impl-foreign.stderr

error[E0116]: cannot define inherent `impl` for a type outside of the crate where the type is defined
  --> $DIR/impl-foreign.rs:11:1
   |
LL | / impl <String as Identity>::Identity {
LL | |     pub fn foo(&self) {}
LL | | }
   | |_^ impl for type defined outside of crate.
   |
   = note: define and implement a trait or new type instead

error: aborting due to previous error

For more information about this error, try `rustc --explain E0116`.