| warning: this `Deref` implementation is covered by an implicit supertrait coercion |
| --> $DIR/migrate-lint-different-substs.rs:11:1 |
| | |
| LL | impl<'a> Deref for dyn Foo + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `dyn Foo` implements `Deref<Target = dyn Bar<u32>>` which conflicts with supertrait `Bar<i32>` |
| ... |
| LL | type Target = dyn Bar<u32> + 'a; |
| | -------------------------------- target type is a supertrait of `dyn Foo` |
| | |
| = warning: this will change its meaning in a future release! |
| = note: for more information, see issue #89460 <https://github.com/rust-lang/rust/issues/89460> |
| = note: `#[warn(deref_into_dyn_supertrait)]` on by default |
| |
| warning: 1 warning emitted |
| |