$ /usr/bin/createrepo_c -vd -o /tmp/koji/tasks/3817/23817/repo -g /mnt/koji/repos/module-ruby-2.5-8030020210513102017-30b713e6-build/2298/groups/comps.xml /tmp/koji/tasks/3817/23817/repo
00:20:13: Version: 0.15.11 (Features: DeltaRPM LegacyWeakdeps )
00:20:13: Signal handler setup
00:20:13: Thread pool ready
00:20:13: Dir to scan: /tmp/koji/tasks/3817/23817/repo/.repodata
00:20:13: Package count: 0
00:20:13: Copy metadatum /mnt/koji/repos/module-ruby-2.5-8030020210513102017-30b713e6-build/2298/groups/comps.xml -> /tmp/koji/tasks/3817/23817/repo/.repodata/comps.xml
00:20:13: Creating .xml.gz files
00:20:13: Setting number of packages
00:20:13: Creating databases
00:20:13: Thread pool user data ready
00:20:13: Generating repomd.xml
00:20:13: Old repodata doesn't exists: Cannot rename /tmp/koji/tasks/3817/23817/repo/repodata/ -> /tmp/koji/tasks/3817/23817/repo/repodata.old.1427337.20210521002013.517187: No such file or directory
00:20:13: Renamed /tmp/koji/tasks/3817/23817/repo/.repodata/ -> /tmp/koji/tasks/3817/23817/repo/repodata/
00:20:13: Memory cleanup
00:20:13: All done
Directory walk started
Directory walk done - 0 packages
Using comps.xml from target repo
Temporary output repo path: /tmp/koji/tasks/3817/23817/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished