2010-02-21 20:09:56 INFO    61 bytes transferred | 
2010-02-21 20:09:56 INFO    Counting objects: 8227, done. 0
2010-02-21 20:09:57 INFO    finding revisions to fetch:generating index 0/8227
2010-02-21 20:09:59 INFO    finding revisions to fetch 1/5468
2010-02-21 20:11:00 INFO    fetching revisions 63/124
2010-02-21 20:11:42 INFO    
Traceback (most recent call last):
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/scripts/code-import-worker.py", line 66, in <module>
    script.main()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/scripts/code-import-worker.py", line 61, in main
    import_worker.run()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/lib/lp/codehosting/codeimport/worker.py", line 393, in run
    self._doImport()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/lib/lp/codehosting/codeimport/worker.py", line 506, in _doImport
    bazaar_tree.branch.pull(foreign_branch, overwrite=True)
  File "<string>", line 4, in pull_write_locked
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/eggs/bzr-2.1.0b4-py2.5-linux-i686.egg/bzrlib/branch.py", line 962, in pull
    possible_transports=possible_transports, *args, **kwargs)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/branch.py", line 421, in pull
    graph=graph)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/branch.py", line 384, in update_revisions
    interrepo.fetch_objects(determine_wants, self.source.mapping)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 513, in fetch_objects
    objects_iter, store, recorded_wants, pb)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 403, in import_git_objects
    parent_invs_cache)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 316, in import_git_commit
    allow_submodules=getattr(repo._format, "supports_tree_reference", False))
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 256, in import_git_tree
    allow_submodules=allow_submodules)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 256, in import_git_tree
    allow_submodules=allow_submodules)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8939/optionalbzrplugins/git/fetch.py", line 262, in import_git_tree
    raise SubmodulesRequireSubtrees()
bzrlib.plugins.git.fetch.SubmodulesRequireSubtrees: The repository you are fetching from contains submodules. To continue, upgrade your Bazaar repository to a format that supports nested trees, such as 'development-subtree'.
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.