Build failed in Jenkins: precise-alternate-amd64_default #667

[Jenkins Notification]

See <http://10.189.74.2:8080/job/precise-alternate-amd64_default/667/>

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Started by user hggdh
[EnvInject] - Loading node environment variables.
Building remotely on wazn
[precise-alternate-amd64_default] $ /bin/bash /tmp/hudson1499934267956095796.sh
ln: failed to create symbolic link `/var/lib/ubuntu-server-iso-testing/isos/ubuntu-alternate/ubuntu': File exists
INFO:root:Checking/Downloading current build for variant alternate from http://cdimage.ubuntu.com/precise/daily
INFO:root:Downloading ISO...
INFO:root:Local file doesn't match checksum. Aborting!
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
[description-setter] Could not determine description.