$ /usr/bin/createrepo_c -vd -i /var/tmp/koji/tasks/352/20352/repo/pkglist /var/tmp/koji/tasks/352/20352/repo
12:31:08: Version: 0.10.0

12:31:08: Signal handler setup
12:31:08: Thread pool ready
Warning: Used pkglist doesn't contain any useful items
12:31:08: Package count: 0
12:31:08: No packages found - skipping metadata loading
12:31:08: Creating .xml.gz files
12:31:08: Setting number of packages
12:31:08: Creating databases
12:31:08: Thread pool user data ready
12:31:08: Generating repomd.xml
12:31:08: Old repodata doesn't exists: Cannot rename /var/tmp/koji/tasks/352/20352/repo/repodata/ -> /var/tmp/koji/tasks/352/20352/repo/repodata.old.37230.20211019123108.910956: No such file or directory
12:31:08: Renamed /var/tmp/koji/tasks/352/20352/repo/.repodata/ -> /var/tmp/koji/tasks/352/20352/repo/repodata/
12:31:08: Memory cleanup
12:31:08: All done
Directory walk done - 0 packages
Temporary output repo path: /var/tmp/koji/tasks/352/20352/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished