=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Installing for ruby25-chef-zero-15.0.0
=> Generating pre-install file lists
=> Installing gem into installation root
ERROR:  Error installing /tmp/pkgbuild/sysutils/ruby-chef-zero/work.earmv6hf/chef-zero-15.0.0/chef-zero-15.0.0.gem:
	chef-zero requires Ruby version >= 2.6. The current ruby version is 2.5.0.
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/sysutils/ruby-chef-zero
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/sysutils/ruby-chef-zero