error[E0308]: mismatched types --> $DIR/issue-65230.rs:8:6 | LL | impl T1 for &dyn T2 {} | ^^ lifetime mismatch | = note: expected trait `<&dyn T2 as T0>` found trait `<&(dyn T2 + 'static) as T0>` note: the anonymous lifetime as defined here... --> $DIR/issue-65230.rs:8:13 | LL | impl T1 for &dyn T2 {} | ^ = note: ...does not necessarily outlive the static lifetime error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.