Build failed in Jenkins: system-mk_mirrors_index-yum #30278

See <http://jenkins.ovirt.org/job/system-mk_mirrors_index-yum/30278/display/redirect>

------------------------------------------
Started by upstream project "system-sync_mirrors-centos-base-el7-x86_64" build number 1533
originally caused by:
 Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on mirrors.phx.ovirt.org (mirrors) in workspace <http://jenkins.ovirt.org/job/system-mk_mirrors_index-yum/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url http://gerrit.ovirt.org/jenkins.git # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
Pruning obsolete local branches
Fetching upstream changes from http://gerrit.ovirt.org/jenkins.git
 > git --version # timeout=10
 > git fetch --tags --progress http://gerrit.ovirt.org/jenkins.git +refs/heads/*:refs/remotes/origin/* --prune
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision 590375b63082c509575860789958514fd9a3392c (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 590375b63082c509575860789958514fd9a3392c
Commit message: "Don't run check-patch-s390x.sh on merge"
 > git rev-list --no-walk 590375b63082c509575860789958514fd9a3392c # timeout=10
[system-mk_mirrors_index-yum] $ /bin/bash -xe /tmp/jenkins2989356806064997808.sh
+ jenkins/scripts/mirror_mgr.sh write_latest_lists yum
Acquired lock: latest_lists_yum
Writing latest index files for yum repos
mv: cannot create regular file ‘/var/www/html/repos/yum/all_latest.json’: No space left on device
mv: cannot create regular file ‘/var/www/html/repos/yum/all_latest.yaml’: No space left on device
mv: cannot create regular file ‘/var/www/html/repos/yum/all_latest.py’: No space left on device
Released lock: latest_lists_yum
Build step 'Execute shell' marked build as failure