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warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/equality.rs:3:12
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LL | #![feature(return_type_notation, async_fn_in_trait)]
| ^^^^^^^^^^^^^^^^^^^^
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= note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
= note: `#[warn(incomplete_features)]` on by default
error: return type notation is not allowed to use type equality
--> $DIR/equality.rs:12:18
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LL | fn test<T: Trait<method() = Box<dyn Future<Output = ()>>>>() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error; 1 warning emitted
|