error[E0603]: trait `Bar` is private --> $DIR/privacy-ufcs.rs:12:20 | LL | ::baz(); | ^^^ private trait | note: the trait `Bar` is defined here --> $DIR/privacy-ufcs.rs:4:5 | LL | trait Bar { | ^^^^^^^^^ error: aborting due to previous error For more information about this error, try `rustc --explain E0603`.