root@KM301:~/catarse# rake db:create db:migrate db:seed
rake aborted!
Bundler::RubyVersionMismatch: Your Ruby version is 2.2.1, but your Gemfile specified 2.1.0
/root/catarse/config/boot.rb:7:in `<top (required)>'
/root/catarse/config/application.rb:1:in `<top (required)>'
/root/catarse/Rakefile:4:in `<top (required)>'
(See full trace by running task with --trace)