Heroku Build失敗 - 「安裝node-v6.10.0-linux-x64 --->檢測rake任務sh：2：語法錯誤：未終止的帶引號的字符串」

問題：我的應用在本地工作，但Heroku無法建立它Heroku Build失敗 - 「安裝node-v6.10.0-linux-x64 --->檢測rake任務sh：2：語法錯誤：未終止的帶引號的字符串」
我的應用程序（舊版本）已經在生產，工作正常
更新我的寶石後的Heroku不能建立它
LOGFILE：
> -----> Ruby app detected 
> -----> Compiling Ruby/Rails 
> -----> Using Ruby version: ruby-2.4.0 
> -----> Installing dependencies using bundler 1.13.7 
>  Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment 
>  Warning: the running version of Bundler (1.13.7) is older than the version that created the lockfile (1.15.1). We suggest you upgrade 
> to the latest version of Bundler by running `gem install bundler`. 
> [...] 
>  Using two_factor_authentication 2.0.0 from https://github.com/Houdini/two_factor_authentication.git (at 
> [email protected]) 
>  Bundle complete! 95 Gemfile dependencies, 166 gems now installed. 
>  Gems in the groups development and test were not installed. 
>  Bundled gems are installed into ./vendor/bundle. 
>  Bundle completed (8.87s) 
>  Cleaning up the bundler cache. 
>  Warning: the running version of Bundler (1.13.7) is older than the version that created the lockfile (1.15.1). We suggest you upgrade 
> to the latest version of Bundler by running `gem install bundler`. 
>  Removing rake (11.3.0) 
>  Removing sanitize (4.4.0) 
>  Removing puma (3.9.0) 
> -----> Installing node-v6.10.0-linux-x64 
> -----> Detecting rake tasks sh: 2: Syntax error: Unterminated quoted string sh: 2: Syntax error: Unterminated quoted string ! !  Could 
> not detect rake tasks !  ensure you can run `$ bundle exec rake 
> -P` against your app !  and using the production group of your Gemfile. !  rake aborted! !  LoadError: 
> /tmp/build_d57fe8071d52b0e09ad9d1d1102c6aeb/oanstein-oanstein-9fd67121d7068e6188756c5927264e99f0a90d83/vendor/bundle/ruby/2.4.0/gems/nokogiri-1.7.2/ext/nokogiri/nokogiri.so: 
> cannot open shared object file: No such file or directory - 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/nokogumbo-1.4.12/lib/nokogumboc.so 
> !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `block in require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:258:in `load_dependency' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/nokogumbo-1.4.12/lib/nokogumbo.rb:2:in 
> `<top (required)>' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `block in require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:258:in `load_dependency' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/sanitize-4.5.0/lib/sanitize.rb:3:in 
> `<top (required)>' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in 
> `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in 
> `block (2 levels) in require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in 
> `each' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in 
> `block in require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in 
> `each' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in 
> `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler.rb:106:in 
> `require' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/config/application.rb:8:in 
> `<top (required)>' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/Rakefile:4:in 
> `require_relative' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/Rakefile:4:in 
> `<top (required)>' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/rake_module.rb:28:in 
> `load' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/rake_module.rb:28:in 
> `load_rakefile' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:687:in 
> `raw_load_rakefile' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:96:in 
> `block in load_rakefile' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in 
> `standard_exception_handling' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:95:in 
> `load_rakefile' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:79:in 
> `block in run' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in 
> `standard_exception_handling' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:77:in 
> `run' !  
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in 
> `<top (required)>' !  vendor/bundle/bin/rake:17:in `load' !  
> vendor/bundle/bin/rake:17:in `<main>' ! 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/helpers/rake_runner.rb:106:in 
> `load_rake_tasks!': Could not detect rake tasks 
> (LanguagePack::Helpers::RakeRunner::CannotLoadRakefileError) ensure 
> you can run `$ bundle exec rake -P` against your app and using the 
> production group of your Gemfile. rake aborted! LoadError: 
> /tmp/build_d57fe8071d52b0e09ad9d1d1102c6aeb/oanstein-oanstein-9fd67121d7068e6188756c5927264e99f0a90d83/vendor/bundle/ruby/2.4.0/gems/nokogiri-1.7.2/ext/nokogiri/nokogiri.so: 
> cannot open shared object file: No such file or directory - 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/nokogumbo-1.4.12/lib/nokogumboc.so 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `block in require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:258:in `load_dependency' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/nokogumbo-1.4.12/lib/nokogumbo.rb:2:in 
> `<top (required)>' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `block in require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:258:in `load_dependency' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/sanitize-4.5.0/lib/sanitize.rb:3:in 
> `<top (required)>' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in 
> `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in 
> `block (2 levels) in require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in 
> `each' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in 
> `block in require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in 
> `each' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in 
> `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/bundler-1.13.7/lib/bundler.rb:106:in 
> `require' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/config/application.rb:8:in 
> `<top (required)>' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/Rakefile:4:in 
> `require_relative' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/Rakefile:4:in 
> `<top (required)>' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/rake_module.rb:28:in 
> `load' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/rake_module.rb:28:in 
> `load_rakefile' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:687:in 
> `raw_load_rakefile' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:96:in 
> `block in load_rakefile' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in 
> `standard_exception_handling' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:95:in 
> `load_rakefile' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:79:in 
> `block in run' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in 
> `standard_exception_handling' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:77:in 
> `run' 
> /tmp/build_29247bb29579dec7ce1e38d2d8a4dac0/oanstein-oanstein-c5fa658ece352b50b13c6f2fe165fd6007dca37a/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in 
> `<top (required)>' vendor/bundle/bin/rake:17:in `load' 
> vendor/bundle/bin/rake:17:in `<main>'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/ruby.rb:757:in 
> `rake' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails4.rb:77:in 
> `block (2 levels) in run_assets_precompile_rake_task'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:132:in 
> `log'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails4.rb:71:in 
> `block in run_assets_precompile_rake_task' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:49:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:45:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails4.rb:70:in 
> `run_assets_precompile_rake_task'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/ruby.rb:109:in 
> `block (2 levels) in compile'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/ruby.rb:778:in 
> `allow_git' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/ruby.rb:103:in 
> `block in compile' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:49:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:45:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/ruby.rb:92:in 
> `compile'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails2.rb:57:in 
> `block in compile' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:49:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:45:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails2.rb:55:in 
> `compile'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails3.rb:42:in 
> `block in compile' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:49:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:45:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails3.rb:41:in 
> `compile'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails4.rb:41:in 
> `block in compile' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:49:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:45:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/rails4.rb:40:in 
> `compile'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/bin/support/ruby_compile:20:in 
> `block (2 levels) in <main>' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/base.rb:132:in 
> `log'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/bin/support/ruby_compile:19:in 
> `block in <main>'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:35:in 
> `block in trace' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:18:in 
> `block (2 levels) in instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:40:in 
> `yield_with_block_depth' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:17:in 
> `block in instrument'  from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/vendor/ruby/cedar-14/lib/ruby/2.3.0/benchmark.rb:308:in 
> `realtime' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:16:in 
> `instrument' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/instrument.rb:35:in 
> `trace' from 
> /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/bin/support/ruby_compile:15:in 
> `<main>' !  Push rejected, failed to compile Ruby app. !  Push 
> failed
有此錯誤日誌中：
load_rake_tasks!': Could not detect rake tasks LanguagePack::Helpers::RakeRunner::CannotLoadRakefileError) ensure you can run $ bundle exec rake -P against your app and using the production group of your Gemfile
MY GEM CHANGES