src/test/ui/traits/impl-1.stderr

   1 error[E0599]: no method named `foo` found for reference `&i32` in the current scope
   2   --> $DIR/impl-1.rs:15:7
   3    |
   4 LL |     x.foo();
   5    |       ^^^ method not found in `&i32`
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0599`.