error[E0309]: the associated type `>::Output` may not live long enough --> $DIR/projection-where-clause-env-wrong-lifetime.rs:14:5 | LL | bar::<>::Output>() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider adding an explicit lifetime bound `>::Output: 'a`... = note: ...so that the type `>::Output` will meet its required lifetime bounds error: aborting due to previous error For more information about this error, try `rustc --explain E0309`.