=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for mailfactory-1.4.0.gem
=> Checksum RMD160 OK for mailfactory-1.4.0.gem
=> Checksum SHA512 OK for mailfactory-1.4.0.gem
===> Installing dependencies for ruby24-mailfactory-1.4.0nb1
=> Tool dependency distcc-[0-9]*: found distcc-3.3
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby24-mime-types1>=1.13.1: found ruby24-mime-types1-1.25.1
=> Full dependency ruby24-base>=2.4.10: NOT found
=> Verifying /nonexistent for ../../lang/ruby24-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby24-base
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/mail/ruby-mailfactory