ActionController::RoutingError: No route matches [GET] "/robots.txt"

[closer]

View details in Rollbar: https://rollbar.com/freeza/freeza/items/17/

ActionController::RoutingError: No route matches [GET] "/robots.txt"
  File "/app/vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.6/lib/action_dispatch/middleware/debug_exceptions.rb", line 21, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/rollbar-1.2.4/lib/rollbar/middleware/rails/show_exceptions.rb", line 17, in call_with_rollbar
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.6/lib/action_dispatch/middleware/show_exceptions.rb", line 30, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/rack/logger.rb", line 38, in call_app
  File "/app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/rack/logger.rb", line 20, in block in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.6/lib/active_support/tagged_logging.rb", line 68, in block in tagged
  File "/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.6/lib/active_support/tagged_logging.rb", line 26, in tagged
  File "/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.6/lib/active_support/tagged_logging.rb", line 68, in tagged
  File "/app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/rack/logger.rb", line 20, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.6/lib/action_dispatch/middleware/request_id.rb", line 21, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/methodoverride.rb", line 21, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/runtime.rb", line 17, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/sendfile.rb", line 112, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb", line 514, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/application.rb", line 144, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/newrelic_rpm-3.9.6.257/lib/new_relic/agent/instrumentation/middleware_tracing.rb", line 57, in call
  File "/app/vendor/bundle/ruby/2.1.0/gems/unicorn-4.8.3/lib/unicorn/http_server.rb", line 576, in process_client
  File "/app/vendor/bundle/ruby/2.1.0/gems/unicorn-4.8.3/lib/unicorn/http_server.rb", line 670, in worker_loop
  File "/app/vendor/bundle/ruby/2.1.0/gems/unicorn-4.8.3/lib/unicorn/http_server.rb", line 525, in spawn_missing_workers
  File "/app/vendor/bundle/ruby/2.1.0/gems/unicorn-4.8.3/lib/unicorn/http_server.rb", line 140, in start
  File "/app/vendor/bundle/ruby/2.1.0/gems/unicorn-4.8.3/bin/unicorn", line 126, in <top (required)>
  File "/app/vendor/bundle/ruby/2.1.0/bin/unicorn", line 23, in load
  File "/app/vendor/bundle/ruby/2.1.0/bin/unicorn", line 23, in <main>