我在部署这个应用程序时从来没有遇到过问题，但我刚刚推送，现在我收到了这个奇怪的错误，它在堆栈中足够深，甚至没有发送到 Airbrake。我觉得这可能是 Heroku 的问题，可能与https://status.heroku.com/incidents/450有关？你怎么看？
2012-10-14T08:40:31+00:00 heroku[web.1]: State changed from starting to crashed
2012-10-14T08:40:31+00:00 heroku[web.1]: State changed from crashed to starting
2012-10-14T08:40:35+00:00 heroku[web.1]: Starting process with command `bundle exec thin start -R config.ru -e production -p 16119`
2012-10-14T08:40:38+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/nokogiri-1.5.5/lib/nokogiri.rb:27:in `require': libruby.so.1.9: cannot open shared object file: No such file or directory - /app/vendor/bundle/ruby/1.9.1/gems/nokogiri-1.5.5/lib/nokogiri/nokogiri.so (LoadError)
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/nokogiri-1.5.5/lib/nokogiri.rb:27:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog/core.rb:30:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog/core.rb:30:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog.rb:1:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog.rb:1:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:68:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:66:in `each'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:66:in `block in require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:55:in `each'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:55:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/bundler-1.2.1/lib/bundler.rb:128:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/config/boot.rb:8:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from config.ru:7:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from config.ru:7:in `block in <main>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize'
2012-10-14T08:40:38+00:00 app[web.1]: from config.ru:1:in `new'
2012-10-14T08:40:38+00:00 app[web.1]: from config.ru:1:in `<main>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog/core/parser.rb:1:in `require'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/fog-1.6.0/lib/fog/core/parser.rb:1:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/rack/adapter/loader.rb:33:in `eval'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/thin/controllers/controller.rb:71:in `start'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/thin/runner.rb:187:in `run_command'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/thin/runner.rb:152:in `run!'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/bin/thin:6:in `<top (required)>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/bin/thin:23:in `load'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/bin/thin:23:in `<main>'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/rack/adapter/loader.rb:33:in `load'
2012-10-14T08:40:38+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/thin-1.5.0/lib/thin/controllers/controller.rb:181:in `load_rackup_config'
2012-10-14T08:40:39+00:00 heroku[web.1]: Process exited with status 1
2012-10-14T08:40:39+00:00 heroku[web.1]: State changed from starting to crashed
2012-10-14T08:40:46+00:00 heroku[router]: Error H10 (App crashed) -> GET paintafish.herokuapp.com/ dyno= queue= wait= service= status=503 bytes=