Add record of remote url to log when pushing
diff --git a/buildstream/_artifactcache/ostreecache.py b/buildstream/_artifactcache/ostreecache.py
index 707a974..7415215 100644
--- a/buildstream/_artifactcache/ostreecache.py
+++ b/buildstream/_artifactcache/ostreecache.py
@@ -358,6 +358,7 @@
 
             with element.timed_activity("Sending artifact"), \
                 element._output_file() as output_file:
+                element.info("Pushing artifact {} to {}".format(refs, remote.push_url))
                 try:
                     pushed = push_artifact(temp_repo.get_path().get_path(),
                                            remote.push_url,