micwoj92 [1] filed an orphan request for freeminer [2]:
Build fails and maintainer was notified of it previously, there are commits on github repo that fixed it.
[1] https://aur.archlinux.org/account/micwoj92/ [2] https://aur.archlinux.org/pkgbase/freeminer/
Request #26134 has been accepted by ainola [1].
aur-requests@lists.archlinux.org