$ /usr/bin/createrepo_c -vd -o /var/tmp/koji/tasks/668/10668/repo -g /mnt/koji/repos/v8.1-base/1168/groups/comps.xml /var/tmp/koji/tasks/668/10668/repo
15:23:30: Version: 0.10.0

15:23:30: Signal handler setup
15:23:30: Thread pool ready
15:23:30: Dir to scan: /var/tmp/koji/tasks/668/10668/repo/.repodata
15:23:30: Package count: 0
15:23:30: No packages found - skipping metadata loading
15:23:30: Copy groupfile /mnt/koji/repos/v8.1-base/1168/groups/comps.xml -> /var/tmp/koji/tasks/668/10668/repo/.repodata/comps.xml
15:23:30: Creating .xml.gz files
15:23:30: Setting number of packages
15:23:30: Creating databases
15:23:30: Thread pool user data ready
15:23:30: Generating repomd.xml
15:23:30: Old repodata doesn't exists: Cannot rename /var/tmp/koji/tasks/668/10668/repo/repodata/ -> /var/tmp/koji/tasks/668/10668/repo/repodata.old.40581.20200107152330.915196: No such file or directory
15:23:30: Renamed /var/tmp/koji/tasks/668/10668/repo/.repodata/ -> /var/tmp/koji/tasks/668/10668/repo/repodata/
15:23:30: Memory cleanup
15:23:30: All done
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /var/tmp/koji/tasks/668/10668/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished