=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for unicorn-6.0.0.gem
=> Checksum RMD160 OK for unicorn-6.0.0.gem
=> Checksum SHA512 OK for unicorn-6.0.0.gem
===> Installing dependencies for ruby27-unicorn-6.0.0
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-kgio>=2.6<3: found ruby27-kgio-2.11.3
=> Full dependency ruby27-raindrops>=0.7<1: found ruby27-raindrops-0.19.1
=> Full dependency ruby27-base>=2.7.3: NOT found
=> Verifying /nonexistent for ../../lang/ruby27-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby27-base
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/www/ruby-unicorn