MarsSeed [1] filed a deletion request for perl-backpan-index [2]: EOL since 2012. No longer has reverse dependencies.
Tests sometimes fail, see e.g. [a] [a]: https://github.com/book/BackPAN-Index/pull/47 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/perl-backpan-index/
