encode changes to UTF-8 when logging

master/buildbot/changes/manager.py

@@ -97,10 +97,11 @@ def removeSource(self, source):
     def addChange(self, change):
         """Deliver a file change event. The event should be a Change object.
         This method will timestamp the object as it is received."""
-        log.msg("adding change, who %s, %d files, rev=%s, branch=%s, repository=%s, "
+        msg = ("adding change, who %s, %d files, rev=%s, branch=%s, repository=%s, "
                 "comments %s, category %s" % (change.who, len(change.files),
                                               change.revision, change.branch, change.repository,
                                               change.comments, change.category))
+        log.msg(msg.encode('utf-8', 'replace'))
 
         #self.pruneChanges() # use self.changeHorizon
         # for now, add these in the background, without waiting for it. TODO: