error: trait objects without an explicit `dyn` are deprecated --> $DIR/ice-3969.rs:25:17 | LL | for<'a> Dst<A + 'a>: Sized, | ^^^^^^ help: use `dyn`: `dyn A + 'a` | = note: `-D bare-trait-objects` implied by `-D warnings` error: trait objects without an explicit `dyn` are deprecated --> $DIR/ice-3969.rs:27:16 | LL | let x: Dst<A> = *(Box::new(Dst { x: 1 }) as Box<Dst<A>>); | ^ help: use `dyn`: `dyn A` error: trait objects without an explicit `dyn` are deprecated --> $DIR/ice-3969.rs:27:57 | LL | let x: Dst<A> = *(Box::new(Dst { x: 1 }) as Box<Dst<A>>); | ^ help: use `dyn`: `dyn A` error: aborting due to 3 previous errors