There's an old dependency somewhere that's causing bundler to require Ruby 1.9.2. I haven't spent too much time looking into why, but I wanted to get an issue logged before it slipped my mind.
[:~/Source/rspec-sidekiq] master ± bundle install
Fetching gem metadata from https://rubygems.org/.........
Fetching gem metadata from https://rubygems.org/..
Resolving dependencies...
Installing timers (1.1.0)
Installing celluloid (0.14.0)
Gem::InstallError: celluloid requires Ruby version >= 1.9.2.
An error occurred while installing celluloid (0.14.0), and Bundler cannot continue.
Make sure that `gem install celluloid -v '0.14.0'` succeeds before bundling.
There's an old dependency somewhere that's causing bundler to require Ruby 1.9.2. I haven't spent too much time looking into why, but I wanted to get an issue logged before it slipped my mind.