2021-09-02 22:50:04,170 [INFO] {580325} koji.build.buildroot:541 Running mock as kojibuilder
INFO: mock.py version 2.8 starting (python version = 3.6.8, NVR = mock-2.8-1.lns8)...
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
Start(bootstrap): chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 2.8
INFO: Mock Version: 2.8
Start(bootstrap): dnf install
Finish(bootstrap): dnf install
Finish(bootstrap): chroot init
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 2.8
INFO: Mock Version: 2.8
Start: dnf install
ERROR: Command failed: 
 # /usr/bin/systemd-nspawn -q -M bad63dd83a244552a17f53024b88c570 -D /var/lib/mock/dist-an8-loongarch64-build-35021-16433-bootstrap/root -a --capability=cap_ipc_lock --bind=/tmp/mock-resolv.a19jprlj:/etc/resolv.conf --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/var/lib/mock/dist-an8-loongarch64-build-35021-16433/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 --installroot /var/lib/mock/dist-an8-loongarch64-build-35021-16433/root/ --setopt=deltarpm=False --allowerasing --disableplugin=local --disableplugin=spacewalk groupinstall build
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: 0:00:02 ago on Thu Sep  2 22:53:07 2021.
No match for group package "util-linux-ng"
No match for group package "buildsys-macros"
Error: 
 Problem: package meson-0.55.3-3.an8.noarch requires ninja-build, but none of the providers can be installed
  - conflicting requests
  - nothing provides emacs-filesystem needed by ninja-build-1.8.2-1.an8.loongarch64
(try to add '--skip-broken' to skip uninstallable packages)