error[E0117]: only traits defined in the current crate can be implemented for types defined outside of the crate --> $DIR/impl[t]-foreign-for-foreign[t].rs:11:1 | LL | impl Remote for Rc { | ^^^^^^^^^^^^^^^^--------- | | | | | `Rc` is not defined in the current crate | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for types defined outside of the crate --> $DIR/impl[t]-foreign-for-foreign[t].rs:16:1 | LL | impl Remote for Arc { | ^^^^^^^^^^^^^^^^^^^------ | | | | | `Arc` is not defined in the current 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 2 previous errors For more information about this error, try `rustc --explain E0117`.