Build failed in Jenkins: precise-server-i386_lamp #8

[Jenkins Notification]

See <http://10.189.74.2:8080/job/precise-server-i386_lamp/8/>

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Started due to content change in http://cdimages.ubuntu.com/ubuntu-server/daily/current/SHA256SUMS
Building remotely on wazn
[precise-server-i386_lamp] $ /bin/bash /tmp/hudson8918392621344412002.sh
INFO:root:Checking/Downloading current build for variant server from http://cdimage.ubuntu.com/ubuntu-server/daily
INFO:root:Downloading ISO...
Traceback (most recent call last):
  File "/usr/bin/dl-ubuntu-test-iso", line 38, in <module>
    default['isoroot'] = environ['HOME'] + '/iso/'
  File "/usr/lib/python2.7/UserDict.py", line 23, in __getitem__
    raise KeyError(key)
KeyError: 'HOME'
ERROR:root:Command '['dl-ubuntu-test-iso', '--variant=server', '--arch=i386', '--release=precise', '--build=current', '--isoroot=/var/lib/ubuntu-server-iso-testing/isos', '-P', '--flavor=ubuntu-server']' returned non-zero exit status 1
ERROR:root:Failed to download ISO. Aborting!
Archiving artifacts
Recording test results