error[E0505]: cannot move out of `y` because it is borrowed --> $DIR/send-is-not-static-std-sync.rs:13:10 | LL | *lock.lock().unwrap() = &*y; | --- borrow of `*y` occurs here LL | drop(y); | ^ move out of `y` occurs here ... LL | *lock.lock().unwrap() = &z; | ----------- borrow later used here error[E0597]: `z` does not live long enough --> $DIR/send-is-not-static-std-sync.rs:16:33 | LL | *lock.lock().unwrap() = &z; | ^^ borrowed value does not live long enough LL | } | - `z` dropped here while still borrowed LL | LL | lock.use_ref(); // (Mutex is #[may_dangle] so its dtor does not use `z` => needs explicit use) | -------------- borrow later used here error[E0505]: cannot move out of `y` because it is borrowed --> $DIR/send-is-not-static-std-sync.rs:27:10 | LL | *lock.write().unwrap() = &*y; | --- borrow of `*y` occurs here LL | drop(y); | ^ move out of `y` occurs here ... LL | *lock.write().unwrap() = &z; | ------------ borrow later used here error[E0597]: `z` does not live long enough --> $DIR/send-is-not-static-std-sync.rs:30:34 | LL | *lock.write().unwrap() = &z; | ^^ borrowed value does not live long enough LL | } | - `z` dropped here while still borrowed LL | LL | lock.use_ref(); // (RwLock is #[may_dangle] so its dtor does not use `z` => needs explicit use) | -------------- borrow later used here error[E0505]: cannot move out of `y` because it is borrowed --> $DIR/send-is-not-static-std-sync.rs:43:10 | LL | tx.send(&*y); | --- borrow of `*y` occurs here LL | drop(y); | ^ move out of `y` occurs here ... LL | tx.send(&z).unwrap(); | ----------- borrow later used here error[E0597]: `z` does not live long enough --> $DIR/send-is-not-static-std-sync.rs:46:17 | LL | tx.send(&z).unwrap(); | ^^ borrowed value does not live long enough LL | } | - `z` dropped here while still borrowed ... LL | } | - borrow might be used here, when `tx` is dropped and runs the `Drop` code for type `Sender` | = note: values in a scope are dropped in the opposite order they are defined error: aborting due to 6 previous errors Some errors have detailed explanations: E0505, E0597. For more information about an error, try `rustc --explain E0505`.