| error[E0392]: type parameter `T` is never used |
| --> $DIR/E0374.rs:4:12 |
| | |
| LL | struct Foo<T: ?Sized> { |
| | ^ unused type parameter |
| | |
| = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` |
| |
| error[E0374]: the trait `CoerceUnsized` may only be implemented for a coercion between structures |
| --> $DIR/E0374.rs:8:1 |
| | |
| LL | / impl<T, U> CoerceUnsized<Foo<U>> for Foo<T> |
| LL | | where T: CoerceUnsized<U> {} |
| | |_____________________________^ |
| | |
| = note: expected a single field to be coerced, none found |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0374, E0392. |
| For more information about an error, try `rustc --explain E0374`. |
