Bootstrap не работает на Heroku

Я попытался следовать предложению Почему выпадающее меню (bootstrap ) не работает на хероку?

heroku запускает активы rake: предварительная компиляция

Он все еще не работает, и теперь я не могу запустить свое приложение. Вот журнал сборки:

-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.0.0
###### WARNING:
   Removing `Gemfile.lock` because it was generated on Windows.
   Bundler will do a full resolve so native gems are handled properly.
   This may result in unexpected gem versions being used in your app.
   In rare occasions Bundler may not be able to resolve your dependencies at all.
   https://devcenter.heroku.com/articles/bundler-windows-gemfile
-----> Installing dependencies using 1.6.3
   Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4
   Fetching gem metadata from https://rubygems.org/...........
   Resolving dependencies...
   Using rake 10.4.0
   Using json 1.8.1
   Using minitest 5.4.3
   Using builder 3.2.2
   Using i18n 0.6.11
   Using erubis 2.7.0
   Using thread_safe 0.3.4
   Using rack 1.5.2
   Using mime-types 1.25.1
   Using polyglot 0.3.5
   Using arel 5.0.1.20140414130214
   Using bundler 1.6.3
   Using coffee-script-source 1.8.0
   Using execjs 2.2.2
   Using thor 0.19.1
   Using hike 1.2.3
   Using multi_json 1.10.1
   Using pg 0.17.1
   Using tilt 1.4.1
   Using rails_serve_static_assets 0.0.2
   Using rails_stdout_logging 0.0.3
   Using sass 3.2.19
   Using rdoc 4.1.2
   Using tzinfo 1.2.2
   Using treetop 1.4.15
   Using rack-test 0.6.2
   Using coffee-script 2.3.0
   Using sprockets 2.12.3
   Using uglifier 2.5.3
   Using rails_12factor 0.0.3
   Using sdoc 0.4.1
   Using activesupport 4.1.4
   Using tzinfo-data 1.2014.10
   Using mail 2.5.4
   Using actionview 4.1.4
   Using activemodel 4.1.4
   Using jbuilder 2.2.5
   Using activerecord 4.1.4
   Using actionpack 4.1.4
   Using actionmailer 4.1.4
   Using railties 4.1.4
   Using coffee-rails 4.0.1
   Using jquery-rails 3.1.2
   Installing sprockets-rails 2.2.2
   Using rails 4.1.4
   Using sass-rails 4.0.5
   Your bundle is complete!
   Gems in the groups development and test were not installed.
   It was installed into ./vendor/bundle
   Bundle completed (10.20s)
   Cleaning up the bundler cache.
   Removing sprockets-rails (2.2.1)
-----> Preparing app for Rails asset pipeline
   Running: rake assets:precompile
   I, [2014-12-02T02:18:29.591951 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/glyphicons-halflings-regular-6572f83b3f4a158d107325ec2b878cbe.eot
   I, [2014-12-02T02:18:29.594241 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/glyphicons-halflings-regular-5b9db2babc068b0779bc5e895ed4386d.svg
   I, [2014-12-02T02:18:29.596441 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/glyphicons-halflings-regular-a53fcfd09adcad8b6ad046a244a815f0.ttf
   I, [2014-12-02T02:18:29.598201 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/glyphicons-halflings-regular-917c2421bd334517fcd2892224654b37.woff
   I, [2014-12-02T02:18:29.601476 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/3dDoge-414b0885d06d68d5cd7c2c126176e357.gif
   I, [2014-12-02T02:18:39.653432 #726]  INFO -- : Writing /tmp/build_98b743445a7a66fe8626ac85bbd79632/public/assets/application-9d647aa1b7daef52524576ac3d3ae9db.js
   rake aborted!
   Sass::SyntaxError: Invalid CSS after "...":3,"sources":[": expected "|", was ""less/theme.les..."
   (in /tmp/build_98b743445a7a66fe8626ac85bbd79632/app/assets/stylesheets/application.css)
   (sass):472
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:1147:in `expected'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:1085:in `expected'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:1080:in `tok!'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:785:in `attrib_name!'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:753:in `attrib'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:672:in `simple_selector_sequence'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:646:in `_selector'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:619:in `selector'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:603:in `selector_sequence'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:528:in `ruleset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:591:in `block in declaration_or_ruleset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:1123:in `call'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:1123:in `rethrow'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:592:in `declaration_or_ruleset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:554:in `block_child'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:543:in `block_contents'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:535:in `block'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:529:in `ruleset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:553:in `block_child'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:546:in `block_contents'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:82:in `stylesheet'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/scss/parser.rb:27:in `parse'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/engine.rb:342:in `_to_tree'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/engine.rb:315:in `_render'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sass-3.2.19/lib/sass/engine.rb:262:in `render'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/sass_compressor.rb:24:in `evaluate'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/tilt-1.4.1/lib/tilt/template.rb:103:in `render'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/context.rb:197:in `block in evaluate'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/context.rb:194:in `each'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/context.rb:194:in `evaluate'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/bundled_asset.rb:25:in `initialize'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/base.rb:377:in `new'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/base.rb:377:in `build_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/index.rb:94:in `block in build_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/caching.rb:58:in `cache_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/index.rb:93:in `build_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/base.rb:287:in `find_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/index.rb:61:in `find_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:211:in `block in find_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:257:in `benchmark'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:210:in `find_asset'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:119:in `block in compile'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:118:in `each'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/sprockets/manifest.rb:118:in `compile'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-rails-2.2.2/lib/sprockets/rails/task.rb:70:in `block (3 levels) in define'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-2.12.3/lib/rake/sprocketstask.rb:146:in `with_logger'
   /tmp/build_98b743445a7a66fe8626ac85bbd79632/vendor/bundle/ruby/2.0.0/gems/sprockets-rails-2.2.2/lib/sprockets/rails/task.rb:69:in `block (2 levels) in define'
   Tasks: TOP => assets:precompile
   (See full trace by running task with --trace)
 !
 !     Precompiling assets failed.
 !
 !     Push rejected, failed to compile Ruby app

Я новичок в этом, и я не уверен, что я испортил сейчас. Пожалуйста помоги!

Я также проверил свою таблицу стилей и не могу найти ошибку, которая была в моем журнале сборки:

*= require_tree .
*= require_self
*/
#map {
width: 100%;
height: 500px;
margin-bottom: 20px;
border: 1px solid #ccc;
border-radius: 4px;
}

body {
font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: 14px;
line-height: 1.42857143;
color: #333;
background-color: #fff;
background-image: url(https://www.moj.io/wp-content/uploads/mojio_spiderweb_bkg.jpg);
padding: 10px;
}

h1 {
color: #666;
font-size: 2.1em;
font-weight: 800;
margin-bottom: 20px;
padding-left: 65px;
text-transform: uppercase;
background-image: url(https://www.moj.io/wp-content/uploads/2013/09/mojioappicon.png);
background-position: center left;
background-repeat: no-repeat;
background-size: 50px;
height: 50px;
text-shadow: 0px 2px 4px #FFF;
}

result {
padding-bottom: 15px;
color: #FF8800;
font-weight: 500;
font-style: italic;
text-align: center;
}

footer {
background-image: url(https://www.moj.io/wp-content/uploads/Mojio_Logo_400x400.png);
background-position: center center;
background-repeat: no-repeat;
background-size: 50px;
height: 50px;
padding: 10px;
background-color: #FFF;
border: 1px solid #ccc;
border-radius: 6px;
}