=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for ruby2ruby-2.4.4.gem
=> Checksum RMD160 OK for ruby2ruby-2.4.4.gem
=> Checksum SHA512 OK for ruby2ruby-2.4.4.gem
===> Installing dependencies for ruby25-ruby2ruby-2.4.4
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby25-sexp-processor>=4.6<5: found ruby25-sexp-processor-4.15.2
=> Full dependency ruby25-parser>=3.1<4: found ruby25-parser-3.15.1
=> 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/devel/ruby2ruby