1 files changed, 12 insertions, 13 deletions

diff --git a/src/libstd/net/udp.rs b/src/libstd/net/udp.rs
index b212d4d32aa..8c7eb451580 100644
--- a/src/libstd/net/udp.rs
+++ b/src/libstd/net/udp.rs
@@ -169,7 +169,7 @@ mod tests {
     use net::test::{next_test_ip4, next_test_ip6};
     use sync::mpsc::channel;
     use sys_common::AsInner;
-    use time::Duration;
+    use time::{Instant, Duration};
     use thread;
 
     fn each_ip(f: &mut FnMut(SocketAddr, SocketAddr)) {
@@ -370,22 +370,22 @@ mod tests {
     fn test_read_timeout() {
         let addr = next_test_ip4();
 
-        let mut stream = t!(UdpSocket::bind(&addr));
+        let stream = t!(UdpSocket::bind(&addr));
         t!(stream.set_read_timeout(Some(Duration::from_millis(1000))));
 
         let mut buf = [0; 10];
-        let wait = Duration::span(|| {
-            let kind = stream.recv_from(&mut buf).err().expect("expected error").kind();
-            assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut);
-        });
-        assert!(wait > Duration::from_millis(400));
+
+        let start = Instant::now();
+        let kind = stream.recv_from(&mut buf).err().expect("expected error").kind();
+        assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut);
+        assert!(start.elapsed() > Duration::from_millis(400));
     }
 
     #[test]
     fn test_read_with_timeout() {
         let addr = next_test_ip4();
 
-        let mut stream = t!(UdpSocket::bind(&addr));
+        let stream = t!(UdpSocket::bind(&addr));
         t!(stream.set_read_timeout(Some(Duration::from_millis(1000))));
 
         t!(stream.send_to(b"hello world", &addr));
@@ -394,10 +394,9 @@ mod tests {
         t!(stream.recv_from(&mut buf));
         assert_eq!(b"hello world", &buf[..]);
 
-        let wait = Duration::span(|| {
-            let kind = stream.recv_from(&mut buf).err().expect("expected error").kind();
-            assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut);
-        });
-        assert!(wait > Duration::from_millis(400));
+        let start = Instant::now();
+        let kind = stream.recv_from(&mut buf).err().expect("expected error").kind();
+        assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut);
+        assert!(start.elapsed() > Duration::from_millis(400));
     }
 }