src/test/ui/coherence/coherence_local_err_tuple.stderr

   1 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
   2   --> $DIR/coherence_local_err_tuple.rs:14:1
   3    |
   4 LL | impl lib::MyCopy for (MyType,) { }
   5    | ^^^^^^^^^^^^^^^^^^^^^---------
   6    | |                    |
   7    | |                    this is not defined in the current crate because tuples are always foreign
   8    | impl doesn't use only types from inside the current crate
   9    |
  10    = note: define and implement a trait or new type instead
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0117`.