23         rx2.recv().unwrap();  in works()
38     let o1 = rx3.recv().unwrap();  in works()
39     let o2 = rx3.recv().unwrap();  in works()
40     let o3 = rx3.recv().unwrap();  in works()
41     let o4 = rx3.recv().unwrap();  in works()
45     assert_eq!(rx4.recv(), Ok(1));  in works()
47     assert_eq!(rx4.recv(), Ok(3));  in works()
50     assert_eq!(rx4.recv(), Ok(2));  in works()
52     assert_eq!(rx4.recv(), Ok(4));  in works()
54     let o5 = rx3.recv().unwrap();  in works()
55     let o6 = rx3.recv().unwrap();  in works()
56     let o7 = rx3.recv().unwrap();  in works()
57     let o8 = rx3.recv().unwrap();  in works()
58     let o9 = rx3.recv().unwrap();  in works()
61     assert_eq!(rx4.recv(), Ok(5));  in works()
63     assert_eq!(rx4.recv(), Ok(8));  in works()
65     assert_eq!(rx4.recv(), Ok(9));  in works()
67     assert_eq!(rx4.recv(), Ok(7));  in works()
69     assert_eq!(rx4.recv(), Ok(6));  in works()