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