gistfile1.txt

 ✗ docker run -it --rm e3f3c26820e9           
root@11136adf566a:/# source /usr/local/rvm/scripts/rvm && \
>     cd /usr/src/quirell && \
>     gem install bundler && bundler install
RVM used your Gemfile for selecting Ruby, it is all fine - Heroku does that too,
you can ignore these warnings with 'rvm rvmrc warning ignore /usr/src/quirell/Gemfile'.
To ignore the warning for all files run 'rvm rvmrc warning ignore allGemfiles'.

Fetching: bundler-1.10.6.gem (100%)
Successfully installed bundler-1.10.6
Parsing documentation for bundler-1.10.6
Installing ri documentation for bundler-1.10.6
Done installing documentation for bundler after 4 seconds
1 gem installed
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and installing your bundle as root will break this application for all non-root users on this machine.
Could not find gem 'sass (~> 3.4.18) ruby' in any of the gem sources listed in your Gemfile or available on this machine.