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warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/dont-project-to-specializable-projection.rs:6:12
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LL | #![feature(async_fn_in_trait)]
| ^^^^^^^^^^^^^^^^^
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= note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
= note: `#[warn(incomplete_features)]` on by default
error[E0053]: method `foo` has an incompatible type for trait
--> $DIR/dont-project-to-specializable-projection.rs:16:35
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LL | default async fn foo(_: T) -> &'static str {
| ^^^^^^^^^^^^ expected associated type, found future
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note: type in trait
--> $DIR/dont-project-to-specializable-projection.rs:12:27
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LL | async fn foo(_: T) -> &'static str;
| ^^^^^^^^^^^^
= note: expected signature `fn(_) -> impl Future<Output = &'static str>`
found signature `fn(_) -> impl Future<Output = &'static str>`
error: async associated function in trait cannot be specialized
--> $DIR/dont-project-to-specializable-projection.rs:16:5
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LL | default async fn foo(_: T) -> &'static str {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: specialization behaves in inconsistent and surprising ways with `#![feature(async_fn_in_trait)]`, and for now is disallowed
error: aborting due to 2 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0053`.
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