2020-06-04 06:11:13,522 [INFO] {285685} koji.build.buildroot:518 Running mock as kojibuilder
INFO: mock.py version 1.4.21 starting (python version = 3.8.1)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
INFO: Signal handler active
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.21
INFO: Mock Version: 1.4.21
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2020-06-04 06:23:40,184 [INFO] {285900} koji.build.buildroot:518 Running mock as kojibuilder
INFO: mock.py version 1.4.21 starting (python version = 3.8.1)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
INFO: Signal handler active
Start: run
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.21
INFO: Mock Version: 1.4.21
ERROR: Command failed: 
 # /usr/sbin/usermod -u 987 --non-unique mockbuild