=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for celluloid-supervision-0.20.6.gem
=> Checksum SHA512 OK for celluloid-supervision-0.20.6.gem
===> Installing dependencies for ruby40-celluloid-supervision-0.20.6
=> Tool dependency mktools-[0-9]*: found mktools-20250213
=> Tool dependency ruby40>=4.0.3: NOT found
=> Verifying /nonexistent for ../../lang/ruby40
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby40
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/devel/ruby-celluloid-supervision