=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for ffi-rzmq-2.0.7.gem
=> Checksum RMD160 OK for ffi-rzmq-2.0.7.gem
=> Checksum SHA512 OK for ffi-rzmq-2.0.7.gem
===> Installing dependencies for ruby30-ffi-rzmq-2.0.7
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby30-ffi-rzmq-core>=1.0.7: found ruby30-ffi-rzmq-core-1.0.7
=> Full dependency ruby30-base>=3.0.1: NOT found
=> Verifying /nonexistent for ../../lang/ruby30-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby30-base
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/net/ruby-ffi-rzmq