2025-04-07 17:27:17,897 [INFO] {139598} koji.build.buildroot:564 Running mock as kojibuilder
INFO: mock.py version 5.5 starting (python version = 3.11.6, NVR = mock-5.5-2.an23), args: /usr/libexec/mock/mock -r koji/dist-an23.3-build-428094-73018 --init
Start(bootstrap): init plugins
INFO: selinux disabled
Finish(bootstrap): init plugins
Start: init plugins
INFO: selinux disabled
Finish: init plugins
INFO: Signal handler active
Start: run
Start: clean chroot
Finish: clean chroot
Mock Version: 5.5
INFO: Mock Version: 5.5
Start(bootstrap): chroot init
INFO: calling preinit hooks
INFO: Guessed host environment type: unknown
WARNING: Can't work with Podman, falling back to bootstrap installation: '/usr/bin/podman' not installed
INFO: Package manager dnf detected and used (fallback)
Start(bootstrap): installing dnf tooling
Finish(bootstrap): installing dnf tooling
Finish(bootstrap): chroot init
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
INFO: Package manager dnf detected and used (direct choice)
Start: installing minimal buildroot with dnf
ERROR: Command failed: 
 # /usr/bin/systemd-nspawn -q -M 29b7d6895db64bb2a30caed4a900dfe0 -D /var/lib/mock/dist-an23.3-build-428094-73018-bootstrap/root -a --capability=cap_ipc_lock --bind=/tmp/mock-resolv.wkxojtmf:/etc/resolv.conf --console=pipe --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/var/lib/mock/dist-an23.3-build-428094-73018/root/installation-homedir --setenv=HOSTNAME=mock --setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin '--setenv=PROMPT_COMMAND=printf "\033]0;<mock-chroot>\007"' '--setenv=PS1=<mock-chroot> \s-\v\$ ' --setenv=LANG=C.UTF-8 --setenv=LC_MESSAGES=C.UTF-8 --resolv-conf=off /usr/bin/dnf-3 --installroot /var/lib/mock/dist-an23.3-build-428094-73018/root/ --setopt=deltarpm=False --setopt=allow_vendor_change=yes --allowerasing --disableplugin=local --disableplugin=spacewalk --disableplugin=versionlock groupinstall build
Failed to determine whether the unified cgroups hierarchy is used: No medium found