Crash when destination volume has no free space

[Milan Bouchet-Valat]

I'm getting this trace when my destination directory is full (it's a NFS volume mounted to /mnt). duplicity is 0.6.10-0ubuntu1

Traceback (most recent call last):
  File "/usr/bin/duplicity", line 1257, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1250, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1232, in main
    incremental_backup(sig_chain)
  File "/usr/bin/duplicity", line 488, in incremental_backup
    globals.backend)
  File "/usr/bin/duplicity", line 316, in write_multivol
    (tdp, dest_filename)))
  File "/usr/lib/python2.6/dist-packages/duplicity/asyncscheduler.py", line 145, in schedule_task
    return self.__run_synchronously(fn, params)
  File "/usr/lib/python2.6/dist-packages/duplicity/asyncscheduler.py", line 171, in __run_synchronously
    ret = fn(*params)
  File "/usr/bin/duplicity", line 315, in <lambda>
    async_waiters.append(io_scheduler.schedule_task(lambda tdp, dest_filename: put(tdp, dest_filename),
  File "/usr/bin/duplicity", line 241, in put
    backend.put(tdp, dest_filename)
  File "/usr/lib/python2.6/dist-packages/duplicity/backends/localbackend.py", line 57, in put
    target_path.writefileobj(source_path.open("rb"))
  File "/usr/lib/python2.6/dist-packages/duplicity/path.py", line 595, in writefileobj
    if fin.close() or fout.close():
IOError: [Errno 5] Input/output error