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