this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: David Lamparter <firstname.lastname@example.org>
Date: Tue Feb 19 14:15:19 2019 +0100
debian: fix autopkgtest
pgrep is in procps, which is an essential package. killall is in
psmisc, which isn't.
Signed-off-by: David Lamparter <email@example.com>