=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for red-colors-0.3.0.gem
=> Checksum SHA512 OK for red-colors-0.3.0.gem
mkdir: /tmp/pkgbuild/devel/ruby-red-colors: Permission denied
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/ruby-red-colors