[maria-buildbot-reports] buildbot failure in MariaDB on kvm-rpm-centos6-amd64

[Maria Buildbot Reports]

The Buildbot has detected a failed build on builder kvm-rpm-centos6-amd64 while building MariaDB.
Full details are available at:
 http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos6-amd64/builds/8933

Buildbot URL: http://buildbot.askmonty.org/buildbot/

Buildslave for this Build: aidi

Build Reason: Triggerable(kvm-sched-alltrees)
Build Source Stamp: [branch 10.2] 6f28f78429da8c63a47286e28fab9a613387497d
Blamelist: Monty <monty at mariadb.org>

BUILD FAILED: failed mtr

sincerely,
 -The Buildbot