error[E0449]: visibility qualifiers are not permitted here
  --> $DIR/trait-pub-method.rs:2:5
   |
LL |     pub fn foo();
   |     ^^^ help: remove the qualifier
   |
   = note: trait items always share the visibility of their trait

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0449`.