| error[E0038]: the trait `Foo` is not dyn compatible |
| --> $DIR/dyn-compatibility.rs:9:17 |
| | |
| LL | let x: &dyn Foo = todo!(); |
| | ^^^ `Foo` 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/dyn-compatibility.rs:5:14 |
| | |
| LL | trait Foo { |
| | --- this trait is not dyn compatible... |
| LL | async fn foo(&self); |
| | ^^^ ...because method `foo` is `async` |
| = help: consider moving `foo` to another trait |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0038`. |