843                 let old_thread = store.set_thread(call.thread)?;  in handle_guest_call()  localVariable
869                 store.set_thread(old_thread)?;  in handle_guest_call()
1652         let old_thread = mem::replace(&mut state.current_thread, thread.into());  in set_thread()  localVariable
1653         if let Some(old_thread) = old_thread.guest() {  in set_thread()
1654             let instance = state.get_mut(old_thread.task)?.instance.instance;  in set_thread()
1665         Ok(old_thread)  in set_thread()
1763         let old_thread = self.concurrent_state_mut().current_thread;  in resume_fiber()  localVariable
1768         self.set_thread(old_thread)?;  in resume_fiber()
1772         if let Some(ot) = old_thread.guest() {  in resume_fiber()
2216                 let old_thread = store.set_thread(guest_thread)?;  in queue_call()  localVariable
2233                 store.set_thread(old_thread)?;  in queue_call()
2235                 if let Some(t) = old_thread.guest() {  in queue_call()
2255                 let old_thread = store.set_thread(guest_thread)?;  in queue_call()  localVariable
2332                 store.set_thread(old_thread)?;  in queue_call()
2439         let old_thread = state.current_guest_thread()?;  in prepare_call()  localVariable
2442             state.get_mut(old_thread.task)?.instance,  in prepare_call()
2516                     let prev = store.0.set_thread(old_thread)?;  in prepare_call()
2557             Caller::Guest { thread: old_thread },  in prepare_call()
3277                 let old_thread = store.set_thread(guest_thread)?;  in thread_new_indirect()  localVariable
3295                 store.0.set_thread(old_thread)?;  in thread_new_indirect()
3297                 if let Some(t) = old_thread.guest() {  in thread_new_indirect()