20 lines
744 B
Plaintext
20 lines
744 B
Plaintext
error: this `Deref` implementation is covered by an implicit supertrait coercion
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--> $DIR/migrate-lint-deny.rs:9:1
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LL | impl<'a> Deref for dyn 'a + B {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `dyn B` implements `Deref<Target = dyn A>` which conflicts with supertrait `A`
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...
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LL | type Target = dyn A;
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| -------------------- target type is a supertrait of `dyn B`
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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: the lint level is defined here
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--> $DIR/migrate-lint-deny.rs:1:9
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LL | #![deny(deref_into_dyn_supertrait)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 1 previous error
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