error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == i32` --> $DIR/associated-types-overridden-binding-2.rs:6:43 | LL | let _: &dyn I32Iterator = &vec![42].into_iter(); | ^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32 | = note: expected type `i32` found type `u32` = note: required for the cast to the object type `dyn std::iter::Iterator` error: aborting due to previous error For more information about this error, try `rustc --explain E0271`.