cap production deploy
выводится ошибка, что это означает:/home/eldar/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/gems/capistrano-3.1.0/lib/capistrano/i18n.rb:4: warning: duplicated key at line 6 ignored: :starting
cap aborted!
NoMethodError: undefined method `on' for main:Object
/home/eldar/.rbenv/versions/2.2.0/bin/cap:23:in `load'
/home/eldar/.rbenv/versions/2.2.0/bin/cap:23:in `<main>'
Tasks: TOP => rbenv:validate
(See full trace by running task with --trace)