17     sleepers: Mutex<Vec<usize>>,  field
36             sleepers: Mutex::new(Vec::with_capacity(num_workers)),  in new()
58         let mut sleepers = self.sleepers.lock().unwrap();  in worker_to_notify()  localVariable
70         let ret = sleepers.pop();  in worker_to_notify()
80         let mut sleepers = self.sleepers.lock().unwrap();  in transition_worker_to_parked()  localVariable
86         sleepers.push(worker);  in transition_worker_to_parked()
115         let mut sleepers = self.sleepers.lock().unwrap();  in unpark_worker_by_id()  localVariable
117         for index in 0..sleepers.len() {  in unpark_worker_by_id()
118             if sleepers[index] == worker_id {  in unpark_worker_by_id()
119                 sleepers.swap_remove(index);  in unpark_worker_by_id()
131         let sleepers = self.sleepers.lock().unwrap();  in is_parked()  localVariable
132         sleepers.contains(&worker_id)  in is_parked()