xiota [1] filed a deletion request for xcursor-chameleon-anthracite [2]: No point keeping broken package that no one has been interested in for seven years. Package was flagged for 404 source on 2017-09-24.
[1] https://aur.archlinux.org/account/xiota/ [2] https://aur.archlinux.org/pkgbase/xcursor-chameleon-anthracite/