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