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warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/awaiting-unsized-param.rs:3:31
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LL | #![feature(unsized_fn_params, unsized_locals)]
| ^^^^^^^^^^^^^^
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= note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
= note: `#[warn(incomplete_features)]` on by default
error[E0277]: the size for values of type `(dyn Future<Output = T> + Unpin + 'static)` cannot be known at compilation time
--> $DIR/awaiting-unsized-param.rs:8:17
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LL | async fn bug<T>(mut f: dyn Future<Output = T> + Unpin) -> T {
| ^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `(dyn Future<Output = T> + Unpin + 'static)`
= note: all values captured by value by a closure must have a statically known size
error: aborting due to 1 previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0277`.
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