error[E0309]: the parameter type `T` may not live long enough --> $DIR/projection-where-clause-none.rs:14:5 | LL | bar::() | ^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound... | LL | T: MyTrait<'a> + 'a, | ++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0309`.