railsアプリがherokuで表示されない

下記2つのチュートリアルを参考にrailsアプリを
作成しローカルで動作確認しherokuにデプロイしましたが
表示されません

http://www.buildinsider.net/enterprise/jenkins/003
http://qiita.com/ikuwow/items/8b8aa9ac8990f98691a9

調査方法ご存知のかたもしくは
原因を思い当たる方いらっしゃいませんでしょうか？

Application Error
An error occurred in the application and your page could not be served. Please try again in a few moments.

If you are the application owner, check your logs for details.

ログのエラー部分です。

 30 2016-09-07T15:51:21.862165+00:00 heroku[run.2342]: Starting process with command `bundle exec rake db:migrate`
 31 2016-09-07T15:51:21.906723+00:00 heroku[run.2342]: State changed from starting to up
 32 2016-09-07T15:51:27.209988+00:00 heroku[run.2342]: Process exited with status 0
 33 2016-09-07T15:51:27.261475+00:00 heroku[run.2342]: State changed from up to complete
 34 2016-09-07T15:51:52.012249+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=boiling-    lowlands-38076.herokuapp.com request_id=13758303-3137-4cd7-ada9-183d9c07b970 fwd="42.147.69.22" dyno= connect= service=     status=503 bytes=
 35 2016-09-07T15:51:53.802531+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" ho    st=boiling-lowlands-38076.herokuapp.com request_id=0291a50c-b251-4a65-8a95-cedc0a736bd0 fwd="42.147.69.22" dyno= connec    t= service= status=503 bytes=
 36 2016-09-07T15:51:59.371995+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/members" host=b    oiling-lowlands-38076.herokuapp.com request_id=f6f25298-88da-406e-a9dd-6408600ea09b fwd="42.147.69.22" dyno= connect= s    ervice= status=503 bytes=
 37 2016-09-07T15:52:00.250996+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" ho    st=boiling-lowlands-38076.herokuapp.com request_id=76955d71-fe87-474b-88b6-36a26c96b209 fwd="42.147.69.22" dyno= connec    t= service= status=503 bytes=

CHERRY

2016/09/07 10:24

「If you are the application owner, check your logs for details.」と言われていますので、Rails のログファイルに記載されているエラーメッセージを書いていただけないでしょうか？

chrokurojp

2016/09/07 15:57

失礼しました。下記がログのエラー部分になります。 ``` 30 2016-09-07T15:51:21.862165+00:00 heroku[run.2342]: Starting process with command `bundle exec rake db:migrate` 31 2016-09-07T15:51:21.906723+00:00 heroku[run.2342]: State changed from starting to up 32 2016-09-07T15:51:27.209988+00:00 heroku[run.2342]: Process exited with status 0 33 2016-09-07T15:51:27.261475+00:00 heroku[run.2342]: State changed from up to complete 34 2016-09-07T15:51:52.012249+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=boiling- lowlands-38076.herokuapp.com request_id=13758303-3137-4cd7-ada9-183d9c07b970 fwd="42.147.69.22" dyno= connect= service= status=503 bytes= 35 2016-09-07T15:51:53.802531+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" ho st=boiling-lowlands-38076.herokuapp.com request_id=0291a50c-b251-4a65-8a95-cedc0a736bd0 fwd="42.147.69.22" dyno= connec t= service= status=503 bytes= 36 2016-09-07T15:51:59.371995+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/members" host=b oiling-lowlands-38076.herokuapp.com request_id=f6f25298-88da-406e-a9dd-6408600ea09b fwd="42.147.69.22" dyno= connect= s ervice= status=503 bytes= 37 2016-09-07T15:52:00.250996+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" ho st=boiling-lowlands-38076.herokuapp.com request_id=76955d71-fe87-474b-88b6-36a26c96b209 fwd="42.147.69.22" dyno= connec t= service= status=503 bytes= ```