MarsSeed [1] filed a deletion request for rust-analyzer-vitalyr-git [2]: There is no "vitalyr" fork of rust-analyzer. The package is just a duplicate of AUR/rust-analyzer-git. [a]
[a]: https://aur.archlinux.org/pkgbase/rust-analyzer-git [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/rust-analyzer-vitalyr-git/