Heroku error message when deploying new app to heroku. "We're sorry, but something went wrong." Second time I've gotten this message, the first time I thought it was a massive git failure on my part, now I'm just confused.

gistfile1.txt

-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.0.0
-----> Installing dependencies using Bundler version 1.3.2
       Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment
       Using rake (10.1.1)
       Using i18n (0.6.1)
       Using multi_json (1.8.4)
       Using activesupport (3.2.13)
       Using builder (3.0.4)
       Using activemodel (3.2.13)
       Using erubis (2.7.0)
       Using journey (1.0.4)
       Using rack (1.4.5)
       Using rack-cache (1.2)
       Using rack-test (0.6.2)
       Using hike (1.2.3)
       Using tilt (1.4.1)
       Using sprockets (2.2.2)
       Using actionpack (3.2.13)
       Using mime-types (1.25.1)
       Using polyglot (0.3.3)
       Using treetop (1.4.15)
       Using mail (2.5.4)
       Using actionmailer (3.2.13)
       Using arel (3.0.3)
       Using tzinfo (0.3.38)
       Using activerecord (3.2.13)
       Using activeresource (3.2.13)
       Using atomic (1.1.14)
       Using bcrypt-ruby (3.1.2)
       Using mini_portile (0.5.2)
       Using nokogiri (1.6.1)
       Using xpath (2.0.0)
       Using capybara (2.2.1)
       Using coffee-script-source (1.6.3)
       Using execjs (2.0.2)
       Using coffee-script (2.2.0)
       Using rack-ssl (1.3.3)
       Using json (1.8.1)
       Using rdoc (3.12.2)
       Using thor (0.18.1)
       Using railties (3.2.13)
       Using coffee-rails (3.2.2)
       Using orm_adapter (0.5.0)
       Using thread_safe (0.1.3)
       Using warden (1.2.3)
       Using devise (3.2.2)
       Using diff-lcs (1.2.5)
       Using jquery-rails (3.0.4)
       Using pg (0.17.1)
       Using bundler (1.3.2)
       Using rails (3.2.13)
       Using rspec-core (2.14.7)
       Using rspec-expectations (2.14.4)
       Using rspec-mocks (2.14.4)
       Using rspec-rails (2.14.1)
       Using sass (3.2.13)
       Using sass-rails (3.2.6)
       Using uglifier (2.4.0)
       Your bundle is complete! It was installed into ./vendor/bundle
       Bundle completed (0.41s)
       Cleaning up the bundler cache.
-----> Writing config/database.yml to read from DATABASE_URL
-----> Preparing app for Rails asset pipeline
       Running: rake assets:precompile
       Running: rake assets:precompile
       DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /tmp/build_abad7e90-dfa6-486c-9521-b9fcdfe1f8e0/Rakefile:7)
       DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /tmp/build_abad7e90-dfa6-486c-9521-b9fcdfe1f8e0/Rakefile:7)
       DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /tmp/build_abad7e90-dfa6-486c-9521-b9fcdfe1f8e0/Rakefile:7)
       DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /tmp/build_abad7e90-dfa6-486c-9521-b9fcdfe1f8e0/Rakefile:7)
       Asset precompilation completed (10.53s)
-----> WARNINGS:
       Injecting plugin 'rails_log_stdout'
       Injecting plugin 'rails3_serve_static_assets'
       Add 'rails_12factor' gem to your Gemfile to skip plugin injection
       You have not declared a Ruby version in your Gemfile.
       To set your Ruby version add this line to your Gemfile:
       ruby '2.0.0'
       # See https://devcenter.heroku.com/articles/ruby-versions for more information.
-----> Discovering process types
       Procfile declares types -> (none)
       Default types for Ruby  -> console, rake, web, worker

-----> Compressing... done, 31.0MB
-----> Launching... done, v6
       http://prose-factor.herokuapp.com deployed to Heroku

To git@heroku.com:prose-factor.git
   330f2ab..ff7badb  master -> master
michaels-mbp:prose_factor MTen$