows a lifetime name that is already in scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:3:1
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ------ first declared here
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_^ lifetime `'__pin` already in scope
+  |
+  = note: this error originates in the macro `$crate::__pin_project_struct_make_proj_method` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0263]: lifetime name `'__pin` declared twice in the same scope
+ --> tests/ui/pin_project/overlapping_lifetime_names.rs:4:20
+  |
+3 | / pin_project! { //~ ERROR E0263,E0496
+4 | |     pub struct Foo<'__pin, T> {
+  | |                    ^^^^^^ declared twice
+5 | |         #[pin]
+6 | |         field: &'__pin mut T,
+7 | |     }
+8 | | }
+  | |_- previous declaration here
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.rs b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.rs
new file mode 100644
index 000000000..25131d17d
--- /dev/null
+++ b/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
+}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.stderr b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.stderr
new file mode 100644
index 000000000..303e7cbb5
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/overlapping_unpin_struct.stderr
@@ -0,0 +1,33 @@
+error[E0277]: `PhantomPinned` cannot be unpinned
+  --> tests/ui/pin_project/overlapping_unpin_struct.rs:19:5
+   |
+19 |     is_unpin::<Foo<PhantomPinned>>(); //~ ERROR E0277
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `_::__Origin<'_, PhantomPinned>`, the trait `Unpin` is not implemented for `PhantomPinned`
+   |
+   = note: consider using `Box::pin`
+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 because of the requirements on the impl of `Unpin` for `Foo<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 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` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/packed.rs b/vendor/pin-project-lite/tests/ui/pin_project/packed.rs
new file mode 100644
index 000000000..50afb118c
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/packed.rs
@@ -0,0 +1,21 @@
+#![allow(unaligned_references)]
+
+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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/packed.stderr b/vendor/pin-project-lite/tests/ui/pin_project/packed.stderr
new file mode 100644
index 000000000..81fb4f1fc
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/packed.stderr
@@ -0,0 +1,57 @@
+error: reference to packed field is unaligned
+  --> tests/ui/pin_project/packed.rs:5:1
+   |
+5  | / pin_project! { //~ ERROR reference to packed field is unaligned
+6  | |     #[repr(packed, C)]
+7  | |     struct Packed {
+8  | |         #[pin]
+9  | |         field: u16,
+10 | |     }
+11 | | }
+   | |_^
+   |
+note: the lint level is defined here
+  --> tests/ui/pin_project/packed.rs:5:1
+   |
+5  | / pin_project! { //~ ERROR reference to packed field is unaligned
+6  | |     #[repr(packed, C)]
+7  | |     struct Packed {
+8  | |         #[pin]
+9  | |         field: u16,
+10 | |     }
+11 | | }
+   | |_^
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
+   = note: fields of packed structs are not properly aligned, and 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` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: reference to packed field is unaligned
+  --> tests/ui/pin_project/packed.rs:13:1
+   |
+13 | / pin_project! { //~ ERROR reference to packed field is unaligned
+14 | |     #[repr(packed(2))]
+15 | |     struct PackedN {
+16 | |         #[pin]
+17 | |         field: u32,
+18 | |     }
+19 | | }
+   | |_^
+   |
+note: the lint level is defined here
+  --> tests/ui/pin_project/packed.rs:13:1
+   |
+13 | / pin_project! { //~ ERROR reference to packed field is unaligned
+14 | |     #[repr(packed(2))]
+15 | |     struct PackedN {
+16 | |         #[pin]
+17 | |         field: u32,
+18 | |     }
+19 | | }
+   | |_^
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
+   = note: fields of packed structs are not properly aligned, and 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` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.rs b/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.rs
new file mode 100644
index 000000000..984cc2a21
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.stderr b/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.stderr
new file mode 100644
index 000000000..4eb6eff96
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/unpin_sneaky.stderr
@@ -0,0 +1,11 @@
+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
+
+error[E0321]: cross-crate traits with a default impl, like `Unpin`, can only be implemented for a struct/enum type, not `[type error]`
+  --> tests/ui/pin_project/unpin_sneaky.rs:10:1
+   |
+10 | impl Unpin for __Origin {} //~ ERROR E0412,E0321
+   | ^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/unsupported.rs b/vendor/pin-project-lite/tests/ui/pin_project/unsupported.rs
new file mode 100644
index 000000000..2f8083627
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pin_project/unsupported.stderr b/vendor/pin-project-lite/tests/ui/pin_project/unsupported.stderr
new file mode 100644
index 000000000..a7d215a43
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pin_project/unsupported.stderr
@@ -0,0 +1,79 @@
+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: this error originates in the macro `$crate::__pin_project_expand` (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: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `(`
+ --> tests/ui/pin_project/unsupported.rs:8:19
+  |
+8 |     struct Struct2(); //~ ERROR no rules expected the token `(`
+  |                   ^ no rules expected this token in macro call
+
+error: no rules expected the token `;`
+  --> tests/ui/pin_project/unsupported.rs:12:19
+   |
+12 |     struct Struct3; //~ ERROR no rules expected the token `;`
+   |                   ^ no rules expected this token in macro call
+
+error: no rules expected the token `enum`
+  --> tests/ui/pin_project/unsupported.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     enum Enum { //~ ERROR no rules expected the token `enum`
+17 | |         A(u8)
+18 | |     }
+19 | | }
+   | |_^ no rules expected this token in macro call
+   |
+   = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `enum`
+  --> tests/ui/pin_project/unsupported.rs:15:1
+   |
+15 | / pin_project! {
+16 | |     enum Enum { //~ ERROR no rules expected the token `enum`
+17 | |         A(u8)
+18 | |     }
+19 | | }
+   | |_^ no rules expected this token in macro call
+   |
+   = note: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: no rules expected the token `union`
+  --> tests/ui/pin_project/unsupported.rs:21:1
+   |
+21 | / pin_project! {
+22 | |     union Union { //~ ERROR no rules expected the token `union`
+23 | |         x: u8,
+24 | |     }
+25 | | }
+   | |_^ no rules expected this token in macro call
+   |
+   = note: this error originates in the macro `$crate::__pin_project_expand` (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: this error originates in the macro `$crate::__pin_project_expand` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.rs b/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.rs
new file mode 100644
index 000000000..609b3beba
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.rs
@@ -0,0 +1,17 @@
+use pin_project_lite::pin_project;
+
+pin_project! {
+    pub struct S {
+        #[pin]
+        field: u8,
+    }
+    impl PinnedDrop for S {
+        fn drop(this: Pin<&mut Self>) {
+            __drop_inner(this);
+        }
+    }
+}
+
+fn main() {
+    let _x = S { field: 0 };
+}
diff --git a/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.stderr b/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.stderr
new file mode 100644
index 000000000..597f67c84
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pinned_drop/call-drop-inner.stderr
@@ -0,0 +1,22 @@
+error[E0061]: this function takes 0 arguments but 1 argument was supplied
+  --> tests/ui/pinned_drop/call-drop-inner.rs:10:13
+   |
+10 |             __drop_inner(this);
+   |             ^^^^^^^^^^^^ ---- argument unexpected
+   |
+note: function defined here
+  --> tests/ui/pinned_drop/call-drop-inner.rs:3:1
+   |
+3  | / pin_project! {
+4  | |     pub struct S {
+5  | |         #[pin]
+6  | |         field: u8,
+...  |
+12 | |     }
+13 | | }
+   | |_^
+   = note: this error originates in the macro `$crate::__pin_project_make_drop_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: remove the extra argument
+   |
+10 |             __drop_inner();
+   |             ~~~~~~~~~~~~~~
diff --git a/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.rs b/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.rs
new file mode 100644
index 000000000..68b01b265
--- /dev/null
+++ b/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() {}
diff --git a/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.stderr b/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.stderr
new file mode 100644
index 000000000..d70009c97
--- /dev/null
+++ b/vendor/pin-project-lite/tests/ui/pinned_drop/conditional-drop-impl.stderr
@@ -0,0 +1,38 @@
+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> {
+6 | |     f: T,
+7 | | }
+  | |_^
+
+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` (in Nightly builds, run with -Z macro-backtrace for more info)