=> Bootstrap dependency digest>=20010302: found digest-20180917
===> Installing for ruby23-ohai-14.5.4
=> Generating pre-install file lists
=> Installing gem into installation root
ERROR:  Error installing /tmp/pkgbuild/misc/ruby-ohai/work/ohai-14.5.4/ohai-14.5.4.gem:
	ohai requires Ruby version >= 2.4.
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/misc/ruby-ohai
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/misc/ruby-ohai