| error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias |
| --> $DIR/issue-55872-3.rs:14:20 |
| | |
| LL | fn foo<T>() -> Self::E { |
| | ^^^^^^^ |
| |
| error[E0277]: the trait bound `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}: Copy` is not satisfied |
| --> $DIR/issue-55872-3.rs:14:20 |
| | |
| LL | fn foo<T>() -> Self::E { |
| | ^^^^^^^ the trait `Copy` is not implemented for `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}` |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |
