2019-08-15 11:58:30,017 [INFO] {26323} koji.build.buildroot:505 Running mock as kojibuilder INFO: mock.py version 1.4.14 starting (python version = 3.7.3)... Start: init plugins INFO: selinux enabled Finish: init plugins Start: run Start: clean chroot Finish: clean chroot Start: chroot init INFO: calling preinit hooks INFO: enabled HW Info plugin Mock Version: 1.4.14 INFO: Mock Version: 1.4.14 Start: dnf install Finish: dnf install ERROR: Command failed: # /usr/sbin/groupadd -g 135 mock