xiota [1] filed a deletion request for reicast-c1-git [2]:

Abandoned project.  Development discontinued Dec 2021.  Git project
page now has notice:  This repository has been archived by the owner
on Jul 9, 2023. It is now read-only.

[1] https://aur.archlinux.org/account/xiota/
[2] https://aur.archlinux.org/pkgbase/reicast-c1-git/