Vendor dependencies for 0.3.0 release

vendor/pin-project/tests/ui/unsafe_unpin/conflict-unpin.rs

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use pin_project::pin_project;
+
+#[pin_project(UnsafeUnpin)] //~ ERROR E0119
+struct Foo<T, U> {
+    #[pin]
+    f1: T,
+    f2: U,
+}
+
+impl<T, U> Unpin for Foo<T, U> where T: Unpin {}
+
+#[pin_project(UnsafeUnpin)] //~ ERROR E0119
+struct Bar<T, U> {
+    #[pin]
+    f1: T,
+    f2: U,
+}
+
+impl<T, U> Unpin for Bar<T, U> {}
+
+#[pin_project(UnsafeUnpin)] //~ ERROR E0119
+struct Baz<T, U> {
+    #[pin]
+    f1: T,
+    f2: U,
+}
+
+impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {}
+
+fn main() {}