| warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/wrong-size.rs:4:12 |
| | |
| LL | #![feature(async_fn_in_dyn_trait)] |
| | ^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #133119 <https://github.com/rust-lang/rust/issues/133119> for more information |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| error[E0038]: the trait `AsyncTrait` is not dyn compatible |
| --> $DIR/wrong-size.rs:21:17 |
| | |
| LL | let x: &dyn AsyncTrait = &"hello, world!"; |
| | ^^^^^^^^^^ `AsyncTrait` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/wrong-size.rs:9:14 |
| | |
| LL | trait AsyncTrait { |
| | ---------- this trait is not dyn compatible... |
| LL | async fn async_dispatch(&self); |
| | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` |
| = help: consider moving `async_dispatch` to another trait |
| = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. |
| |
| error: aborting due to 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0038`. |