micwoj92 [1] filed a deletion request for swarm [2]: Package is missing blt dependency, this was pointed out in comments in 2021. It doesn't build with recent emacs and gcc, last upstream release was 13 years ago.
[1] https://aur.archlinux.org/account/micwoj92/ [2] https://aur.archlinux.org/pkgbase/swarm/
