error[E0597]: `*m` does not live long enough --> $DIR/dropck-object-cycle.rs:27:31 | LL | assert_eq!(object_invoke1(&*m), (4,5)); | ^^^ borrowed value does not live long enough ... LL | } | - | | | `*m` dropped here while still borrowed | borrow might be used here, when `m` is dropped and runs the destructor for type `Box>` error: aborting due to previous error For more information about this error, try `rustc --explain E0597`.