1error: cross-crate traits with a default impl, like `Unpin`, should not be specialized
2  --> tests/ui/unstable-features/negative_impls.rs:17:1
3   |
417 | impl Unpin for Foo<MyPhantomPinned, ()> {}
5   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
6   |
7   = warning: this will change its meaning in a future release!
8   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
9   = note: `MyPhantomPinned` is not a generic parameter
10note: try using the same sequence of generic parameters as the struct definition
11  --> tests/ui/unstable-features/negative_impls.rs:8:1
12   |
138  | struct Foo<Pinned, Unpinned> {
14   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
15note: the lint level is defined here
16  --> tests/ui/unstable-features/negative_impls.rs:2:9
17   |
182  | #![deny(suspicious_auto_trait_impls)]
19   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
20