mhdi [1] filed a deletion request for rust-gnome-git [2]: The project was renamed to gtk-rs. The development of all 5 sources was stopped in 2020. The GitHub repositories have been archived on Jun 2021.
[1] https://aur.archlinux.org/account/mhdi/ [2] https://aur.archlinux.org/pkgbase/rust-gnome-git/
