rust/tests/ui/type-alias-impl-trait/coherence.stderr

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error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence.rs:14:1
|
LL | impl foreign_crate::ForeignTrait for AliasOfForeignType<()> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------------
| | |
| | type alias impl trait is treated as if it were foreign, because its hidden type could be from a foreign crate
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0117`.