$ /usr/bin/createrepo_c -vd -o /var/tmp/koji/tasks/670/10670/repo -g /mnt/koji/repos/v8.1-base/1169/groups/comps.xml /var/tmp/koji/tasks/670/10670/repo
13:05:10: Version: 0.10.0

13:05:10: Signal handler setup
13:05:10: Thread pool ready
13:05:10: Dir to scan: /var/tmp/koji/tasks/670/10670/repo/.repodata
13:05:10: Package count: 0
13:05:10: No packages found - skipping metadata loading
13:05:10: Copy groupfile /mnt/koji/repos/v8.1-base/1169/groups/comps.xml -> /var/tmp/koji/tasks/670/10670/repo/.repodata/comps.xml
13:05:10: Creating .xml.gz files
13:05:10: Setting number of packages
13:05:10: Creating databases
13:05:10: Thread pool user data ready
13:05:10: Generating repomd.xml
13:05:10: Old repodata doesn't exists: Cannot rename /var/tmp/koji/tasks/670/10670/repo/repodata/ -> /var/tmp/koji/tasks/670/10670/repo/repodata.old.82624.20200108130510.197922: No such file or directory
13:05:10: Renamed /var/tmp/koji/tasks/670/10670/repo/.repodata/ -> /var/tmp/koji/tasks/670/10670/repo/repodata/
13:05:10: Memory cleanup
13:05:10: All done
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /var/tmp/koji/tasks/670/10670/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished