MarsSeed [1] filed a deletion request for libxcb-git [2]: Abandoned VCS package from 2020; defunct since 2019.
As upstream migrated to gitlab and never again updated the old anongit. Owner seems MIA since at least a year. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libxcb-git/
