1 error[E0119]: conflicting implementations of trait `MyTrait` for type `(MyType,)`
2 --> $DIR/coherence_copy_like_err_tuple.rs:18:1
4 LL | impl<T: lib::MyCopy> MyTrait for T { }
5 | ---------------------------------- first implementation here
7 LL | impl MyTrait for (MyType,) { }
8 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(MyType,)`
10 = note: upstream crates may add a new impl of trait `lib::MyCopy` for type `(MyType,)` in future versions
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0119`.