=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for version_gem-1.1.1.gem
=> Checksum SHA512 OK for version_gem-1.1.1.gem
mkdir: /tmp/pkgbuild/devel/ruby-version_gem: Permission denied
*** Error code 1

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