error[E0438]: const `BAR` is not a member of trait `A` --> $DIR/impl-can-not-have-untraitful-items.rs:4:5 | LL | const BAR: () = (); | ^^^^^^^^^^^^^^^^^^^ not a member of trait `A` error[E0437]: type `Baz` is not a member of trait `A` --> $DIR/impl-can-not-have-untraitful-items.rs:5:5 | LL | type Baz = (); | ^^^^^^^^^^^^^^ not a member of trait `A` error[E0407]: method `foo` is not a member of trait `A` --> $DIR/impl-can-not-have-untraitful-items.rs:6:5 | LL | fn foo(&self) { } | ^^^^^^^^^^^^^^^^^ not a member of trait `A` error: aborting due to 3 previous errors Some errors have detailed explanations: E0407, E0437, E0438. For more information about an error, try `rustc --explain E0407`.