gistfile1.txt

Fetching repository, done.
Counting objects: 37, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (26/26), done.
Writing objects: 100% (27/27), 2.60 KiB | 0 bytes/s, done.
Total 27 (delta 20), reused 0 (delta 0)

-----> Fetching custom git buildpack... done
-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.1.0
-----> Installing dependencies using 
       Ruby version change detected. Clearing bundler cache.
       Old: ruby 2.0.0p353 (2013-11-22 revision 43784) [x86_64-linux]
       New: ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-linux]
       Fixing nokogiri install. Clearing bundler cache.
       See https://github.com/sparklemotion/nokogiri/issues/923.
       Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment
       env: bundle: No such file or directory
       Bundler Output: env: bundle: No such file or directory
 !
 !     Failed to install gems via Bundler.
 !

 !     Push rejected, failed to compile Ruby app