Lone_Wolf [1] filed a deletion request for mesa_mild_compatibility-git [2]:
upstream repo is gone and the package is orphaned.
[1] https://aur.archlinux.org/account/Lone_Wolf/ [2] https://aur.archlinux.org/pkgbase/mesa_mild_compatibility-git/
Request #15889 has been accepted by polyzen [1].
aur-requests@lists.archlinux.org