FabioLolix [1] filed a deletion request for cloudruby-git [2]: Cleanup of cloudruby-git (last commit on April 2016) and its dependencies, pkgbuild last update on 2015-11, ruby deps are old specific versions no needed by other pkgbuilds.
[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/cloudruby-git/
