Rails Heroku Application Error on Heroku Open

Rails Heroku Application Error on Heroku Open - ruby-on-rails

I am trying to start my Heroku app (Rails 6 / Postgres) by using heroku open, but I am encountering an 'Application Error'.
Earlier I was having issues with rails credentials, but I deleted and regenerated them and am no longer seeing the same errors as before.
EDIT:
Again, I ran rm credentials.yml.enc and EDITOR='subl -w' rails credentials:edit (just running rails edit:credentials prompts you to use an editor) and I got the following:
DEPRECATION WARNING: Including LoggerSilence is deprecated and will be removed in Rails 6.1. Please use `ActiveSupport::LoggerSilence` instead (called from <main> at /Users/spencer_kier/life-school-landing/config/application.rb:7)
File encrypted and saved.
And then I added, committed and pushed to Github, then ran heroku open and got the following (note that when I run heroku local everything is fine):
2019-09-28T23:03:08.902322+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/dependencies.rb:291:in `load_dependency'
2019-09-28T23:03:08.902326+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/dependencies.rb:325:in `require'
2019-09-28T23:03:08.90233+00:00 app[web.1]: from bin/rails:9:in `<main>'
2019-09-28T23:03:09.002478+00:00 heroku[web.1]: Process exited with status 1
2019-09-28T23:03:09.055408+00:00 heroku[web.1]: State changed from starting to crashed
2019-09-28T23:03:09.05902+00:00 heroku[web.1]: State changed from crashed to starting
2019-09-28T23:03:15.860009+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 58084 -e production`
2019-09-28T23:03:21.559329+00:00 heroku[web.1]: source=web.1 dyno=heroku.147843998.1c5871c6-e4e4-4f6c-8895-730f9331ed93 sample#memory_total=96.64MB sample#memory_rss=71.09MB sample#memory_cache=25.56MB sample#memory_swap=0.00MB sample#memory_pgpgin=34691pages sample#memory_pgpgout=9950pages sample#memory_quota=512.00MB
2019-09-28T23:03:21.327298+00:00 app[web.1]: DEPRECATION WARNING: Including LoggerSilence is deprecated and will be removed in Rails 6.1. Please use `ActiveSupport::LoggerSilence` instead (called from <main> at /app/config/application.rb:7)
2019-09-28T23:03:21.356216+00:00 app[web.1]: => Booting Puma
2019-09-28T23:03:21.356221+00:00 app[web.1]: => Rails 6.0.0 application starting in production
2019-09-28T23:03:21.356223+00:00 app[web.1]: => Run `rails server --help` for more startup options
2019-09-28T23:03:22.441468+00:00 app[web.1]: Exiting
2019-09-28T23:03:22.441762+00:00 app[web.1]: /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/message_encryptor.rb:206:in `rescue in _decrypt': ActiveSupport::MessageEncryptor::InvalidMessage (ActiveSupport::MessageEncryptor::InvalidMessage)
2019-09-28T23:03:22.441792+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/message_encryptor.rb:183:in `_decrypt'
2019-09-28T23:03:22.441823+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/message_encryptor.rb:157:in `decrypt_and_verify'
2019-09-28T23:03:22.441853+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/messages/rotator.rb:21:in `decrypt_and_verify'
2019-09-28T23:03:22.441879+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/encrypted_file.rb:80:in `decrypt'
2019-09-28T23:03:22.441907+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/encrypted_file.rb:43:in `read'
2019-09-28T23:03:22.441936+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/encrypted_configuration.rb:21:in `read'
2019-09-28T23:03:22.441963+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/encrypted_configuration.rb:33:in `config'
2019-09-28T23:03:22.44199+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/encrypted_configuration.rb:38:in `options'
2019-09-28T23:03:22.442017+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/core_ext/module/delegation.rb:297:in `method_missing'
2019-09-28T23:03:22.442046+00:00 app[web.1]: from (erb):12:in `<main>'
2019-09-28T23:03:22.442074+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/erb.rb:901:in `eval'
2019-09-28T23:03:22.442102+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/erb.rb:901:in `result'
2019-09-28T23:03:22.442131+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activestorage-6.0.0/lib/active_storage/engine.rb:111:in `block (2 levels) in <class:Engine>'
2019-09-28T23:03:22.44216+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:72:in `class_eval'
2019-09-28T23:03:22.442189+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:72:in `block in execute_hook'
2019-09-28T23:03:22.442218+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:62:in `with_execution_control'
2019-09-28T23:03:22.442245+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:67:in `execute_hook'
2019-09-28T23:03:22.442273+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:52:in `block in run_load_hooks'
2019-09-28T23:03:22.442302+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:51:in `each'
2019-09-28T23:03:22.442333+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/lazy_load_hooks.rb:51:in `run_load_hooks'
2019-09-28T23:03:22.442359+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activestorage-6.0.0/app/models/active_storage/blob.rb:278:in `<main>'
2019-09-28T23:03:22.442391+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
2019-09-28T23:03:22.442419+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
2019-09-28T23:03:22.442447+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2019-09-28T23:03:22.442488+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
2019-09-28T23:03:22.442491+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
2019-09-28T23:03:22.442496+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/kernel.rb:16:in `require'
2019-09-28T23:03:22.442497+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:355:in `const_get'
2019-09-28T23:03:22.442499+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:355:in `block (2 levels) in eager_load'
2019-09-28T23:03:22.442518+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:679:in `block in ls'
2019-09-28T23:03:22.44252+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:676:in `foreach'
2019-09-28T23:03:22.442525+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:676:in `ls'
2019-09-28T23:03:22.442528+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:346:in `block in eager_load'
2019-09-28T23:03:22.442529+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:338:in `synchronize'
2019-09-28T23:03:22.442531+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:338:in `eager_load'
2019-09-28T23:03:22.442533+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:449:in `each'
2019-09-28T23:03:22.442538+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/loader.rb:449:in `eager_load_all'
2019-09-28T23:03:22.44254+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/application/finisher.rb:122:in `block in <module:Finisher>'
2019-09-28T23:03:22.442542+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/initializable.rb:32:in `instance_exec'
2019-09-28T23:03:22.442546+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/initializable.rb:32:in `run'
2019-09-28T23:03:22.442548+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/initializable.rb:61:in `block in run_initializers'
2019-09-28T23:03:22.442572+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:228:in `block in tsort_each'
2019-09-28T23:03:22.442574+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
2019-09-28T23:03:22.442577+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:431:in `each_strongly_connected_component_from'
2019-09-28T23:03:22.44258+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:349:in `block in each_strongly_connected_component'
2019-09-28T23:03:22.442584+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `each'
2019-09-28T23:03:22.442602+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `call'
2019-09-28T23:03:22.442604+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:347:in `each_strongly_connected_component'
2019-09-28T23:03:22.442607+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:226:in `tsort_each'
2019-09-28T23:03:22.44261+00:00 app[web.1]: from /app/vendor/ruby-2.6.3/lib/ruby/2.6.0/tsort.rb:205:in `tsort_each'
2019-09-28T23:03:22.442613+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/initializable.rb:60:in `run_initializers'
2019-09-28T23:03:22.442664+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/application.rb:363:in `initialize!'
2019-09-28T23:03:22.442666+00:00 app[web.1]: from /app/config/environment.rb:5:in `<main>'
2019-09-28T23:03:22.442668+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
2019-09-28T23:03:22.44267+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
2019-09-28T23:03:22.442671+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2019-09-28T23:03:22.442673+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
2019-09-28T23:03:22.442674+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
2019-09-28T23:03:22.442676+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.1.10/lib/zeitwerk/kernel.rb:23:in `require'
2019-09-28T23:03:22.442677+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/dependencies.rb:325:in `block in require'
2019-09-28T23:03:22.442681+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/dependencies.rb:291:in `load_dependency'
2019-09-28T23:03:22.442683+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/dependencies.rb:325:in `require'
2019-09-28T23:03:22.442684+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:48:in `require_relative'
2019-09-28T23:03:22.442686+00:00 app[web.1]: from config.ru:3:in `block in <main>'
2019-09-28T23:03:22.442687+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/builder.rb:55:in `instance_eval'
2019-09-28T23:03:22.442691+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/builder.rb:55:in `initialize'
2019-09-28T23:03:22.442692+00:00 app[web.1]: from config.ru:in `new'
2019-09-28T23:03:22.442694+00:00 app[web.1]: from config.ru:in `<main>'
2019-09-28T23:03:22.442697+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/builder.rb:49:in `eval'
2019-09-28T23:03:22.4427+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/builder.rb:49:in `new_from_string'
2019-09-28T23:03:22.442725+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/builder.rb:40:in `parse_file'
2019-09-28T23:03:22.442727+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:319:in `build_app_and_options_from_config'
2019-09-28T23:03:22.442732+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:219:in `app'
2019-09-28T23:03:22.442735+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:354:in `wrapped_app'
2019-09-28T23:03:22.44274+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:283:in `start'
2019-09-28T23:03:22.442742+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/commands/server/server_command.rb:39:in `start'
2019-09-28T23:03:22.442746+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/commands/server/server_command.rb:147:in `block in perform'
2019-09-28T23:03:22.44275+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/commands/server/server_command.rb:138:in `tap'
2019-09-28T23:03:22.442755+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/commands/server/server_command.rb:138:in `perform'
2019-09-28T23:03:22.442758+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
2019-09-28T23:03:22.442761+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
2019-09-28T23:03:22.442764+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
2019-09-28T23:03:22.442784+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/command/base.rb:65:in `perform'
2019-09-28T23:03:22.442786+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/command.rb:46:in `invoke'
2019-09-28T23:03:22.4428+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.0/lib/rails/commands.rb:18:in `<main>'
2019-09-28T23:03:22.442801+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'

The key value in Heroku was wrong.

Related

heroku[router]: at=error code=H10 desc="App crashed" method

on Ruby on Rails - Heroku deployment, I got a error of heroku[route]: at=error code=H10 desc="App crashed" method After some debugging the log texts, main part of the log file I got:
2022-01-08T11:12:12.754916+00:00 heroku[web.1]: Starting process with command `bin/rails server -p ${PORT:-5000} -e production`
2022-01-08T11:12:16.534794+00:00 app[web.1]: => Booting Puma
2022-01-08T11:12:16.534809+00:00 app[web.1]: => Rails 6.1.4.4 application starting in production
2022-01-08T11:12:16.534810+00:00 app[web.1]: => Run `bin/rails server --help` for more startup options
2022-01-08T11:12:17.742438+00:00 app[web.1]: Exiting
2022-01-08T11:12:17.745593+00:00 app[web.1]: /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:34:in `require': cannot load such file -- net/pop (LoadError)
2022-01-08T11:12:17.745616+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/zeitwerk-2.5.3/lib/zeitwerk/kernel.rb:35:in `require'
2022-01-08T11:12:17.745630+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail/network/retriever_methods/pop3.rb:36:in `<class:POP3>'
2022-01-08T11:12:17.745642+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail/network/retriever_methods/pop3.rb:35:in `<module:Mail>'
2022-01-08T11:12:17.745655+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail/network/retriever_methods/pop3.rb:4:in `<main>'
2022-01-08T11:12:17.745668+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2022-01-08T11:12:17.745681+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2022-01-08T11:12:17.745694+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/loaded_features_index.rb:100:in `register'
2022-01-08T11:12:17.745708+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2022-01-08T11:12:17.745720+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2022-01-08T11:12:17.745733+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/zeitwerk-2.5.3/lib/zeitwerk/kernel.rb:35:in `require'
2022-01-08T11:12:17.745745+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail.rb:54:in `block in eager_autoload!'
2022-01-08T11:12:17.745761+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail.rb:54:in `each'
2022-01-08T11:12:17.745774+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/mail-2.7.1/lib/mail.rb:54:in `eager_autoload!'
2022-01-08T11:12:17.745786+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/actionmailer-6.1.4.4/lib/action_mailer.rb:61:in `eager_load!'
2022-01-08T11:12:17.745799+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/application/finisher.rb:134:in `each'
2022-01-08T11:12:17.745811+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/application/finisher.rb:134:in `block in <module:Finisher>'
2022-01-08T11:12:17.745824+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/initializable.rb:32:in `instance_exec'
2022-01-08T11:12:17.745838+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/initializable.rb:32:in `run'
2022-01-08T11:12:17.745850+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/initializable.rb:61:in `block in run_initializers'
2022-01-08T11:12:17.745863+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:228:in `block in tsort_each'
2022-01-08T11:12:17.745875+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
2022-01-08T11:12:17.745888+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:431:in `each_strongly_connected_component_from'
2022-01-08T11:12:17.745900+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:349:in `block in each_strongly_connected_component'
2022-01-08T11:12:17.745913+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:347:in `each'
2022-01-08T11:12:17.745926+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:347:in `call'
2022-01-08T11:12:17.745938+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:347:in `each_strongly_connected_component'
2022-01-08T11:12:17.745950+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:226:in `tsort_each'
2022-01-08T11:12:17.745963+00:00 app[web.1]: from /app/vendor/ruby-3.1.0/lib/ruby/3.1.0/tsort.rb:205:in `tsort_each'
2022-01-08T11:12:17.745975+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/initializable.rb:60:in `run_initializers'
2022-01-08T11:12:17.745988+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/application.rb:391:in `initialize!'
2022-01-08T11:12:17.746002+00:00 app[web.1]: from /app/config/environment.rb:5:in `<main>'
2022-01-08T11:12:17.746015+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2022-01-08T11:12:17.746027+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2022-01-08T11:12:17.746040+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/loaded_features_index.rb:100:in `register'
2022-01-08T11:12:17.746053+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2022-01-08T11:12:17.746066+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2022-01-08T11:12:17.746079+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/zeitwerk-2.5.3/lib/zeitwerk/kernel.rb:35:in `require'
2022-01-08T11:12:17.746092+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/activesupport-6.1.4.4/lib/active_support/dependencies.rb:332:in `block in require'
2022-01-08T11:12:17.746104+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/activesupport-6.1.4.4/lib/active_support/dependencies.rb:299:in `load_dependency'
2022-01-08T11:12:17.746117+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/activesupport-6.1.4.4/lib/active_support/dependencies.rb:332:in `require'
2022-01-08T11:12:17.746130+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `require_relative'
2022-01-08T11:12:17.746143+00:00 app[web.1]: from config.ru:3:in `block in <main>'
2022-01-08T11:12:17.746156+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `eval'
2022-01-08T11:12:17.746169+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `new_from_string'
2022-01-08T11:12:17.746181+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/builder.rb:105:in `load_file'
2022-01-08T11:12:17.746194+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/builder.rb:66:in `parse_file'
2022-01-08T11:12:17.746206+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:349:in `build_app_and_options_from_config'
2022-01-08T11:12:17.746219+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:249:in `app'
2022-01-08T11:12:17.746232+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:422:in `wrapped_app'
2022-01-08T11:12:17.746245+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:312:in `block in start'
2022-01-08T11:12:17.746258+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:379:in `handle_profiling'
2022-01-08T11:12:17.746270+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/rack-2.2.3/lib/rack/server.rb:311:in `start'
2022-01-08T11:12:17.746283+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/commands/server/server_command.rb:39:in `start'
2022-01-08T11:12:17.746297+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/commands/server/server_command.rb:144:in `block in perform'
2022-01-08T11:12:17.746309+00:00 app[web.1]: from <internal:kernel>:90:in `tap'
2022-01-08T11:12:17.746322+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/commands/server/server_command.rb:135:in `perform'
2022-01-08T11:12:17.746335+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/thor-1.2.1/lib/thor/command.rb:27:in `run'
2022-01-08T11:12:17.746348+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/thor-1.2.1/lib/thor/invocation.rb:127:in `invoke_command'
2022-01-08T11:12:17.746361+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/thor-1.2.1/lib/thor.rb:392:in `dispatch'
2022-01-08T11:12:17.746373+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/command/base.rb:69:in `perform'
2022-01-08T11:12:17.746386+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/command.rb:48:in `invoke'
2022-01-08T11:12:17.746399+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/railties-6.1.4.4/lib/rails/commands.rb:18:in `<main>'
2022-01-08T11:12:17.746412+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2022-01-08T11:12:17.746424+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2022-01-08T11:12:17.746437+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/loaded_features_index.rb:100:in `register'
2022-01-08T11:12:17.746451+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2022-01-08T11:12:17.746463+00:00 app[web.1]: from /app/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.9.3/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2022-01-08T11:12:17.746476+00:00 app[web.1]: from bin/rails:5:in `<main>'
2022-01-08T11:12:17.961296+00:00 heroku[web.1]: Process exited with status 1
2022-01-08T11:12:18.044550+00:00 heroku[web.1]: State changed from starting to crashed
Though this was the main topic of the full log text on production environment, but in local development environment, there was no issues found while starting the Rails server! Everything was working fine on development environment.
Besides, the URL was showing the following texts:
Application error An error occurred in the application and your page could not be served. If you are the application owner, check your logs for details. You can do this from the Heroku CLI with the command heroku logs --tail
And the console is showing this: Failed to load resource: the server responded with a status of 503 (Service Unavailable)

Solution
Ok, after a few deployments of fixing the errors found from the log file, I got that, in our Gemfile, we need to add some gem (around 3 gems) which are needed for some dependencies. Those gems are:
# Gemfile
gem 'net-smtp', require: false
gem 'net-pop', require: false
gem 'net-imap', require: false
after adding those to our gem file, run
bundle install
Then deploy the code on heroku and this will make a proper deployment.

RoR app crashed, logs referrencing lots of different libraries

I used to do a lot of Ruby on Rails programming on bash but since changing over to robby russells zsh, I have not done any production level work.
I recently did a change and pushed it to heroku and I got this error when I checked heroku logs:
2020-04-07T01:51:58.557111+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/inflector/methods.rb:269:in `const_get'
2020-04-07T01:51:58.557111+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/inflector/methods.rb:269:in `block in constantize'
2020-04-07T01:51:58.557112+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/inflector/methods.rb:267:in `each'
2020-04-07T01:51:58.557115+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/inflector/methods.rb:267:in `inject'
2020-04-07T01:51:58.557118+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/inflector/methods.rb:267:in `constantize'
2020-04-07T01:51:58.557136+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:583:in `get'
2020-04-07T01:51:58.557144+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:614:in `constantize'
2020-04-07T01:51:58.557145+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise.rb:320:in `get'
2020-04-07T01:51:58.557148+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/mapping.rb:83:in `to'
2020-04-07T01:51:58.557149+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/mapping.rb:78:in `modules'
2020-04-07T01:51:58.557149+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/mapping.rb:95:in `routes'
2020-04-07T01:51:58.557152+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/mapping.rb:162:in `default_used_route'
2020-04-07T01:51:58.557167+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/mapping.rb:72:in `initialize'
2020-04-07T01:51:58.557167+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise.rb:350:in `new'
2020-04-07T01:51:58.557168+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise.rb:350:in `add_mapping'
2020-04-07T01:51:58.557170+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/rails/routes.rb:243:in `block in devise_for'
2020-04-07T01:51:58.557184+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/rails/routes.rb:242:in `each'
2020-04-07T01:51:58.557184+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/rails/routes.rb:242:in `devise_for'
2020-04-07T01:51:58.557196+00:00 app[web.1]: from /app/config/routes.rb:5:in `block in <top (required)>'
2020-04-07T01:51:58.557199+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/actionpack-5.1.6.2/lib/action_dispatch/routing/route_set.rb:436:in `instance_exec'
2020-04-07T01:51:58.557199+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/actionpack-5.1.6.2/lib/action_dispatch/routing/route_set.rb:436:in `eval_block'
2020-04-07T01:51:58.557202+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/actionpack-5.1.6.2/lib/action_dispatch/routing/route_set.rb:418:in `draw'
2020-04-07T01:51:58.557217+00:00 app[web.1]: from /app/config/routes.rb:1:in `<top (required)>'
2020-04-07T01:51:58.557217+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:286:in `load'
2020-04-07T01:51:58.557220+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:286:in `block in load'
2020-04-07T01:51:58.557222+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:258:in `load_dependency'
2020-04-07T01:51:58.557236+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/dependencies.rb:286:in `load'
2020-04-07T01:51:58.557236+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application/routes_reloader.rb:55:in `block in load_paths'
2020-04-07T01:51:58.557239+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application/routes_reloader.rb:55:in `each'
2020-04-07T01:51:58.557242+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application/routes_reloader.rb:55:in `load_paths'
2020-04-07T01:51:58.557256+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application/routes_reloader.rb:18:in `reload!'
2020-04-07T01:51:58.557256+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application.rb:164:in `reload_routes!'
2020-04-07T01:51:58.557270+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/devise-4.7.1/lib/devise/rails.rb:17:in `block in <class:Engine>'
2020-04-07T01:51:58.557277+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:67:in `block in execute_hook'
2020-04-07T01:51:58.557280+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:60:in `with_execution_control'
2020-04-07T01:51:58.557281+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:65:in `execute_hook'
2020-04-07T01:51:58.557283+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:50:in `block in run_load_hooks'
2020-04-07T01:51:58.557301+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:49:in `each'
2020-04-07T01:51:58.557301+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/activesupport-5.1.6.2/lib/active_support/lazy_load_hooks.rb:49:in `run_load_hooks'
2020-04-07T01:51:58.557304+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application/finisher.rb:66:in `block in <module:Finisher>'
2020-04-07T01:51:58.557305+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/initializable.rb:30:in `instance_exec'
2020-04-07T01:51:58.557307+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/initializable.rb:30:in `run'
2020-04-07T01:51:58.557321+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/initializable.rb:59:in `block in run_initializers'
2020-04-07T01:51:58.557321+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:228:in `block in tsort_each'
2020-04-07T01:51:58.557324+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
2020-04-07T01:51:58.557326+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:431:in `each_strongly_connected_component_from'
2020-04-07T01:51:58.557340+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:349:in `block in each_strongly_connected_component'
2020-04-07T01:51:58.557346+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `each'
2020-04-07T01:51:58.557349+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `call'
2020-04-07T01:51:58.557350+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `each_strongly_connected_component'
2020-04-07T01:51:58.557350+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:226:in `tsort_each'
2020-04-07T01:51:58.557364+00:00 app[web.1]: from /app/vendor/ruby-2.4.0/lib/ruby/2.4.0/tsort.rb:205:in `tsort_each'
2020-04-07T01:51:58.557364+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/initializable.rb:58:in `run_initializers'
2020-04-07T01:51:58.557367+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/application.rb:353:in `initialize!'
2020-04-07T01:51:58.557369+00:00 app[web.1]: from /app/config/environment.rb:5:in `<top (required)>'
2020-04-07T01:51:58.557388+00:00 app[web.1]: from config.ru:3:in `require_relative'
2020-04-07T01:51:58.557389+00:00 app[web.1]: from config.ru:3:in `block in <main>'
2020-04-07T01:51:58.557392+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `instance_eval'
2020-04-07T01:51:58.557392+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `initialize'
2020-04-07T01:51:58.557400+00:00 app[web.1]: from config.ru:in `new'
2020-04-07T01:51:58.557402+00:00 app[web.1]: from config.ru:in `<main>'
2020-04-07T01:51:58.557405+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `eval'
2020-04-07T01:51:58.557407+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `new_from_string'
2020-04-07T01:51:58.557422+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/builder.rb:40:in `parse_file'
2020-04-07T01:51:58.557423+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/server.rb:319:in `build_app_and_options_from_config'
2020-04-07T01:51:58.557426+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/server.rb:219:in `app'
2020-04-07T01:51:58.557428+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands/server/server_command.rb:24:in `app'
2020-04-07T01:51:58.557441+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/server.rb:354:in `wrapped_app'
2020-04-07T01:51:58.557442+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/rack-2.0.6/lib/rack/server.rb:283:in `start'
2020-04-07T01:51:58.557444+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands/server/server_command.rb:44:in `start'
2020-04-07T01:51:58.557450+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands/server/server_command.rb:135:in `block in perform'
2020-04-07T01:51:58.557452+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands/server/server_command.rb:130:in `tap'
2020-04-07T01:51:58.557455+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands/server/server_command.rb:130:in `perform'
2020-04-07T01:51:58.557469+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
2020-04-07T01:51:58.557470+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
2020-04-07T01:51:58.557473+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
2020-04-07T01:51:58.557475+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/command/base.rb:63:in `perform'
2020-04-07T01:51:58.557489+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/command.rb:44:in `invoke'
2020-04-07T01:51:58.557489+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.4.0/gems/railties-5.1.6.2/lib/rails/commands.rb:16:in `<top (required)>'
2020-04-07T01:51:58.557492+00:00 app[web.1]: from bin/rails:9:in `require'
2020-04-07T01:51:58.557494+00:00 app[web.1]: from bin/rails:9:in `<main>'
2020-04-07T01:51:58.563811+00:00 app[web.1]: => Booting Puma
2020-04-07T01:51:58.563812+00:00 app[web.1]: => Rails 5.1.6.2 application starting in production
2020-04-07T01:51:58.563813+00:00 app[web.1]: => Run `rails server -h` for more startup options
2020-04-07T01:51:58.563813+00:00 app[web.1]: Exiting
2020-04-07T02:36:56.635446+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/robots.txt" host=dancortes-portfolio.herokuapp.com request_id=d7acd72b-3465-4461-b067-0f51f55a289e fwd="77.88.5.192" dyno= connect= service= status=503 bytes= protocol=https
Prior to the app crashing once pushing to Heroku, I saw various warnings, one about Procfile missing, which I have never had, another about the ruby version being outdated. Could this mean I need to update my ruby version?

Rails App works locally but crashes when deploying to heroku

I'm trying to open my rails application through heroku after its been deployed to heroku but keep getting an application error and cant figure it out. This is my full error message:
2020-03-28T05:36:08.883484+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands.rb:18:in `<main>'
2020-03-28T05:36:08.883487+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:36:08.883490+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:36:08.883493+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:36:08.883514+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:36:08.883514+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:36:08.883515+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `block in require'
2020-03-28T05:36:08.883515+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:291:in `load_dependency'
2020-03-28T05:36:08.883518+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `require'
2020-03-28T05:36:08.883527+00:00 app[web.1]: from bin/rails:4:in `<main>'
2020-03-28T05:36:09.000809+00:00 heroku[web.1]: State changed from starting to crashed
2020-03-28T05:36:08.983756+00:00 heroku[web.1]: Process exited with status 1
2020-03-28T05:45:46.000000+00:00 app[api]: Build started by user gavinsmyth1998#gmail.com
2020-03-28T05:47:05.219450+00:00 app[api]: Deploy 371fbb06 by user gavinsmyth1998#gmail.com
2020-03-28T05:47:05.219450+00:00 app[api]: Release v8 created by user gavinsmyth1998#gmail.com
2020-03-28T05:47:06.240929+00:00 heroku[web.1]: State changed from crashed to starting
2020-03-28T05:47:11.000000+00:00 app[api]: Build succeeded
2020-03-28T05:47:12.913174+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 53780 -e production`
2020-03-28T05:47:18.871183+00:00 app[web.1]: DEPRECATION WARNING: Including LoggerSilence is deprecated and will be removed in Rails 6.1. Please use `ActiveSupport::LoggerSilence` instead (called from <main> at /app/config/application.rb:7)
2020-03-28T05:47:18.900508+00:00 app[web.1]: => Booting Puma
2020-03-28T05:47:18.900510+00:00 app[web.1]: => Rails 6.0.2.2 application starting in production
2020-03-28T05:47:18.900511+00:00 app[web.1]: => Run `rails server --help` for more startup options
2020-03-28T05:47:20.753020+00:00 app[web.1]: Exiting
2020-03-28T05:47:20.753201+00:00 app[web.1]: /app/app/unit_converter/lib/unit_converter.rb:2:in `<main>': UnitConverter is not a module (TypeError)
2020-03-28T05:47:20.753225+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:20.753226+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:20.753228+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:20.753246+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:20.753248+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:20.753264+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:16:in `require'
2020-03-28T05:47:20.753265+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:381:in `const_get'
2020-03-28T05:47:20.753282+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:381:in `block (2 levels) in eager_load'
2020-03-28T05:47:20.753283+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:723:in `block in ls'
2020-03-28T05:47:20.753299+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:720:in `foreach'
2020-03-28T05:47:20.753299+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:720:in `ls'
2020-03-28T05:47:20.753315+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:376:in `block in eager_load'
2020-03-28T05:47:20.753315+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:368:in `synchronize'
2020-03-28T05:47:20.753317+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:368:in `eager_load'
2020-03-28T05:47:20.753333+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:483:in `each'
2020-03-28T05:47:20.753334+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:483:in `eager_load_all'
2020-03-28T05:47:20.753336+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/application/finisher.rb:122:in `block in <module:Finisher>'
2020-03-28T05:47:20.753352+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:32:in `instance_exec'
2020-03-28T05:47:20.753352+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:32:in `run'
2020-03-28T05:47:20.753354+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:61:in `block in run_initializers'
2020-03-28T05:47:20.753375+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:228:in `block in tsort_each'
2020-03-28T05:47:20.753378+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
2020-03-28T05:47:20.753381+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:431:in `each_strongly_connected_component_from'
2020-03-28T05:47:20.753382+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:349:in `block in each_strongly_connected_component'
2020-03-28T05:47:20.753385+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `each'
2020-03-28T05:47:20.753387+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `call'
2020-03-28T05:47:20.753406+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `each_strongly_connected_component'
2020-03-28T05:47:20.753406+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:226:in `tsort_each'
2020-03-28T05:47:20.753408+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:205:in `tsort_each'
2020-03-28T05:47:20.753424+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:60:in `run_initializers'
2020-03-28T05:47:20.753424+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/application.rb:363:in `initialize!'
2020-03-28T05:47:20.753440+00:00 app[web.1]: from /app/config/environment.rb:5:in `<main>'
2020-03-28T05:47:20.753440+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:20.753457+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:20.753459+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:20.753476+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:20.753476+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:20.753493+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:23:in `require'
2020-03-28T05:47:20.753495+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `block in require'
2020-03-28T05:47:20.753511+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:291:in `load_dependency'
2020-03-28T05:47:20.753513+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `require'
2020-03-28T05:47:20.753529+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:49:in `require_relative'
2020-03-28T05:47:20.753530+00:00 app[web.1]: from config.ru:3:in `block in <main>'
2020-03-28T05:47:20.753550+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:116:in `eval'
2020-03-28T05:47:20.753550+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:116:in `new_from_string'
2020-03-28T05:47:20.753553+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:105:in `load_file'
2020-03-28T05:47:20.753556+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:66:in `parse_file'
2020-03-28T05:47:20.753577+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:349:in `build_app_and_options_from_config'
2020-03-28T05:47:20.753577+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:249:in `app'
2020-03-28T05:47:20.753579+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:422:in `wrapped_app'
2020-03-28T05:47:20.753598+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:312:in `block in start'
2020-03-28T05:47:20.753600+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:379:in `handle_profiling'
2020-03-28T05:47:20.753616+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:311:in `start'
2020-03-28T05:47:20.753618+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:39:in `start'
2020-03-28T05:47:20.753634+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:147:in `block in perform'
2020-03-28T05:47:20.753635+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:138:in `tap'
2020-03-28T05:47:20.753651+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:138:in `perform'
2020-03-28T05:47:20.753651+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
2020-03-28T05:47:20.753667+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
2020-03-28T05:47:20.753668+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
2020-03-28T05:47:20.753684+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/command/base.rb:69:in `perform'
2020-03-28T05:47:20.753685+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/command.rb:46:in `invoke'
2020-03-28T05:47:20.753701+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands.rb:18:in `<main>'
2020-03-28T05:47:20.753702+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:20.753722+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:20.753722+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:20.753725+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:20.753728+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:20.753748+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `block in require'
2020-03-28T05:47:20.753748+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:291:in `load_dependency'
2020-03-28T05:47:20.753750+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `require'
2020-03-28T05:47:20.753767+00:00 app[web.1]: from bin/rails:4:in `<main>'
2020-03-28T05:47:20.930773+00:00 heroku[web.1]: State changed from starting to crashed
2020-03-28T05:47:20.934097+00:00 heroku[web.1]: State changed from crashed to starting
2020-03-28T05:47:20.911352+00:00 heroku[web.1]: Process exited with status 1
2020-03-28T05:47:28.215815+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 11530 -e production`
2020-03-28T05:47:34.875311+00:00 app[web.1]: DEPRECATION WARNING: Including LoggerSilence is deprecated and will be removed in Rails 6.1. Please use `ActiveSupport::LoggerSilence` instead (called from <main> at /app/config/application.rb:7)
2020-03-28T05:47:34.899134+00:00 app[web.1]: => Booting Puma
2020-03-28T05:47:34.899138+00:00 app[web.1]: => Rails 6.0.2.2 application starting in production
2020-03-28T05:47:34.899139+00:00 app[web.1]: => Run `rails server --help` for more startup options
2020-03-28T05:47:36.057620+00:00 heroku[web.1]: State changed from starting to crashed
2020-03-28T05:47:35.944829+00:00 app[web.1]: Exiting
2020-03-28T05:47:35.944955+00:00 app[web.1]: /app/app/unit_converter/lib/unit_converter.rb:2:in `<main>': UnitConverter is not a module (TypeError)
2020-03-28T05:47:35.944979+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:35.944980+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:35.944980+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:35.944981+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:35.944993+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:35.944994+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:16:in `require'
2020-03-28T05:47:35.944997+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:381:in `const_get'
2020-03-28T05:47:35.944997+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:381:in `block (2 levels) in eager_load'
2020-03-28T05:47:35.944997+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:723:in `block in ls'
2020-03-28T05:47:35.944998+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:720:in `foreach'
2020-03-28T05:47:35.944998+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:720:in `ls'
2020-03-28T05:47:35.945001+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:376:in `block in eager_load'
2020-03-28T05:47:35.945003+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:368:in `synchronize'
2020-03-28T05:47:35.945005+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:368:in `eager_load'
2020-03-28T05:47:35.945007+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:483:in `each'
2020-03-28T05:47:35.945010+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/loader.rb:483:in `eager_load_all'
2020-03-28T05:47:35.945035+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/application/finisher.rb:122:in `block in <module:Finisher>'
2020-03-28T05:47:35.945036+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:32:in `instance_exec'
2020-03-28T05:47:35.945036+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:32:in `run'
2020-03-28T05:47:35.945036+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:61:in `block in run_initializers'
2020-03-28T05:47:35.945037+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:228:in `block in tsort_each'
2020-03-28T05:47:35.945040+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
2020-03-28T05:47:35.945040+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:431:in `each_strongly_connected_component_from'
2020-03-28T05:47:35.945043+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:349:in `block in each_strongly_connected_component'
2020-03-28T05:47:35.945046+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `each'
2020-03-28T05:47:35.945049+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `call'
2020-03-28T05:47:35.945051+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:347:in `each_strongly_connected_component'
2020-03-28T05:47:35.945054+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:226:in `tsort_each'
2020-03-28T05:47:35.945056+00:00 app[web.1]: from /app/vendor/ruby-2.6.5/lib/ruby/2.6.0/tsort.rb:205:in `tsort_each'
2020-03-28T05:47:35.945058+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/initializable.rb:60:in `run_initializers'
2020-03-28T05:47:35.945080+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/application.rb:363:in `initialize!'
2020-03-28T05:47:35.945082+00:00 app[web.1]: from /app/config/environment.rb:5:in `<main>'
2020-03-28T05:47:35.945082+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:35.945083+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:35.945086+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:35.945087+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:35.945087+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:35.945089+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/zeitwerk-2.3.0/lib/zeitwerk/kernel.rb:23:in `require'
2020-03-28T05:47:35.945092+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `block in require'
2020-03-28T05:47:35.945094+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:291:in `load_dependency'
2020-03-28T05:47:35.945096+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `require'
2020-03-28T05:47:35.945100+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:49:in `require_relative'
2020-03-28T05:47:35.945102+00:00 app[web.1]: from config.ru:3:in `block in <main>'
2020-03-28T05:47:35.945104+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:116:in `eval'
2020-03-28T05:47:35.945127+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:116:in `new_from_string'
2020-03-28T05:47:35.945128+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:105:in `load_file'
2020-03-28T05:47:35.945128+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/builder.rb:66:in `parse_file'
2020-03-28T05:47:35.945129+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:349:in `build_app_and_options_from_config'
2020-03-28T05:47:35.945132+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:249:in `app'
2020-03-28T05:47:35.945132+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:422:in `wrapped_app'
2020-03-28T05:47:35.945135+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:312:in `block in start'
2020-03-28T05:47:35.945137+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:379:in `handle_profiling'
2020-03-28T05:47:35.945139+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/rack-2.2.2/lib/rack/server.rb:311:in `start'
2020-03-28T05:47:35.945141+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:39:in `start'
2020-03-28T05:47:35.945163+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:147:in `block in perform'
2020-03-28T05:47:35.945164+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:138:in `tap'
2020-03-28T05:47:35.945164+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands/server/server_command.rb:138:in `perform'
2020-03-28T05:47:35.945164+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
2020-03-28T05:47:35.945167+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
2020-03-28T05:47:35.945168+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
2020-03-28T05:47:35.945171+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/command/base.rb:69:in `perform'
2020-03-28T05:47:35.945171+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/command.rb:46:in `invoke'
2020-03-28T05:47:35.945174+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/railties-6.0.2.2/lib/rails/commands.rb:18:in `<main>'
2020-03-28T05:47:35.945176+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
2020-03-28T05:47:35.945197+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
2020-03-28T05:47:35.945198+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
2020-03-28T05:47:35.945198+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
2020-03-28T05:47:35.945198+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
2020-03-28T05:47:35.945201+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `block in require'
2020-03-28T05:47:35.945201+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:291:in `load_dependency'
2020-03-28T05:47:35.945203+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.2.2/lib/active_support/dependencies.rb:325:in `require'
2020-03-28T05:47:35.945207+00:00 app[web.1]: from bin/rails:4:in `<main>'
2020-03-28T05:47:36.041261+00:00 heroku[web.1]: Process exited with status 1
I've pushed it up to github and done this command to link it with heroku:
git push heroku master
I've also done
heroku run rake db:migrate
I've been trying to figure it out for a while now but no luck. I know it probably has something to do with this but don't know why:
/app/app/unit_converter/lib/unit_converter.rb:2:in `<main>': UnitConverter is not a module (TypeError)
These are the only two places that I can see UnitConverter being used. The gem I created:
require 'singleton'
module UnitConverter
class ConversionError < StandardError
end
class Weight
include Singleton
# lookup table
CONVERSIONS = {
kg: {
pounds: 2.20462,
stone: 0.157473,
},
pounds: {
kg: 0.453592,
stone: 0.0714286
},
stone: {
kg: 6.35029,
pounds: 14
}
}
weight = Weight.instance
def convert(value, from, to:)
raise ConversionError, "Value is not numeric" unless value.is_a? Numeric
raise ConversionError, "Value #{value} is not positive" unless value >= 0
"#{value * conversion_ratio(from, to) }#{to.to_s}"
end
def conversions(value, unit)
CONVERSIONS[unit].keys.map do |other_unit|
convert(value, unit, to: other_unit)
end
end
private
def conversion_ratio(from, to)
begin
CONVERSIONS.fetch(from).fetch(to)
rescue KeyError
raise ConversionError, "Cannot convert #{from.to_s} to #{to.to_s}"
end
end
end
end
and when Im calling it in another class:
def converter
#input1 = params[:value]
#input2 = params[:unit]
#result = ::UnitConverter::Weight.instance.conversions(#input1.to_i, #input2.to_sym)
#measurements = Measurement.where(:user_id => current_user.id)
cookies[:email] = current_user.email
#email = cookies[:email]
render :index
end
Any suggestions?

Heroku deployment issue - can you help me find the error?

My app works perfectly locally but on deployment it crashes. My Heroku log is below, i've already fixed a few issues but am now struggling to find the culprit. I'm aware of the Devise warnings, however, I can't see these being the cause....
Can anyone spot the offending error?
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:55:in `block in run_initializers'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:54:in `each'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:54:in `run_initializers'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/application.rb:96:in `initialize!'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/railtie/configurable.rb:30:in `method_missing'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/config/environment.rb:5:in `<top (required)>'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `block in require'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:223:in `block in load_dependency'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:640:in `new_constants_in'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:223:in `load_dependency'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:51:in `instance_eval'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/config.ru:4:in `block in <main>'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:51:in `initialize'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/config.ru:1:in `<main>'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/config.ru:1:in `new'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:40:in `eval'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:40:in `parse_file'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:200:in `app'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands/server.rb:46:in `app'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:301:in `wrapped_app'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:252:in `start'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands/server.rb:70:in `start'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:54:in `block in <top (required)>'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:49:in `tap'
2012-04-13T09:10:48+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:49:in `<top (required)>'
2012-04-13T09:10:48+00:00 app[web.1]: from script/rails:6:in `require'
2012-04-13T09:10:48+00:00 app[web.1]: from script/rails:6:in `<main>'
2012-04-13T09:10:49+00:00 heroku[web.1]: Process exited with status 1
2012-04-13T09:10:49+00:00 heroku[web.1]: State changed from starting to crashed
2012-04-13T09:10:49+00:00 heroku[web.1]: State changed from crashed to created
2012-04-13T09:10:49+00:00 heroku[web.1]: State changed from created to starting
2012-04-13T09:10:58+00:00 heroku[web.1]: Starting process with command `bundle exec rails server -p 48016`
2012-04-13T09:11:08+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.1.2/lib/action_dispatch/http/mime_type.rb:101: warning: already initialized constant PDF
2012-04-13T09:11:08+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.1.2/lib/action_dispatch/http/mime_type.rb:101: warning: already initialized constant PDF
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:09+00:00 app[web.1]: [DEVISE] Devise.case_insensitive_keys is false which is no longer supported. If you want to continue running on this mode, please ensure you are not using validatable (you can copy the validations directly to your model) and set case_insensitive_keys to an empty array.
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:09+00:00 app[web.1]: [DEVISE] Devise.use_salt_as_remember_token is false which is no longer supported. Devise now only uses the salt as remember token and the remember_token column can be removed from your models.
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:09+00:00 app[web.1]: [DEVISE] Devise.reset_password_within is nil. Please set this value to an interval (for example, 6.hours) and add a reset_password_sent_at field to your Devise models (if they don't have one already).
2012-04-13T09:11:09+00:00 app[web.1]:
2012-04-13T09:11:13+00:00 app[web.1]: => Booting WEBrick
2012-04-13T09:11:13+00:00 app[web.1]: => Rails 3.1.2 application starting in production on http://0.0.0.0:48016
2012-04-13T09:11:13+00:00 app[web.1]: => Call with -d to detach
2012-04-13T09:11:13+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-04-13T09:11:13+00:00 app[web.1]: Exiting
2012-04-13T09:11:13+00:00 app[web.1]: from /app/app/models/press.rb:1:in `<top (required)>'
2012-04-13T09:11:13+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.1.2/lib/active_record/base.rb:1088:in `method_missing': undefined method `to' for #<Class:0x00000005f87690> (NoMethodError)
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:225:in `load_dependency'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/app/models/press.rb:2:in `<class:Press>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `block in require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:348:in `require_or_load'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:302:in `depend_on'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:214:in `require_dependency'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/engine.rb:417:in `block (2 levels) in eager_load!'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/engine.rb:416:in `each'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/engine.rb:416:in `block in eager_load!'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/engine.rb:414:in `each'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/engine.rb:414:in `eager_load!'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/application/finisher.rb:51:in `block in <module:Finisher>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:30:in `instance_exec'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:30:in `run'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:55:in `block in run_initializers'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:54:in `each'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/initializable.rb:54:in `run_initializers'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/config/environment.rb:5:in `<top (required)>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/application.rb:96:in `initialize!'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/railtie/configurable.rb:30:in `method_missing'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `block in require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:223:in `block in load_dependency'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:640:in `new_constants_in'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:223:in `load_dependency'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.1.2/lib/active_support/dependencies.rb:240:in `require'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/config.ru:4:in `block in <main>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:51:in `instance_eval'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:51:in `initialize'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/config.ru:1:in `new'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/config.ru:1:in `<main>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:40:in `eval'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/builder.rb:40:in `parse_file'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:200:in `app'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands/server.rb:46:in `app'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:301:in `wrapped_app'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.3.5/lib/rack/server.rb:252:in `start'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands/server.rb:70:in `start'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:54:in `block in <top (required)>'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:49:in `tap'
2012-04-13T09:11:13+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.2/lib/rails/commands.rb:49:in `<top (required)>'
2012-04-13T09:11:13+00:00 app[web.1]: from script/rails:6:in `require'
2012-04-13T09:11:13+00:00 app[web.1]: from script/rails:6:in `<main>'
2012-04-13T09:11:14+00:00 heroku[web.1]: Process exited with status 1
2012-04-13T09:11:14+00:00 heroku[web.1]: State changed from starting to crashed
2012-04-13T09:11:17+00:00 heroku[router]: Error H10 (App crashed) -> GET gentle-lightning-5246.herokuapp.com/ dyno= queue= wait= service= status=503 bytes=

You need to add config.assets.initialize_on_precompile = false in config/application.rb. It doesn't work in config/environments/production.rb

Railstutorial - App is working fine on local server but when I push to heroku I get application error

I'm doing the railstutorial by mike hartl and so far it's going well. How ever I'm stuck on lesson 7 conclusion.
I have basically got everything working, all rsync tests are passing and everything is working. I commit and push to GIT then push to heroko.
I use heroku open to open my app and the page that comes up gives me 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.
Here are my heroku logs:
[sample_app (master)]$ heroku logs
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:108:in `eager_load!'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application/finisher.rb:41:in `block in <module:Finisher>'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `instance_exec'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `run'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:50:in `block in run_initializers'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:49:in `each'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:49:in `run_initializers'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:134:in `initialize!'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:77:in `method_missing'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/config/environment.rb:5:in `<top (required)>'
2011-07-08T12:08:04+00:00 app[web.1]: from <internal:lib/rubygems/custom_require>:29:in `require'
2011-07-08T12:08:04+00:00 app[web.1]: from <internal:lib/rubygems/custom_require>:29:in `require'
2011-07-08T12:08:04+00:00 app[web.1]: from config.ru:3:in `block (3 levels) in <main>'
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:23:in `ev
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:18:in `block (2 levels) in <main>'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:11:in `new'
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:11:in `block in <main>'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
2011-07-08T12:08:04+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:1:in `new'
2011-07-08T12:08:04+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:1:in `<main>'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/rack/adapter/loader.rb:36:in `eval'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/rack/adapter/loader.rb:36:in `load'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/thin/controllers/controller.rb:175:in `load_rackup_config'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/thin/controllers/controller.rb:65:in `start'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/thin/runner.rb:177:in `run_command'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/lib/thin/runner.rb:143:in `run!'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/lib/ruby/gems/1.9.1/gems/thin-1.2.6/bin/thin:6:in `<top (required)>'
2011-07-08T12:08:04+00:00 app[web.1]: from /usr/ruby1.9.2/bin/thin:19:in `load'
2011-07-08T12:08:04+00:00 heroku[web.1]: Process exited
2011-07-08T12:08:05+00:00 heroku[web.1]: State changed from starting to crashed
2011-07-08T12:18:20+00:00 heroku[web.1]: State changed from crashed to created
2011-07-08T12:18:20+00:00 heroku[web.1]: State changed from created to starting
2011-07-08T12:18:43+00:00 heroku[web.1]: Starting process with command: `thin -p 16326 -e production -R /home/heroku_rack/heroku.ru start`
2011-07-08T12:18:47+00:00 app[web.1]: /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:304:in `rescue in depend_on': Missing helper file helpers/factory_girl.rb (LoadError)
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:299:in `depend_on'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:216:in `require_dependency'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/abstract_controller/helpers.rb:148:in `block in modules_for_helpers'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/abstract_controller/helpers.rb:144:in `map!'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/abstract_controller/helpers.rb:144:in `modules_for_helpers'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/action_controller/metal/helpers.rb:101:in `modules_for_helpers'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/abstract_controller/helpers.rb:97:in `helper'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.0.9/lib/action_controller/base.rb:228:in `inherited'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/app/controllers/application_controller.rb:1:in `<top (required)>'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:239:in `require'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:239:in `block in require'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:227:in `load_dependency'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:239:in `require'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:346:in `require_or_load'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:300:in `depend_on'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:216:in `require_dependency'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:138:in `block (2 levels) in eager_load!'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:137:in `each'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:137:in `block in eager_load!'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:135:in `each'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:135:in `eager_load!'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:108:in `eager_load!'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application/finisher.rb:41:in `block in <module:Finisher>'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `instance_exec'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `run'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:50:in `block in run_initializers'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:49:in `each'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
2011-07-08T12:18:47+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
2011-07-08T12:18:47+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:11:in `new'
2011-07-08T12:18:47+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:11:in `block in <main>'
2011-07-08T12:18:47+00:00 heroku[web.1]: Process exited
2011-07-08T12:18:47+00:00 heroku[web.1]: State changed from starting to crashed
2011-07-08T12:28:34+00:00 heroku[web.1]: State changed from crashed to created
2011-07-08T12:28:34+00:00 heroku[web.1]: State changed from created to starting
2011-07-08T12:28:46+00:00 heroku[web.1]: Starting process with command: `thin -p 51125 -e production -R /home/heroku_rack/heroku.ru start`
2011-07-08T12:28:49+00:00 app[web.1]: /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:304:in `rescue in depend_on': No such file to load -- factory_girl (LoadError)
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:299:in `depend_on'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.0.9/lib/active_support/dependencies.rb:216:in `require_dependency'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:138:in `block (2 levels) in eager_load!'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:137:in `each'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:135:in `each'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/engine.rb:135:in `eager_load!'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:108:in `eager_load!'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application/finisher.rb:41:in `block in <module:Finisher>'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `instance_exec'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:25:in `run'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:50:in `block in run_initializers'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:49:in `each'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/initializable.rb:49:in `run_initializers'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:134:in `initialize!'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:77:in `method_missing'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/config/environment.rb:5:in `<top (required)>'
2011-07-08T12:28:49+00:00 app[web.1]: from <internal:lib/rubygems/custom_require>:29:in `require'
2011-07-08T12:28:49+00:00 app[web.1]: from <internal:lib/rubygems/custom_require>:29:in `require'
2011-07-08T12:28:49+00:00 app[web.1]: from config.ru:3:in `block (3 levels) in <main>'
2011-07-08T12:28:49+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:23:in `eval'
2011-07-08T12:28:49+00:00 app[web.1]: from /home/heroku_rack/heroku.ru:23:in `block (3 levels) in <main>'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
2011-07-08T12:28:49+00:00 app[web.1]: from /app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
2011-07-08T12:28:49+00:00 heroku[web.1]: Process exited
2011-07-08T12:28:50+00:00 heroku[web.1]: State changed from starting to crashed

Are you sure you have your factory_girl.rb in the helpers directory? Is your Gemfile up2date?
It may be possible it's not tracked yet, thus your push ignored it.

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