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error: `dyn B` implements `Deref` with supertrait `(dyn A + 'static)` as output
--> $DIR/migrate-lint-deny.rs:20:12
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LL | take_a(b)
| ^
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note: the lint level is defined here
--> $DIR/migrate-lint-deny.rs:1:9
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LL | #![deny(deref_into_dyn_supertrait)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #89460 <https://github.com/rust-lang/rust/issues/89460>
error: aborting due to previous error
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