this is generic message. the package is still using dead code which might get out of duty anytime soon.
please update from udisks:0 to udisks:2.
Upstream moved to github.
Looks like opensuse avoids the dep on udisks... but I am not sure how :S
12 Jul 2015; Ian Delaney <email@example.com> clementine-1.2.2.ebuild,
reset SLOT of dep udisks fixes bug #439644
our versions are still needing udisks:0
current stable media-sound/clementine-1.3.1-r5 is now using udisks:2;