Build failed in Jenkins: precise-server-amd64_default #853

[Jenkins Notification]

See <http://d-jenkins.ubuntu-ci:8080/job/precise-server-amd64_default/853/>

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Started by user Parameswaran Sivatharman
Building remotely on alderamin in workspace <http://d-jenkins.ubuntu-ci:8080/job/precise-server-amd64_default/ws/>
[precise-server-amd64_default] $ /bin/bash /tmp/hudson4051363208312425183.sh
INFO:root:Checking/Downloading current build for variant server from http://cdimage.ubuntu.com/ubuntu-server/precise/daily
INFO:root:Downloading ISO...
reading seed file ubuntu-server/precise-server-amd64.iso: ********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
Read ubuntu-server/precise-server-amd64.iso. Target 8.5% complete.      
reading seed file ubuntu-server/precise-server-amd64.iso.part: ****************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
Read ubuntu-server/precise-server-amd64.iso.part. Target 100.0% complete.      
link: Operation not permitted
Unable to back up old file ubuntu-server/precise-server-amd64.iso - completed download left in ubuntu-server/precise-server-amd64.iso.part
verifying download...checksum matches OK
used 724566016 local, fetched 0
Syncing precise ubuntu-server server amd64
Traceback (most recent call last):
  File "/usr/bin/dl-ubuntu-test-iso", line 668, in <module>
    main()
  File "/usr/bin/dl-ubuntu-test-iso", line 665, in main
    iso_download(wanted, config)
  File "/usr/bin/dl-ubuntu-test-iso", line 457, in iso_download
    if not (config.use_zsync and do_zsync(config, destination, uri, isoname)):
  File "/usr/bin/dl-ubuntu-test-iso", line 362, in do_zsync
    return _do_zsync(config, zsync_local, zsync_uri, zsync_iso)
  File "/usr/bin/dl-ubuntu-test-iso", line 337, in _do_zsync
    os.chmod(target, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
OSError: [Errno 1] Operation not permitted: 'ubuntu-server/precise-server-amd64.iso'
ERROR:root:Command '['dl-ubuntu-test-iso', '--variant=server', '--arch=amd64', '--release=precise', '--build=current', '--isoroot=/var/lib/ubuntu-iso-testing/isos', '-P', '--flavor=ubuntu-server']' returned non-zero exit status 1
ERROR:root:Failed to download ISO. Aborting!
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
[description-setter] Could not determine description.