`tar` records the user and group of the files added to the archive.

[[https://reproducible.debian.net/issues/users_and_groups_in_tarball_issue.html|Known affected packages]]

= Detection =

[[attachment:raster3d_3.0-3-1.debbindiff.html|Example debbindiff output]]

= Work-around =

None yet.

= Solution =

Add `--owner=0 --group=0 --numeric-owner` to `tar` command line. [[https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=raster3d_3.0-3-1_reproducible.diff;att=1;bug=775810|Example patch]].