2015-02-05 07:58:55 INFO    Starting job.
2015-02-05 07:58:55 INFO    Getting exising bzr branch from central store.
2015-02-05 07:58:55 INFO    [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2015-02-05 07:58:55 INFO    [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2015-02-05 07:58:56 INFO    68 bytes transferred
Traceback (most recent call last):
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/scripts/code-import-worker.py", line 95, in <module>
    sys.exit(script.main())
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/scripts/code-import-worker.py", line 90, in main
    return import_worker.run()
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/lib/lp/codehosting/codeimport/worker.py", line 576, in run
    return self._doImport()
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/lib/lp/codehosting/codeimport/worker.py", line 726, in _doImport
    remote_branch_tip = remote_branch.last_revision()
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/bzrplugins/git/remote.py", line 489, in last_revision
    return self.lookup_foreign_revision_id(self.head)
  File "/srv/importd.launchpad.net/production/launchpad-rev-17331/bzrplugins/git/remote.py", line 500, in head
    raise NoSuchRef(name, self.repository.user_url, refs)
bzrlib.plugins.git.errors.NoSuchRef: The ref HEAD was not found in the repository at git://people.freedesktop.org/~mlankhorst/xserver.
Import failed:
Traceback (most recent call last):
Failure: twisted.internet.error.ProcessTerminated: A process has ended with a probable error condition: process ended with exit code 1.