MarsSeed [1] filed a deletion request for lua-crypto [2]: EOL since 2013. No longer used. 0 votes/pkgstats or reverse dependencies.
Dependency openssl-1.0 is long EOL and highly vulnerable. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/lua-crypto/
