2020-03-27 12:12:47,227 [INFO] {45818} 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
ERROR: Command failed: 
 # /usr/bin/dnf --installroot /var/lib/mock/f33-build-128324-40433/root/ --setopt=deltarpm=False --allowerasing --disableplugin=local --disableplugin=spacewalk groupinstall srpm-build --setopt=tsflags=nocontexts
Unable to detect release version (use '--releasever' to specify release version)
No matches found for the following disable plugin patterns: local, spacewalk
Last metadata expiration check: 0:02:42 ago on Fri 27 Mar 2020 12:13:09 PM EDT.