ouroboros_examples 0.15.5

error[E0505]: cannot move out of `instance` because it is borrowed
  --> src/fail_tests/use_after_free.rs:16:10
   |
15 |     let data_ref = instance.with_data_ref(|dref| *dref);
   |                    ------------------------------------ borrow of `instance` occurs here
16 |     drop(instance);
   |          ^^^^^^^^ move out of `instance` occurs here
17 |     println!("{:?}", data_ref);
   |                      -------- borrow later used here