error[E0309]: the parameter type `T` may not live long enough --> $DIR/impl-trait-outlives.rs:11:5 | LL | fn no_region<'a, T>(x: Box) -> impl Debug + 'a | -- the parameter type `T` must be valid for the lifetime `'a` as defined here... ... LL | x | ^ ...so that the type `T` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound | LL | T: Debug + 'a, | ++++ error[E0309]: the parameter type `T` may not live long enough --> $DIR/impl-trait-outlives.rs:26:5 | LL | fn wrong_region<'a, 'b, T>(x: Box) -> impl Debug + 'a | -- the parameter type `T` must be valid for the lifetime `'a` as defined here... ... LL | x | ^ ...so that the type `T` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound | LL | T: 'b + Debug + 'a, | ++++ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0309`.