The source :rubygems is deprecated because HTTP requests are insecure.
Please change your source to 'https://rubygems.org' if possible, or 'http://rubygems.org' if not.
rake aborted!
can't activate tzinfo (~> 0.3.12), already activated tzinfo-1.0.1. Make sure all dependencies are added to Gemfile.
/home/chiliproject-2.11.0/Rakefile:10:in `require'
/home/chiliproject-2.11.0/Rakefile:10
(See full trace by running task with --trace)