Fix benchmarks too

This change will make these benchmarks way slower, because its now
cloning the transaction vector each iteration instead of the ref
counts. We need to rethink these.

src/streamer.rs

@@ -660,9 +660,8 @@ mod bench {
             let timer = Duration::new(1, 0);
             match r.recv_timeout(timer) {
                 Ok(msgs) => {
-                    let msgs_ = msgs.clone();
                     *rvs.lock().unwrap() += msgs.read().unwrap().packets.len();
-                    recycler.recycle(msgs_);
+                    recycler.recycle(msgs);
                 }
                 _ => (),
             }