error[E0446]: private type `m1::Priv` in public interface --> $DIR/private-in-public-lint.rs:16:9 | LL | struct Priv; | - `m1::Priv` declared as private ... LL | pub fn f() -> Priv {Priv} //~ ERROR private type `m1::Priv` in public interface | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error[E0446]: private type `m2::Priv` in public interface --> $DIR/private-in-public-lint.rs:25:9 | LL | struct Priv; | - `m2::Priv` declared as private ... LL | pub fn f() -> Priv {Priv} //~ ERROR private type `m2::Priv` in public interface | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0446`.