$ /usr/bin/createrepo_c -vd -i /var/tmp/koji/tasks/7910/7910/repo/pkglist /var/tmp/koji/tasks/7910/7910/repo
13:15:06: Version: 0.10.0

13:15:06: Signal handler setup
13:15:06: Thread pool ready
Warning: Used pkglist doesn't contain any useful items
13:15:06: Package count: 0
13:15:06: No packages found - skipping metadata loading
13:15:06: Creating .xml.gz files
13:15:06: Setting number of packages
13:15:06: Creating databases
13:15:06: Thread pool user data ready
13:15:06: Generating repomd.xml
13:15:07: Old repodata doesn't exists: Cannot rename /var/tmp/koji/tasks/7910/7910/repo/repodata/ -> /var/tmp/koji/tasks/7910/7910/repo/repodata.old.5929.20190507131507.74277: No such file or directory
13:15:07: Renamed /var/tmp/koji/tasks/7910/7910/repo/.repodata/ -> /var/tmp/koji/tasks/7910/7910/repo/repodata/
13:15:07: Memory cleanup
13:15:07: All done
Directory walk done - 0 packages
Temporary output repo path: /var/tmp/koji/tasks/7910/7910/repo/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished