yochananmarqos [1] filed a deletion request for sideload-git [2]: Maintainer abandoned it within hours of submitting it. It's also not a proper PKGBUILD, it should be pulling the release tag or tarball, not pulling directly from the master branch.
[1] https://aur.archlinux.org/account/yochananmarqos/ [2] https://aur.archlinux.org/pkgbase/sideload-git/
