diff --git a/Cargo.lock b/Cargo.lock
index 181b5ed..64ef8d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,3 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "MacTypes-sys"
 version = "1.3.0"
diff --git a/src/cmds/config/cameras.rs b/src/cmds/config/cameras.rs
index 12bddc1..78c9f24 100644
--- a/src/cmds/config/cameras.rs
+++ b/src/cmds/config/cameras.rs
@@ -102,7 +102,10 @@ fn press_edit(siv: &mut Cursive, db: &Arc<db::Database>, id: Option<i32>) {
 }
 
 fn press_test_inner(url: &str) -> Result<String, Error> {
-    let stream = stream::FFMPEG.open(stream::Source::Rtsp(url))?;
+    let stream = stream::FFMPEG.open(stream::Source::Rtsp {
+        url,
+        redacted_url: url,
+    })?;
     let extra_data = stream.get_extra_data()?;
     Ok(format!("{}x{} video stream", extra_data.width, extra_data.height))
 }
diff --git a/src/mp4.rs b/src/mp4.rs
index 0370559..698f21a 100644
--- a/src/mp4.rs
+++ b/src/mp4.rs
@@ -1812,7 +1812,7 @@ mod tests {
                          pkt.is_key()).unwrap();
             end_pts = Some(pts + pkt.duration() as i64);
         }
-        output.close(end_pts);
+        output.close(end_pts).unwrap();
         db.syncer_channel.flush();
     }
 
diff --git a/src/stream.rs b/src/stream.rs
index 41d4c47..2e2a9b1 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -45,10 +45,15 @@ lazy_static! {
 }
 
 pub enum Source<'a> {
+    /// A filename, for testing.
     #[cfg(test)]
-    File(&'a str),  // filename, for testing.
+    File(&'a str),
 
-    Rtsp(&'a str),  // url, for production use.
+    /// An RTSP stream, for production use.
+    Rtsp {
+        url: &'a str,
+        redacted_url: &'a str
+    },
 }
 
 pub trait Opener<S : Stream> : Sync {
@@ -98,7 +103,7 @@ impl Opener<FfmpegStream> for Ffmpeg {
                 }
                 (i, false)
             }
-            Source::Rtsp(url) => {
+            Source::Rtsp{url, redacted_url} => {
                 let mut open_options = ffmpeg::Dictionary::new();
                 open_options.set(c_str!("rtsp_transport"), c_str!("tcp")).unwrap();
                 open_options.set(c_str!("user-agent"), c_str!("moonfire-nvr")).unwrap();
@@ -112,7 +117,7 @@ impl Opener<FfmpegStream> for Ffmpeg {
                 let i = InputFormatContext::open(&CString::new(url).unwrap(), &mut open_options)?;
                 if !open_options.empty() {
                     warn!("While opening URL {}, some options were not understood: {}",
-                          url, open_options);
+                          redacted_url, open_options);
                 }
                 (i, true)
             },
diff --git a/src/streamer.rs b/src/streamer.rs
index e6e08a0..f853969 100644
--- a/src/streamer.rs
+++ b/src/streamer.rs
@@ -103,7 +103,10 @@ impl<'a, C, S> Streamer<'a, C, S> where C: 'a + Clocks + Clone, S: 'a + stream::
 
         let mut stream = {
             let _t = TimerGuard::new(&clocks, || format!("opening {}", self.redacted_url));
-            self.opener.open(stream::Source::Rtsp(&self.url))?
+            self.opener.open(stream::Source::Rtsp {
+                url: &self.url,
+                redacted_url: &self.redacted_url,
+            })?
         };
         let realtime_offset = self.db.clocks().realtime() - clocks.monotonic();
         // TODO: verify width/height.
@@ -275,7 +278,7 @@ mod tests {
     impl<'a> stream::Opener<ProxyingStream<'a>> for MockOpener<'a> {
         fn open(&self, src: stream::Source) -> Result<ProxyingStream<'a>, Error> {
             match src {
-                stream::Source::Rtsp(url) => assert_eq!(url, &self.expected_url),
+                stream::Source::Rtsp{url, ..} => assert_eq!(url, &self.expected_url),
                 stream::Source::File(_) => panic!("expected rtsp url"),
             };
             let mut l = self.streams.lock();