[maria-buildbot-reports] buildbot failure in MariaDB on kvm-rpm-centos74-amd64

[Maria Buildbot Reports]

The Buildbot has detected a failed build on builder kvm-rpm-centos74-amd64 while building MariaDB.
Full details are available at:
 http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64/builds/1203

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

Buildslave for this Build: aidi

Build Reason: Triggerable(kvm-sched-alltrees)
Build Source Stamp: [branch bb-10.3-temporal-serg] 4f8c1ae0a9952e36335c50591e2c2469e2623b25
Blamelist: Sergei Golubchik <serg at mariadb.org>

BUILD FAILED: failed mtr minor-upgrade-server

sincerely,
 -The Buildbot