| error[E0321]: cross-crate traits with a default impl, like `Unpin`, can only be implemented for a struct/enum type, not `(dyn MyUnpinTrait + 'static)` | |
| --> $DIR/pin-dyn-dispatch-sound.rs:12:1 | |
| | | |
| LL | impl Unpin for dyn MyUnpinTrait {} | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0321`. |