1 error[E0597]: `arena` does not live long enough
2 --> $DIR/dropck-tarena-unsound-drop.rs:41:7
5 | ^^^^^^ borrowed value does not live long enough
9 | `arena` dropped here while still borrowed
10 | borrow might be used here, when `arena` is dropped and runs the `Drop` code for type `TypedArena`
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0597`.