Can't deploy to heroku

And then I tried below, push is rejected 。゚(゚´Д`゚)゚。

$git push heroku master

Counting objects: 329047, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (120287/120287), done.
Writing objects: 100% (329047/329047), 215.38 MiB | 1.26 MiB/s, done.
Total 329047 (delta 205146), reused 329002 (delta 205108)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.4.4
remote: -----> Installing dependencies using bundler 1.15.2
remote:        Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
remote:        Warning: the running version of Bundler (1.15.2) is older than the version that created the lockfile (1.16.2). We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
remote:        Fetching gem metadata from https://rubygems.org/.......
remote:        Fetching version metadata from https://rubygems.org/..
remote:        Fetching dependency metadata from https://rubygems.org/.
remote:        Fetching rake 12.3.1
remote:        Fetching concurrent-ruby 1.0.5
remote:        Fetching minitest 5.11.3
remote:        Installing minitest 5.11.3
remote:        Installing rake 12.3.1
remote:        Installing concurrent-ruby 1.0.5
remote:        Fetching thread_safe 0.3.6
remote:        Fetching builder 3.2.3
remote:        Installing thread_safe 0.3.6
remote:        Installing builder 3.2.3
remote:        Fetching erubi 1.7.1
remote:        Fetching mini_portile2 2.3.0
remote:        Fetching crass 1.0.4
remote:        Installing erubi 1.7.1
remote:        Installing mini_portile2 2.3.0
remote:        Fetching rack 2.0.5
remote:        Installing crass 1.0.4
remote:        Fetching mini_mime 1.0.0
remote:        Installing mini_mime 1.0.0
remote:        Fetching arel 9.0.0
remote:        Installing rack 2.0.5
remote:        Fetching aws-eventstream 1.0.1
remote:        Installing arel 9.0.0
remote:        Installing aws-eventstream 1.0.1
remote:        Fetching aws-partitions 1.92.0
remote:        Installing aws-partitions 1.92.0
remote:        Fetching aws-sigv4 1.0.2
remote:        Installing aws-sigv4 1.0.2
remote:        Fetching jmespath 1.4.0
remote:        Fetching ember-source 2.13.3
remote:        Installing jmespath 1.4.0
remote:        Fetching execjs 2.7.0
remote:        Installing execjs 2.7.0
remote:        Fetching msgpack 1.2.4
remote:        Using bundler 1.15.2
remote:        Fetching chunky_png 1.3.10
remote:        Installing msgpack 1.2.4 with native extensions
remote:        Installing chunky_png 1.3.10
remote:        Installing ember-source 2.13.3
remote:        Fetching coderay 1.1.2
remote:        Installing coderay 1.1.2
remote:        Fetching connection_pool 2.2.2
remote:        Installing connection_pool 2.2.2
remote:        Fetching cppjieba_rb 0.3.0
remote:        Fetching exifr 1.3.4
remote:        Installing exifr 1.3.4
remote:        Fetching fspath 3.1.0
remote:        Installing fspath 3.1.0
remote:        Fetching image_size 1.5.0
remote:        Installing image_size 1.5.0
remote:        Fetching in_threads 1.5.0
remote:        Installing in_threads 1.5.0
remote:        Fetching progress 3.4.0
remote:        Installing progress 3.4.0
remote:        Fetching email_reply_trimmer 0.1.12
remote:        Installing email_reply_trimmer 0.1.12
remote:        Fetching method_source 0.8.2
remote:        Installing method_source 0.8.2
remote:        Fetching thor 0.19.4
remote:        Installing thor 0.19.4
remote:        Fetching excon 0.62.0
remote:        Installing excon 0.62.0
remote:        Installing cppjieba_rb 0.3.0 with native extensions
remote:        Fetching multipart-post 2.0.0
remote:        Installing multipart-post 2.0.0
remote:        Fetching fast_blank 1.0.0
remote:        Installing fast_blank 1.0.0 with native extensions
remote:        Fetching fast_xs 0.8.0
remote:        Installing fast_xs 0.8.0 with native extensions
remote:        Fetching fastimage 2.1.3
remote:        Installing fastimage 2.1.3
remote:        Fetching ffi 1.9.25
remote:        Installing ffi 1.9.25 with native extensions
remote:        Fetching flamegraph 0.9.5
remote:        Installing flamegraph 0.9.5
remote:        Fetching gc_tracer 1.5.1
remote:        Installing gc_tracer 1.5.1 with native extensions
remote:        Fetching guess_html_encoding 0.0.11
remote:        Installing guess_html_encoding 0.0.11
remote:        Fetching hashie 3.5.7
remote:        Installing hashie 3.5.7
remote:        Fetching highline 2.0.0
remote:        Installing highline 2.0.0
remote:        Fetching hiredis 0.6.1
remote:        Installing hiredis 0.6.1 with native extensions
remote:        Fetching hkdf 0.3.0
remote:        Installing hkdf 0.3.0
remote:        Fetching htmlentities 4.3.4
remote:        Installing htmlentities 4.3.4
remote:        Fetching http_accept_language 2.0.5
remote:        Installing http_accept_language 2.0.5
remote:        Fetching jwt 1.5.6
remote:        Installing jwt 1.5.6
remote:        Fetching kgio 2.11.2
remote:        Installing kgio 2.11.2 with native extensions
remote:        Fetching libv8 6.3.292.48.1 (x86_64-linux)
remote:        Installing libv8 6.3.292.48.1 (x86_64-linux)
remote:        Fetching logstash-event 1.2.02
remote:        Installing logstash-event 1.2.02
remote:        Fetching logster 1.2.9
remote:        Fetching lru_redux 1.1.0
remote:        Installing lru_redux 1.1.0
remote:        Fetching memory_profiler 0.9.10
remote:        Installing logster 1.2.9
remote:        Installing memory_profiler 0.9.10
remote:        Fetching moneta 1.0.0
remote:        Installing moneta 1.0.0
remote:        Fetching multi_json 1.13.1
remote:        Installing multi_json 1.13.1
remote:        Fetching multi_xml 0.6.0
remote:        Installing multi_xml 0.6.0
remote:        Fetching mustache 1.0.5
remote:        Installing mustache 1.0.5
remote:        Fetching oauth 0.5.4
remote:        Fetching oj 3.6.2
remote:        Installing oauth 0.5.4
remote:        Installing oj 3.6.2 with native extensions
remote:        Fetching ruby-openid 2.7.0
remote:        Installing ruby-openid 2.7.0
remote:        Fetching redis 4.0.1
remote:        Installing redis 4.0.1
remote:        Fetching pg 0.21.0
remote:        Installing pg 0.21.0 with native extensions
remote:        Fetching slop 3.6.0
remote:        Installing slop 3.6.0
remote:        Fetching puma 3.11.4
remote:        Installing puma 3.11.4 with native extensions
remote:        Fetching r2 0.2.7
remote:        Installing r2 0.2.7
remote:        Fetching raindrops 0.19.0
remote:        Installing raindrops 0.19.0 with native extensions
remote:        Fetching rb-fsevent 0.10.3
remote:        Installing rb-fsevent 0.10.3
remote:        Fetching trollop 2.1.2
remote:        Installing trollop 2.1.2
remote:        Fetching rinku 2.0.4
remote:        Installing rinku 2.0.4 with native extensions
remote:        Fetching rotp 3.3.1
remote:        Installing rotp 3.3.1
remote:        Fetching rtlit 0.0.5
remote:        Installing rtlit 0.0.5
remote:        Fetching sshkey 1.9.0
remote:        Installing sshkey 1.9.0
remote:        Fetching stackprof 0.2.11
remote:        Installing stackprof 0.2.11 with native extensions
remote:        Fetching tilt 2.0.8
remote:        Installing tilt 2.0.8
remote:        Fetching unf_ext 0.0.7.5
remote:        Installing unf_ext 0.0.7.5 with native extensions
remote:        Fetching rake-compiler 1.0.4
remote:        Installing rake-compiler 1.0.4
remote:        Fetching i18n 1.0.1
remote:        Installing i18n 1.0.1
remote:        Fetching tzinfo 1.2.5
remote:        Installing tzinfo 1.2.5
remote:        Fetching nokogiri 1.8.3
remote:        Installing nokogiri 1.8.3 with native extensions
remote:        Fetching mail 2.7.1.rc1
remote:        Installing mail 2.7.1.rc1
remote:        Fetching aws-sdk-core 3.21.2
remote:        Installing aws-sdk-core 3.21.2
remote:        Fetching uglifier 4.1.11
remote:        Installing uglifier 4.1.11
remote:        Fetching rack-test 1.0.0
remote:        Installing rack-test 1.0.0
remote:        Fetching sprockets 3.7.2
remote:        Installing sprockets 3.7.2
remote:        Fetching request_store 1.4.1
remote:        Installing request_store 1.4.1
remote:        Fetching message_bus 2.1.5
remote:        Installing message_bus 2.1.5
remote:        Fetching rack-mini-profiler 1.0.0
remote:        Installing rack-mini-profiler 1.0.0
remote:        Fetching rack-protection 2.0.3
remote:        Installing rack-protection 2.0.3
remote:        Fetching rqrcode 0.10.1
remote:        Installing rqrcode 0.10.1
remote:        Fetching barber 0.12.0
remote:        Installing barber 0.12.0
remote:        Fetching ember-data-source 3.0.2
remote:        Installing ember-data-source 3.0.2
remote:        Fetching discourse_image_optim 0.24.5
remote:        Installing discourse_image_optim 0.24.5
remote:        Fetching faraday 0.12.2
remote:        Installing faraday 0.12.2
remote:        Fetching bootsnap 1.3.0
remote:        Installing bootsnap 1.3.0 with native extensions
remote:        Fetching mini_suffix 0.3.0
remote:        Installing mini_suffix 0.3.0
remote:        Fetching rb-inotify 0.9.10
remote:        Installing rb-inotify 0.9.10
remote:        Fetching omniauth 1.8.1
remote:        Installing omniauth 1.8.1
remote:        Fetching webpush 0.3.2
remote:        Installing webpush 0.3.2
remote:        Fetching mini_racer 0.1.15
remote:        Installing mini_racer 0.1.15 with native extensions
remote:        Fetching logstash-logger 0.26.1
remote:        Installing logstash-logger 0.26.1
remote:        Fetching rack-openid 1.3.1
remote:        Installing rack-openid 1.3.1
remote:        Fetching openid-redis-store 0.0.2
remote:        Installing openid-redis-store 0.0.2
remote:        Fetching redis-namespace 1.6.0
remote:        Installing redis-namespace 1.6.0
remote:        Fetching pry 0.10.4
remote:        Installing pry 0.10.4
remote:        Fetching rbtrace 0.4.10
remote:        Installing rbtrace 0.4.10 with native extensions
remote:        Fetching unicorn 5.4.0
remote:        Installing unicorn 5.4.0 with native extensions
remote:        Fetching fast_xor 1.1.3
remote:        Installing fast_xor 1.1.3 with native extensions
remote:        Fetching activesupport 5.2.0
remote:        Installing activesupport 5.2.0
remote:        Fetching aws-sdk-kms 1.5.0
remote:        Installing aws-sdk-kms 1.5.0
remote:        Fetching sidekiq 5.1.3
remote:        Installing sidekiq 5.1.3
remote:        Fetching ember-handlebars-template 0.7.5
remote:        Installing ember-handlebars-template 0.7.5
remote:        Fetching oauth2 1.4.0
remote:        Installing oauth2 1.4.0
remote:        Fetching unf 0.1.4
remote:        Installing unf 0.1.4
remote:        Fetching sass-listen 4.0.0
remote:        Installing sass-listen 4.0.0
remote:        Fetching omniauth-oauth 1.1.0
remote:        Installing omniauth-oauth 1.1.0
remote:        Fetching loofah 2.2.2
remote:        Installing loofah 2.2.2
remote:        Fetching nokogumbo 1.5.0
remote:        Installing nokogumbo 1.5.0 with native extensions
remote:        Fetching ruby-readability 0.7.0
remote:        Installing ruby-readability 0.7.0
remote:        Fetching omniauth-openid 1.0.1
remote:        Installing omniauth-openid 1.0.1
remote:        Fetching pry-rails 0.3.6
remote:        Installing pry-rails 0.3.6
remote:        Fetching rails-dom-testing 2.0.3
remote:        Installing rails-dom-testing 2.0.3
remote:        Fetching globalid 0.4.1
remote:        Installing globalid 0.4.1
remote:        Fetching activemodel 5.2.0
remote:        Installing activemodel 5.2.0
remote:        Fetching aws-sdk-s3 1.14.0
remote:        Fetching omniauth-oauth2 1.5.0
remote:        Installing omniauth-oauth2 1.5.0
remote:        Installing aws-sdk-s3 1.14.0
remote:        Fetching sass 3.5.6
remote:        Installing sass 3.5.6
remote:        Fetching omniauth-twitter 1.4.0
remote:        Installing omniauth-twitter 1.4.0
remote:        Fetching rails-html-sanitizer 1.0.4
remote:        Installing rails-html-sanitizer 1.0.4
remote:        Fetching activejob 5.2.0
remote:        Installing activejob 5.2.0
remote:        Fetching active_model_serializers 0.8.4
remote:        Installing active_model_serializers 0.8.4
remote:        Fetching activerecord 5.2.0
remote:        Installing activerecord 5.2.0
remote:        Fetching omniauth-facebook 5.0.0
remote:        Installing omniauth-facebook 5.0.0
remote:        Fetching omniauth-github 1.3.0
remote:        Installing omniauth-github 1.3.0
remote:        Fetching omniauth-google-oauth2 0.5.3
remote:        Installing omniauth-google-oauth2 0.5.3
remote:        Fetching omniauth-instagram 1.3.0
remote:        Installing omniauth-instagram 1.3.0
remote:        Fetching actionview 5.2.0
remote:        Installing actionview 5.2.0
remote:        Fetching sassc 1.11.4
remote:        Installing sassc 1.11.4 with native extensions
remote:        Fetching seed-fu 2.3.9
remote:        Installing seed-fu 2.3.9
remote:        Fetching actionpack 5.2.0
remote:        Installing actionpack 5.2.0
remote:        Fetching actionmailer 5.2.0
remote:        Installing actionmailer 5.2.0
remote:        Fetching railties 5.2.0
remote:        Installing railties 5.2.0
remote:        Fetching sprockets-rails 3.2.1
remote:        Installing sprockets-rails 3.2.1
remote:        Fetching jquery-rails 4.3.3
remote:        Installing jquery-rails 4.3.3
remote:        Fetching lograge 0.10.0
remote:        Installing lograge 0.10.0
remote:        Fetching rails_multisite 2.0.5
remote:        Installing rails_multisite 2.0.5
remote:        Fetching ember-rails 0.18.5
remote:        Installing ember-rails 0.18.5
remote:        Fetching sanitize 4.6.5
remote:        Installing sanitize 4.6.5
remote:        Fetching onebox 1.8.48
remote:        Installing onebox 1.8.48
remote:        Bundle complete! 107 Gemfile dependencies, 148 gems now installed.
remote:        Gems in the groups development and test were not installed.
remote:        Bundled gems are installed into ./vendor/bundle.
remote:        Post-install message from discourse_image_optim:
remote:        Rails image assets optimization is extracted into image_optim_rails gem
remote:        You can safely remove `config.assets.image_optim = false` if you are not going to use that gem
remote:        Bundle completed (192.18s)
remote:        Cleaning up the bundler cache.
remote: -----> Installing node-v8.10.0-linux-x64
remote: -----> Detecting rake tasks
remote: -----> Preparing app for Rails asset pipeline
remote:        Running: rake assets:precompile
remote:        Failed to report error: Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED) 2 Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED) subscribe failed, reconnecting in 1 second. Call stack ["/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:344:in `rescue in establish_connection'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:328:in `establish_connection'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:99:in `block in connect'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:291:in `with_reconnect'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:98:in `connect'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:274:in `with_socket_timeout'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:131:in `call_loop'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/subscribe.rb:43:in `subscription'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/subscribe.rb:12:in `subscribe'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:2824:in `_subscription'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:2192:in `block in subscribe'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `block in synchronize'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/ruby-2.4.4/lib/ruby/2.4.0/monitor.rb:214:in `mon_synchronize'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `synchronize'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:2191:in `subscribe'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.5/lib/message_bus/backends/redis.rb:337:in `global_subscribe'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.5/lib/message_bus.rb:530:in `global_subscribe_thread'", "/tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/message_bus-2.1.5/lib/message_bus.rb:478:in `block in new_subscriber_thread'"] 
remote:        fatal: Not a git repository (or any parent up to mount point /tmp)
remote:        Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
remote:        rake aborted!
remote:        Redis::CannotConnectError: Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED)
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:344:in `rescue in establish_connection'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:328:in `establish_connection'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:99:in `block in connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:291:in `with_reconnect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:98:in `connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:363:in `ensure_connected'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:219:in `block in process'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:304:in `logging'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:218:in `process'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:118:in `call'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:523:in `block in del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `block in synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:522:in `del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:200:in `block in del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:153:in `ignore_readonly'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:198:in `del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/cache.rb:57:in `delete_entry'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:457:in `block in delete'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:663:in `block in instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/notifications.rb:170:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:663:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:456:in `delete'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:366:in `clear_cache!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:262:in `block in refresh!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:243:in `synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:243:in `refresh!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:408:in `block in setup_methods'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/config/initializers/004-message_bus.rb:99:in `<top (required)>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `block in load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:249:in `load_dependency'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:657:in `block in load_config_initializer'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/notifications.rb:170:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:656:in `load_config_initializer'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:614:in `block (2 levels) in <class:Engine>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:613:in `each'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:613:in `block in <class:Engine>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:32:in `instance_exec'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:32:in `run'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:61:in `block in run_initializers'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:50:in `each'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:50:in `tsort_each_child'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:60:in `run_initializers'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:361:in `initialize!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/railtie.rb:190:in `public_send'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/railtie.rb:190:in `method_missing'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/config/environment.rb:5:in `<top (required)>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `block in require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:249:in `load_dependency'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:337:in `require_environment!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:520:in `block in run_tasks_blocks'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.1/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/rake-12.3.1/exe/rake:27:in `<top (required)>'
remote:        
remote:        Caused by:
remote:        Errno::ECONNREFUSED: Connection refused
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/connection/hiredis.rb:19:in `connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/connection/hiredis.rb:19:in `connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:334:in `establish_connection'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:99:in `block in connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:291:in `with_reconnect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:98:in `connect'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:363:in `ensure_connected'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:219:in `block in process'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:304:in `logging'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:218:in `process'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis/client.rb:118:in `call'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:523:in `block in del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `block in synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:45:in `synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/redis-4.0.1/lib/redis.rb:522:in `del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:200:in `block in del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:153:in `ignore_readonly'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/discourse_redis.rb:198:in `del'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/cache.rb:57:in `delete_entry'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:457:in `block in delete'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:663:in `block in instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/notifications.rb:170:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:663:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/cache.rb:456:in `delete'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:366:in `clear_cache!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:262:in `block in refresh!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:243:in `synchronize'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:243:in `refresh!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/lib/site_setting_extension.rb:408:in `block in setup_methods'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/config/initializers/004-message_bus.rb:99:in `<top (required)>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `block in load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:249:in `load_dependency'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:277:in `load'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:657:in `block in load_config_initializer'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/notifications.rb:170:in `instrument'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:656:in `load_config_initializer'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:614:in `block (2 levels) in <class:Engine>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:613:in `each'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/engine.rb:613:in `block in <class:Engine>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:32:in `instance_exec'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:32:in `run'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:61:in `block in run_initializers'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:50:in `each'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:50:in `tsort_each_child'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/initializable.rb:60:in `run_initializers'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:361:in `initialize!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/railtie.rb:190:in `public_send'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/railtie.rb:190:in `method_missing'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/config/environment.rb:5:in `<top (required)>'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `block in require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:249:in `load_dependency'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `require'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:337:in `require_environment!'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/railties-5.2.0/lib/rails/application.rb:520:in `block in run_tasks_blocks'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.1/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
remote:        /tmp/build_beaac955e02f94daadc08de67252d52b/vendor/bundle/ruby/2.4.0/gems/rake-12.3.1/exe/rake:27:in `<top (required)>'
remote:        Tasks: TOP => environment
remote:        (See full trace by running task with --trace)
remote:  !
remote:  !     Precompiling assets failed.
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !	Push rejected to project_name.
remote: 
To https://git.heroku.com/project_name.git
 ! [remote rejected]       master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/project_name.git'