Minor fixes

src/traft/network.rs

@@ -64,12 +64,12 @@ pub struct PoolWorker {
 impl PoolWorker {
     pub fn run(id: RaftId, storage: PeerStorage, opts: WorkerOptions) -> PoolWorker {
         let cond = Rc::new(fiber::Cond::new());
-        let inbox = Mailbox::with_cond(cond.clone());
+        let inbox = Mailbox::with_cond(&cond);
         let stop_flag = Rc::new(Cell::default());
         let handler_name = opts.handler_name;
         let fiber = fiber::defer_proc({
             let cond = cond.clone();
-            let inbox = inbox.clone();
+            let inbox = Mailbox::share(&inbox);
             let stop_flag = stop_flag.clone();
             move || Self::worker_loop(id, storage, cond, inbox, stop_flag, &opts)
         });