Synchronize connection-owned stream access

client.go

@@ -47,7 +47,7 @@ func (b *Barnard) exitWithError(err error) {
 
 func (b *Barnard) connect(reconnect bool) bool {
 	var err error
-	_, err = gumble.DialWithDialer(new(net.Dialer), b.Config, &b.TLSConfig)
+	_, err = gumble.DialWithDialer(&net.Dialer{Timeout: 15 * time.Second}, b.Config, &b.TLSConfig)
 	if err != nil {
 		if reconnect {
 			b.Log(err.Error())
@@ -295,11 +295,11 @@ func (b *Barnard) OnUserChange(e *gumble.UserChangeEvent) {
 			if b.isChannelMuted(e.User.Channel.ID) {
 				// Only mute if not already muted
 				if !e.User.LocallyMuted() {
-					b.UserConfig.ToggleMute(e.User)
-				}
-				if b.Stream != nil {
-					b.Stream.UpdateUserGain(e.User)
+					if err := b.UserConfig.ToggleMute(e.User); err != nil {
+						b.AddOutputLine("Mute: could not save setting: " + err.Error())
+					}
 				}
+				b.updateUserGain(e.User)
 			}
 		}
 	}