=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for tw-1.3.1.gem
=> Checksum RMD160 OK for tw-1.3.1.gem
=> Checksum SHA512 OK for tw-1.3.1.gem
===> Installing dependencies for ruby27-tw-1.3.1
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-args_parser>=0.2.0: found ruby27-args_parser-0.2.0
=> Full dependency ruby27-launchy>=2.4.3: found ruby27-launchy-2.5.0
=> Full dependency ruby27-parallel>=1.12.0: found ruby27-parallel-1.20.1
=> Full dependency ruby27-rainbow>=3.0.0: found ruby27-rainbow-3.0.0
=> Full dependency ruby27-twitter>=6.2.0: found ruby27-twitter-7.0.0
=> Full dependency ruby27-oauth>=0.5.4: found ruby27-oauth-0.5.5
=> 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/net/ruby-tw