MarsSeed [1] filed a deletion request for dhall-yaml-bin [2]: Orphaned package. I'd suggest to delete it as Arch now carries this: https://archlinux.org/packages/community/x86_64/dhall-yaml/
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/dhall-yaml-bin/
