This has been resolved in rubygems & bundler. Using Bundler 1.16.2 (that's the current release as of today, released in May'18) I don't see the error anymore. The original issue in rubygems has been closed too & I think it's safe to close this bug report.
Jacob thanks for your time looking into this! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749226 Title: rubygems 2.7.5 fails to execute "bundle" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rubygems-integration/+bug/1749226/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs