negative_impls.stderr

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error: cross-crate traits with a default impl, like `Unpin`, should not be specialized

  --> tests/ui/unstable-features/negative_impls.rs:17:1

17 | impl Unpin for Foo<MyPhantomPinned, ()> {}

   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

   = warning: this will change its meaning in a future release!

   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>

   = note: `MyPhantomPinned` is not a generic parameter

note: try using the same sequence of generic parameters as the struct definition

  --> tests/ui/unstable-features/negative_impls.rs:8:1

8  | struct Foo<Pinned, Unpinned> {

   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

note: the lint level is defined here

  --> tests/ui/unstable-features/negative_impls.rs:2:9

2  | #![deny(suspicious_auto_trait_impls)]

   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^