error[E0597]: `arena` does not live long enough --> $DIR/dropck-tarena-cycle-checked.rs:116:8 | LL | f(&arena); | ^^^^^ borrowed value does not live long enough LL | } | - `arena` dropped here while still borrowed | = note: values in a scope are dropped in the opposite order they are created error: aborting due to previous error For more information about this error, try `rustc --explain E0597`.