=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for sassc-rails-2.1.2.gem
=> Checksum RMD160 OK for sassc-rails-2.1.2.gem
=> Checksum SHA512 OK for sassc-rails-2.1.2.gem
===> Installing dependencies for ruby25-sassc-rails-2.1.2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby25-sassc>=2.0: found ruby25-sassc-2.4.0
=> Full dependency ruby25-tilt>=0: found ruby25-tilt-2.0.10
=> Full dependency ruby25-sprockets-rails>=0: found ruby25-sprockets-rails-3.2.2
=> Full dependency ruby25-railties52>=5.2.4.5<5.3: found ruby25-railties52-5.2.4.5
=> Full dependency ruby25-base>=2.5.9: NOT found
=> Verifying /nonexistent for ../../lang/ruby25-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby25-base
*** Error code 2

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