RailsアプリをHerokuにプッシュする際のエラー

Question

私はRuby on Railsを初めて使っています。私は "こんにちは、世界！"を作りようとしていました。 Hartlのチュートリアルに続くWebアプリケーションですが、Herokuで展開するアプリを手に入れることができませんでした。私はgitにファイルを追加し、それらもコミットしました。また、アプリケーションはローカルマシンで正常に動作します。

[jobsism10-Lenovo-G580]: ~/Downloads/Web Development/Rails Projects/hello_app$ git push heroku master 
Counting objects: 70, done. 
Delta compression using up to 4 threads. 
Compressing objects: 100% (59/59), done. 
Writing objects: 100% (70/70), 16.77 KiB | 0 bytes/s, done. 
Total 70 (delta 7), reused 0 (delta 0) 
remote: Compressing source files... done. 
remote: Building source: 
remote: 
remote: -----> Ruby app detected 
remote: -----> Compiling Ruby/Rails 
remote: -----> Using Ruby version: ruby-2.2.4 
remote: -----> Installing dependencies using bundler 1.11.2 
remote:  Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment 
remote:  Fetching gem metadata from https://rubygems.org/........... 
remote:  Fetching version metadata from https://rubygems.org/... 
remote:  Fetching dependency metadata from https://rubygems.org/.. 
remote:  Installing i18n 0.7.0 
remote:  Installing json 1.8.3 with native extensions 
remote:  Installing rake 11.1.2 
remote:  Installing minitest 5.8.4 
remote:  Installing thread_safe 0.3.5 
remote:  Installing builder 3.2.2 
remote:  Installing erubis 2.7.0 
remote:  Installing mini_portile2 2.0.0 
remote:  Installing mime-types-data 3.2016.0221 
remote:  Installing rack 1.6.4 
remote:  Installing arel 6.0.3 
remote:  Installing coffee-script-source 1.10.0 
remote:  Installing execjs 2.6.0 
remote:  Installing thor 0.19.1 
remote:  Installing concurrent-ruby 1.0.1 
remote:  Installing multi_json 1.11.2 
remote:  Using bundler 1.11.2 
remote:  Installing pg 0.17.1 with native extensions 
remote:  Installing rails_serve_static_assets 0.0.5 
remote:  Installing rails_stdout_logging 0.0.5 
remote:  Installing sass 3.4.22 
remote:  Installing tilt 1.4.1 
remote:  Installing tzinfo 1.2.2 
remote:  Installing rdoc 4.2.2 
remote:  Installing nokogiri 1.6.7.2 with native extensions 
remote:  Installing mime-types 3.0 
remote:  Installing rack-test 0.6.3 
remote:  Installing coffee-script 2.4.1 
remote:  Installing uglifier 2.5.3 
remote:  Installing sprockets 3.5.2 
remote:  Installing rails_12factor 0.0.2 
remote:  Installing activesupport 4.2.0 
remote:  Installing sdoc 0.4.0 
remote:  Installing mail 2.6.4 
remote:  Installing rails-deprecated_sanitizer 1.0.3 
remote:  Installing globalid 0.3.6 
remote:  Installing activemodel 4.2.0 
remote:  Installing jbuilder 2.2.3 
remote:  Installing activejob 4.2.0 
remote:  Installing activerecord 4.2.0 
remote:  Installing rails-dom-testing 1.0.7 
remote:  Installing loofah 2.0.3 
remote:  Installing rails-html-sanitizer 1.0.3 
remote:  Installing actionview 4.2.0 
remote:  Installing actionpack 4.2.0 
remote:  Installing sprockets-rails 3.0.4 
remote:  Installing railties 4.2.0 
remote:  Installing actionmailer 4.2.0 
remote:  Installing coffee-rails 4.1.0 
remote:  Installing jquery-rails 4.0.3 
remote:  Installing rails 4.2.0 
remote:  Installing sass-rails 5.0.1 
remote:  Installing turbolinks 2.3.0 
remote:  Bundle complete! 14 Gemfile dependencies, 53 gems now installed. 
remote:  Gems in the groups development and test were not installed. 
remote:  Bundled gems are installed into ./vendor/bundle. 
remote:  Post-install message from rdoc: 
remote:  Depending on your version of ruby, you may need to install ruby rdoc/ri data: 
remote:  <= 1.8.6 : unsupported 
remote:  = 1.8.7 : gem install rdoc-data; rdoc-data --install 
remote:  = 1.9.1 : gem install rdoc-data; rdoc-data --install 
remote:  >= 1.9.2 : nothing to do! Yay! 
remote:  Bundle completed (24.40s) 
remote:  Cleaning up the bundler cache. 
remote: sh: 2: Syntax error: Unterminated quoted string 
remote: sh: 2: Syntax error: Unterminated quoted string 
remote: ! 
remote: !  Could not detect rake tasks 
remote: !  ensure you can run `$ bundle exec rake -P` against your app 
remote: !  and using the production group of your Gemfile. 
remote: !  rake aborted! 
remote: !  Bundler::GemRequireError: There was an error while trying to load the gem 'sass-rails'. 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/config/application.rb:7:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>' 
remote: !  vendor/bundle/bin/rake:16:in `load' 
remote: !  vendor/bundle/bin/rake:16:in `<main>' 
remote: !  NameError: uninitialized constant Sass::Script 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails/helpers.rb:11:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:8:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:8:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `block (2 levels) in require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/config/application.rb:7:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `require' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `<top (required)>' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' 
remote: !  /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>' 
remote: !  vendor/bundle/bin/rake:16:in `load' 
remote: !  vendor/bundle/bin/rake:16:in `<main>' 
remote: ! 
remote: /app/tmp/buildpacks/ruby/lib/language_pack/helpers/rake_runner.rb:102:in `load_rake_tasks!': Could not detect rake tasks (LanguagePack::Helpers::RakeRunner::CannotLoadRakefileError) 
remote: ensure you can run `$ bundle exec rake -P` against your app 
remote: and using the production group of your Gemfile. 
remote: rake aborted! 
remote: Bundler::GemRequireError: There was an error while trying to load the gem 'sass-rails'. 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/config/application.rb:7:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>' 
remote: vendor/bundle/bin/rake:16:in `load' 
remote: vendor/bundle/bin/rake:16:in `<main>' 
remote: NameError: uninitialized constant Sass::Script 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails/helpers.rb:11:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:8:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:8:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `block (2 levels) in require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/config/application.rb:7:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `require' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/Rakefile:4:in `<top (required)>' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' 
remote: /tmp/build_3aeecd69679ac941d5b570bfb2ae7cdc/vendor/bundle/ruby/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>' 
remote: vendor/bundle/bin/rake:16:in `load' 
remote: vendor/bundle/bin/rake:16:in `<main>' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:746:in `rake' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails4.rb:77:in `block (2 levels) in run_assets_precompile_rake_task' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:131:in `log' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails4.rb:71:in `block in run_assets_precompile_rake_task' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:48:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:44:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails4.rb:70:in `run_assets_precompile_rake_task' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:104:in `block (2 levels) in compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:767:in `allow_git' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:98:in `block in compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:48:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:44:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:88:in `compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails2.rb:49:in `block in compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:48:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:44:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails2.rb:47:in `compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails3.rb:38:in `block in compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:48:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:44:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails3.rb:37:in `compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails4.rb:41:in `block in compile' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:48:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:44:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/rails4.rb:40:in `compile' 
remote:  from /app/tmp/buildpacks/ruby/bin/compile:16:in `block (2 levels) in <main>' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:131:in `log' 
remote:  from /app/tmp/buildpacks/ruby/bin/compile:15:in `block in <main>' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:35:in `block in trace' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block (2 levels) in instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:40:in `yield_with_block_depth' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `block in instrument' 
remote:  from /app/vendor/ruby-2.3.0/lib/ruby/2.3.0/benchmark.rb:308:in `realtime' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:16:in `instrument' 
remote:  from /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:35:in `trace' 
remote:  from /app/tmp/buildpacks/ruby/bin/compile:11:in `<main>' 
remote: 
remote: !  Push rejected, failed to compile Ruby app 
remote: 
remote: Verifying deploy... 
remote: 
remote: ! Push rejected to enigmatic-sea-29941. 
remote: 
To https://git.heroku.com/enigmatic-sea-29941.git 
! [remote rejected] master -> master (pre-receive hook declined) 
error: failed to push some refs to 'https://git.heroku.com/enigmatic-sea-29941.git' 

私はチュートリアルと一致宝石のバージョンを使用しています - ：ここで

は私がgit push heroku masterを実行したときに取得されるものです。これは私のGemfileです： -

source 'https://rubygems.org' 


# Bundle edge Rails instead: gem 'rails', github: 'rails/rails' 
gem 'rails', '4.2.0' 
# Use SCSS for stylesheets 
gem 'sass-rails', '5.0.1' 
# Use Uglifier as compressor for JavaScript assets 
gem 'uglifier', '2.5.3' 
# Use CoffeeScript for .coffee assets and views 
gem 'coffee-rails', '4.1.0' 
# See https://github.com/sstephenson/execjs#readme for more supported runtimes 
# gem 'therubyracer', platforms: :ruby 

# Use jquery as the JavaScript library 
gem 'jquery-rails', '4.0.3' 
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks 
gem 'turbolinks', '2.3.0' 
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder 
gem 'jbuilder', '2.2.3' 
# bundle exec rake doc:rails generates the API under doc/api. 
gem 'sdoc', '0.4.0', group: :doc 

# Use ActiveModel has_secure_password 
# gem 'bcrypt', '~> 3.1.7' 

# Use Unicorn as the app server 
# gem 'unicorn' 

# Use Capistrano for deployment 
# gem 'capistrano-rails', group: :development 

group :development, :test do 
    # Call 'byebug' anywhere in the code to stop execution and get a debugger console 
    gem 'byebug','3.4.0' 

    # Use sqlite3 as the database for Active Record 
    gem 'sqlite3','1.3.9' 

    # Access an IRB console on exception pages or by using <%= console %> in views 
    gem 'web-console', '2.0.0.beta3' 

    # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring 
    gem 'spring', '1.1.3' 
end 

group :production do 
gem 'pg', '0.17.1' 
gem 'rails_12factor', '0.0.2' 
end 

誰かがこれで私を助けることができますか？

Answer 1

としては、このquestion

にここで言っただけで実行します。最終的に最新のものにあなたSASS-レールの宝石を更新bundle update sass-rails

を。または、5.0.1より上のgemfileにバージョンを入力することもできます。

5.0.1 sass-railsのバージョンに問題があるようです