error[E0597]: `db` does not live long enough --> tests/fail/checkpoint_outlive_db.rs:6:25 | 4 | let _checkpoint = { | ----------- borrow later stored here 5 | let db = DB::open_default("foo").unwrap(); 6 | Checkpoint::new(&db) | ^^^ borrowed value does not live long enough 7 | }; | - `db` dropped here while still borrowed