我是 Rails 新手，在将我的应用程序部署到 heroku 时遇到问题。我按照 heroku 网站和 ruby railstutorial 网站上的步骤进行操作，但仍然无法将我的应用程序部署到 heroku。我能得到的任何帮助我都会非常感激。
$ heroku 日志：
2013-07-26T01:23:15.046913+00:00 heroku[api]: Enable Logplex by curtisaallen@gma
il.com
2013-07-26T01:23:15.089486+00:00 heroku[api]: Release v2 created by curtisaallen
@gmail.com
2013-07-26T01:23:38+00:00 heroku[slug-compiler]: Slug compilation started
2013-07-26T01:25:33.273223+00:00 heroku[api]: Scale to web=1 by curtisaallen@gma
il.com
2013-07-26T01:25:33.650787+00:00 heroku[api]: Attach HEROKU_POSTGRESQL_CRIMSON r
esource by curtisaallen@gmail.com
2013-07-26T01:25:33.692396+00:00 heroku[api]: Release v3 created by curtisaallen
@gmail.com
2013-07-26T01:25:33.749253+00:00 heroku[api]: Add DATABASE_URL config by curtisa
allen@gmail.com
2013-07-26T01:25:33.763637+00:00 heroku[api]: Release v4 created by curtisaallen
@gmail.com
2013-07-26T01:25:33.832704+00:00 heroku[api]: Deploy 1c3b67a by curtisaallen@gma
il.com
2013-07-26T01:25:33.847908+00:00 heroku[api]: Release v5 created by curtisaallen
@gmail.com
2013-07-26T01:25:33.879978+00:00 heroku[api]: Deploy 1c3b67a by curtisaallen@gma
il.com
2013-07-26T01:25:34+00:00 heroku[slug-compiler]: Slug compilation finished
2013-07-26T01:25:39.212091+00:00 heroku[web.1]: Starting process with command `b
in/rails server -p 58225 -e $RAILS_ENV`
2013-07-26T01:25:40.010971+00:00 app[web.1]: /usr/bin/env: ruby.exe: No such fil
e or directory
2013-07-26T01:25:41.338350+00:00 heroku[web.1]: Process exited with status 127
2013-07-26T01:25:41.352266+00:00 heroku[web.1]: State changed from crashed to st
arting
2013-07-26T01:25:41.351628+00:00 heroku[web.1]: State changed from starting to c
rashed
2013-07-26T01:25:47.215557+00:00 heroku[web.1]: Starting process with command `b
in/rails server -p 35984 -e $RAILS_ENV`
2013-07-26T01:25:48.168489+00:00 app[web.1]: /usr/bin/env: ruby.exe: No such fil
e or directory
2013-07-26T01:25:49.351489+00:00 heroku[web.1]: Error R99 (Platform error) -> Fa
iled to launch the dyno within 10 seconds
2013-07-26T01:25:49.351719+00:00 heroku[web.1]: Stopping process with SIGKILL
2013-07-26T01:25:49.888558+00:00 heroku[web.1]: Process exited with status 127
2013-07-26T01:25:49.894251+00:00 heroku[web.1]: State changed from starting to c
rashed
2013-07-26T01:25:57.479224+00:00 heroku[web.1]: Error R99 (Platform error) -> Fa
iled to launch the dyno within 10 seconds
2013-07-26T01:25:57.479224+00:00 heroku[web.1]: Stopping process with SIGKILL
2013-07-26T01:27:35.505937+00:00 heroku[router]: at=error code=H10 desc="App cra