error[E0445]: private trait `Foo` in public interface --> $DIR/E0445.rs:5:1 | LL | trait Foo { | --------- `Foo` declared as private ... LL | pub trait Bar : Foo {} | ^^^^^^^^^^^^^^^^^^^ can't leak private trait error[E0445]: private trait `Foo` in public interface --> $DIR/E0445.rs:7:1 | LL | trait Foo { | --------- `Foo` declared as private ... LL | pub struct Bar2(pub T); | ^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait error[E0445]: private trait `Foo` in public interface --> $DIR/E0445.rs:9:1 | LL | trait Foo { | --------- `Foo` declared as private ... LL | pub fn foo (t: T) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0445`.