MarsSeed [1] filed a deletion request for chemkit-builder-git [2]: Broken package. Also upstream maintenance discontinued since 2014. [a]
[a]: https://github.com/kylelutz/chemkit-builder [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/chemkit-builder-git/
