error[E0310]: the parameter type `impl Debug` may not live long enough --> $DIR/suggest-impl-trait-lifetime.rs:12:5 | LL | bar(d); | ^^^ ...so that the type `impl Debug` will meet its required lifetime bounds... | note: ...that is required by this bound --> $DIR/suggest-impl-trait-lifetime.rs:17:24 | LL | fn bar(d: impl Debug + 'static) { | ^^^^^^^ help: consider adding an explicit lifetime bound... | LL | fn foo(d: impl Debug + 'static) { | +++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0310`.