54             let send = Box::pin(caller_stream_tx.write_one("b".into()));  in run()
83             let send = Box::pin(caller_stream_tx.write_one("d".into()));  in run()
89             futures.push(Box::pin(send.map(|v| {  in run()
91             })) as Pin<Box<dyn Future<Output = _>>>);  in run()
92             futures.push(Box::pin(  in run()
104             let send = Box::pin(caller_future_tx1.write("x".into()));  in run()
139             let next = Box::pin(callee_stream_rx.read(Vec::with_capacity(1)));  in run()
162             let next = Box::pin(callee_stream_rx.next());  in run()
168             futures.push(Box::pin(next.map(|v| {  in run()
170             })) as Pin<Box<dyn Future<Output = _>>>);  in run()
171             futures.push(Box::pin(  in run()
183             let next = Box::pin(callee_future_rx1.into_future());  in run()
201         let send = Box::pin(caller_stream_tx.write_one("d".into()));  in run()
206         let next = Box::pin(callee_stream_rx.next());  in run()
218             let next = Box::pin(callee_future_rx2.into_future());  in run()