=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for chef-zero-15.0.4.gem
=> Checksum RMD160 OK for chef-zero-15.0.4.gem
=> Checksum SHA512 OK for chef-zero-15.0.4.gem
===> Installing dependencies for ruby27-chef-zero-15.0.4
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-ffi-yajl>=2.2<3: found ruby27-ffi-yajl-2.3.4
=> Full dependency ruby27-mixlib-log>=2.0<4: found ruby27-mixlib-log-3.0.9
=> Full dependency ruby27-uuidtools>=2.1<3: found ruby27-uuidtools-2.2.0
=> Full dependency ruby27-hashie>=2.0.5<5: found ruby27-hashie-4.1.0
=> Full dependency ruby27-rack>=2.0.6<3: found ruby27-rack-2.2.3
=> 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/sysutils/ruby-chef-zero