MarsSeed [1] filed a deletion request for libvterm-0.1 [2]: Unneeded legacy version of extra/libvterm. Nothing depends on it specifically. Conflicts with repo's package. So this build is not allowed to be kept as per AUR submission guidelines.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libvterm-0.1/