bt

RBC date/delta/parser.rb
RBC cgi/session/pstore.rb
make: Nothing to be done for `all'.
install -c -m 0755 generator.bundle /Users/cremes/dev/ruby/rubinius/build/rubinius/site/x86_64-darwin16.7.0/json/ext
install: /Users/cremes/dev/ruby/rubinius/build/rubinius/site/x86_64-darwin16.7.0/json/ext: No such file or directory
make: *** [install-so] Error 71
rake aborted!
Command failed with status (2): [make install...]
/Users/cremes/dev/ruby/rubinius/rakelib/core.rake:138:in `block in build_extension'
/Users/cremes/dev/ruby/rubinius/rakelib/core.rake:120:in `chdir'
/Users/cremes/dev/ruby/rubinius/rakelib/core.rake:120:in `build_extension'
/Users/cremes/dev/ruby/rubinius/rakelib/core.rake:200:in `block (3 levels) in <top (required)>'
/Users/cremes/dev/ruby/rubinius/rakelib/core.rake:199:in `block (2 levels) in <top (required)>'
Tasks: TOP => default => spec => build => build:build => core:build => codedb:extensions
(See full trace by running task with --trace)