error[E0446]: private type `Snail` in public interface --> $DIR/issue-33174-restricted-type-in-public-interface.rs:18:1 | LL | pub(crate) struct Snail; | ----------------------- `Snail` declared as private ... LL | pub type Helix_pomatia = Shell; | ^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error[E0446]: crate-private type `Turtle` in public interface --> $DIR/issue-33174-restricted-type-in-public-interface.rs:21:1 | LL | pub(super) struct Turtle; | ------------------------ `Turtle` declared as crate-private ... LL | pub type Dermochelys_coriacea = Shell; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak crate-private type error[E0446]: private type `Tortoise` in public interface --> $DIR/issue-33174-restricted-type-in-public-interface.rs:24:1 | LL | struct Tortoise; | --------------- `Tortoise` declared as private ... LL | pub type Testudo_graeca = Shell; | ^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0446`.