1 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
2 --> $DIR/coherence-cow.rs:18:1
4 LL | impl<T> Remote for Pair<T,Cover<T>> { }
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
7 = note: the impl does not reference any types defined in this crate
8 = note: define and implement a trait or new type instead
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0117`.