Build failed in Jenkins: precise-alternate-amd64_default #808

[Jenkins Notification]

See <http://10.189.74.2:8080/job/precise-alternate-amd64_default/808/>

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Started due to content change in http://cdimage.ubuntu.com/precise/daily/current/SHA256SUMS
[EnvInject] - Loading node environment variables.
Building remotely on alderamin
[precise-alternate-amd64_default] $ /bin/bash /tmp/hudson5152256203637826815.sh
ln: failed to create symbolic link `/var/lib/ubuntu-server-iso-testing/isos/ubuntu-alternate/ubuntu': File exists
Traceback (most recent call last):
  File "/usr/bin/download-latest-test-iso", line 35, in <module>
    DEFAULT_RELEASE = distro_info.UbuntuDistroInfo().devel()
  File "/usr/lib/python2.7/dist-packages/distro_info.py", line 92, in devel
    raise DistroDataOutdated()
distro_info.DistroDataOutdated: Distribution data outdated.
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
[description-setter] Could not determine description.