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