=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for html-proofer-3.15.2.gem
=> Checksum RMD160 OK for html-proofer-3.15.2.gem
=> Checksum SHA512 OK for html-proofer-3.15.2.gem
===> Installing dependencies for ruby27-html-proofer-3.15.2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-addressable>=2.3: found ruby27-addressable-2.7.0
=> Full dependency ruby27-mercenary>=0.3: found ruby27-mercenary-0.4.0
=> Full dependency ruby27-nokogumbo>=2.0.2: found ruby27-nokogumbo-2.0.2
=> Full dependency ruby27-parallel>=1.3: found ruby27-parallel-1.20.1
=> Full dependency ruby27-rainbow>=3.0: found ruby27-rainbow-3.0.0
=> Full dependency ruby27-typhoeus>=1.3.1: found ruby27-typhoeus-1.3.1
=> Full dependency ruby27-yell>=1.3.1: found ruby27-yell-2.2.2
=> 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-html-proofer