Hi, this happens if you run debmirror as root using rsync. rsync uses the uid:gid from the server if run as root. rsync 3.1 added the Options --usermap/--groupmap/--chown [1]. The rsync version in Jessie is 3.1.1.
So, if you really need to run debmirror as root you can add "--chown=x:y" to --rsync-options: $ sudo debmirror --rsync-options="-aIL --partial --chown=me:me" ... IMO this bug can be closed. Only happens if run as root with rsync on wheezy and older. Regards Stefan [1] https://download.samba.org/pub/rsync/src/rsync-3.1.0-NEWS