$ /usr/bin/createrepo_c -vd -o /var/tmp/koji/tasks/664/10664/repo -g /mnt/koji/repos/v8.1-base/1166/groups/comps.xml /var/tmp/koji/tasks/664/10664/repo
15:19:44: Version: 0.10.0

15:19:44: Signal handler setup
15:19:44: Thread pool ready
15:19:44: Dir to scan: /var/tmp/koji/tasks/664/10664/repo/.repodata
15:19:44: Package count: 0
15:19:44: No packages found - skipping metadata loading
15:19:44: Copy groupfile /mnt/koji/repos/v8.1-base/1166/groups/comps.xml -> /var/tmp/koji/tasks/664/10664/repo/.repodata/comps.xml
15:19:44: Creating .xml.gz files
15:19:44: Setting number of packages
15:19:44: Creating databases
15:19:44: Thread pool user data ready
15:19:44: Generating repomd.xml
15:19:44: Old repodata doesn't exists: Cannot rename /var/tmp/koji/tasks/664/10664/repo/repodata/ -> /var/tmp/koji/tasks/664/10664/repo/repodata.old.40417.20200107151944.758309: No such file or directory
15:19:44: Renamed /var/tmp/koji/tasks/664/10664/repo/.repodata/ -> /var/tmp/koji/tasks/664/10664/repo/repodata/
15:19:44: Memory cleanup
15:19:44: All done
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /var/tmp/koji/tasks/664/10664/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished