heroku failed deploy

-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.4.4
-----> Installing dependencies using bundler 1.15.2
       Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
       Fetching gem metadata from https://rails-assets.org/...
       Fetching gem metadata from https://rubygems.org/.........
       Fetching version metadata from https://rails-assets.org/..
       Fetching version metadata from https://rubygems.org/..
       Fetching dependency metadata from https://rails-assets.org/..
       Fetching dependency metadata from https://rubygems.org/.
       Fetching gem metadata from https://rails-assets.org/...
       Fetching version metadata from https://rails-assets.org/..
       Using rake 12.3.1
       Using concurrent-ruby 1.0.5
       Using minitest 5.11.3
       Using thread_safe 0.3.6
       Using builder 3.2.3
       Using erubis 2.7.0
       Using mini_portile2 2.3.0
       Using crass 1.0.4
       Using rack 2.0.5
       Using nio4r 2.3.1
       Using websocket-extensions 0.1.3
       Using mini_mime 1.0.1
       Using arel 7.1.4
       Using execjs 2.7.0
       Using bcrypt 3.1.12
       Using rb-fsevent 0.10.3
       Using ffi 1.9.25
       Using bundler 1.15.2
       Using mime-types-data 3.2016.0521
       Using coffee-script-source 1.12.2
       Using method_source 0.9.0
       Using thor 0.20.0
       Using orm_adapter 0.5.0
       Using excon 0.62.0
       Using formatador 0.2.5
       Using multi_json 1.13.1
       Using ipaddress 0.8.3
       Using geocoder 1.5.0
       Using pg 1.1.3
       Using popper_js 1.11.1
       Using puma 3.12.0
       Using rails-assets-tether 1.4.3
       Using tilt 2.0.8
       Using turbolinks-source 5.2.0
       Using will_paginate 3.1.6
       Using tzinfo 1.2.5
       Using i18n 1.1.0
       Using nokogiri 1.8.4
       Using rack-test 0.6.3
       Using warden 1.2.7
       Using sprockets 3.7.2
       Using mail 2.7.0
       Using autoprefixer-rails 9.1.4
       Using uglifier 4.1.19
       Using rb-inotify 0.9.10
       Using websocket-driver 0.6.5
       Using mime-types 3.1
       Using coffee-script 2.4.1
       Using figaro 1.1.1
       Using turbolinks 5.2.0
       Using activesupport 5.0.7
       Using loofah 2.2.2
       Using fog-core 2.1.2
       Using sass-listen 4.0.0
       Using rails-html-sanitizer 1.0.4
       Using fog-json 1.2.0
       Using fog-xml 0.1.3
       Using sass 3.5.7
       Using rails-dom-testing 2.0.3
       Using globalid 0.4.1
       Using activemodel 5.0.7
       Using jbuilder 2.7.0
       Using fog-aws 3.3.0
       Using actionview 5.0.7
       Using activejob 5.0.7
       Using activerecord 5.0.7
       Using carrierwave 1.2.3
       Using actionpack 5.0.7
       Using bootstrap 4.0.0.alpha6
       Using actioncable 5.0.7
       Using actionmailer 5.0.7
       Using railties 5.0.7
       Using sprockets-rails 3.2.1
       Using simple_form 4.0.1
       Using coffee-rails 4.2.2
       Using responders 2.4.0
       Using font-awesome-rails 4.7.0.4
       Using jquery-rails 4.3.3
       Using rails 5.0.7
       Using sass-rails 5.0.7
       Using devise 4.5.0
       Bundle complete! 26 Gemfile dependencies, 81 gems now installed.
       Gems in the groups development and test were not installed.
       Bundled gems are installed into ./vendor/bundle.
       Bundle completed (3.78s)
       Cleaning up the bundler cache.
       The latest bundler is 1.17.0.pre.1, but you are currently running 1.15.2.
       To update, run `gem install bundler --pre`
-----> Installing node-v8.10.0-linux-x64
-----> Detecting rake tasks
-----> Preparing app for Rails asset pipeline
       Running: rake assets:precompile
       rake aborted!
       LoadError: Unable to autoload constant ApplicationRecord, expected /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/app/models/application_record.rb to define it
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:513:in `load_missing_constant'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:203:in `const_missing'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/app/models/user.rb:1:in `<top (required)>'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `block in require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:259:in `load_dependency'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:380:in `block in require_or_load'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:37:in `block in load_interlock'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies/interlock.rb:12:in `block in loading'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/concurrency/share_lock.rb:150:in `exclusive'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies/interlock.rb:11:in `loading'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:37:in `load_interlock'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:358:in `require_or_load'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:512:in `load_missing_constant'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:203:in `const_missing'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/inflector/methods.rb:268:in `const_get'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/inflector/methods.rb:268:in `block in constantize'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/inflector/methods.rb:266:in `each'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/inflector/methods.rb:266:in `inject'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/inflector/methods.rb:266:in `constantize'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:584:in `get'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:615:in `constantize'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise.rb:316:in `get'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/mapping.rb:83:in `to'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/mapping.rb:78:in `modules'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/mapping.rb:95:in `routes'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/mapping.rb:162:in `default_used_route'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/mapping.rb:72:in `initialize'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise.rb:346:in `new'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise.rb:346:in `add_mapping'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/rails/routes.rb:243:in `block in devise_for'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/rails/routes.rb:242:in `each'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/devise-4.5.0/lib/devise/rails/routes.rb:242:in `devise_for'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/config/routes.rb:2:in `block in <top (required)>'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/actionpack-5.0.7/lib/action_dispatch/routing/route_set.rb:391:in `instance_exec'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/actionpack-5.0.7/lib/action_dispatch/routing/route_set.rb:391:in `eval_block'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/actionpack-5.0.7/lib/action_dispatch/routing/route_set.rb:373:in `draw'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/config/routes.rb:1:in `<top (required)>'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:287:in `load'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:287:in `block in load'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:259:in `load_dependency'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:287:in `load'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:40:in `block in load_paths'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:40:in `each'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:40:in `load_paths'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:16:in `reload!'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:26:in `block in updater'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/file_update_checker.rb:77:in `execute'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:27:in `updater'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application/finisher.rb:119:in `block in <module:Finisher>'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/initializable.rb:30:in `instance_exec'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/initializable.rb:30:in `run'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/initializable.rb:55:in `block in run_initializers'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/initializable.rb:54:in `run_initializers'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application.rb:352:in `initialize!'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/config/environment.rb:5:in `<top (required)>'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `block in require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:259:in `load_dependency'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.7/lib/active_support/dependencies.rb:293:in `require'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application.rb:328:in `require_environment!'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/railties-5.0.7/lib/rails/application.rb:448:in `block in run_tasks_blocks'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.1/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
       /tmp/build_5d0bb0a410c41ad5ecefe35e0f364fe8/vendor/bundle/ruby/2.4.0/gems/rake-12.3.1/exe/rake:27:in `<top (required)>'
       Tasks: TOP => environment
       (See full trace by running task with --trace)
 !
 !     Precompiling assets failed.
 !
 !     Push rejected, failed to compile Ruby app.
 !     Push failed