rust/tests/ui/coercion/pin-dyn-dispatch-sound.stderr

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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`.