backtrace.txt

# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/persistence.rb:185:in `destroy!'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:171:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:171:in `delete_records'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:525:in `remove_records'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:518:in `block in delete_or_destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:183:in `block in transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:27:in `block in transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:211:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:21:in `transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:220:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:182:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:518:in `delete_or_destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:279:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:223:in `destroy_all'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:27:in `handle_dependency'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/builder/association.rb:146:in `block in add_destroy_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:448:in `instance_exec'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:448:in `block in make_lambda'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:164:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:164:in `block in halting'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:778:in `_run_destroy_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/callbacks.rb:292:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:281:in `block in destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:351:in `block in with_transaction_returning_status'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:27:in `block in transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:211:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:21:in `transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:220:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:348:in `with_transaction_returning_status'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:281:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/persistence.rb:185:in `destroy!'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:171:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:171:in `delete_records'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:525:in `remove_records'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:518:in `block in delete_or_destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:183:in `block in transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:27:in `block in transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:211:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:21:in `transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:220:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:182:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:518:in `delete_or_destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:279:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/collection_association.rb:223:in `destroy_all'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/has_many_association.rb:27:in `handle_dependency'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/associations/builder/association.rb:146:in `block in add_destroy_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:448:in `instance_exec'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:448:in `block in make_lambda'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:164:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:164:in `block in halting'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:504:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:778:in `_run_destroy_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/callbacks.rb:292:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:281:in `block in destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:351:in `block in with_transaction_returning_status'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:27:in `block in transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `block in transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/transaction.rb:184:in `within_new_transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/test_after_commit-0.4.2/lib/test_after_commit.rb:21:in `transaction_with_transactional_fixtures'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:220:in `transaction'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:348:in `with_transaction_returning_status'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:281:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/inherited_resources-1.6.0/lib/inherited_resources/base_helpers.rb:96:in `destroy_resource'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/inherited_resources-1.6.0/lib/inherited_resources/actions.rb:58:in `destroy'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/abstract_controller/base.rb:198:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/rendering.rb:10:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/abstract_controller/callbacks.rb:20:in `block in process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:117:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:117:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:555:in `block (2 levels) in compile'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:505:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:505:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:778:in `_run_process_action_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:81:in `run_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/abstract_controller/callbacks.rb:19:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/rescue.rb:29:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/notifications.rb:164:in `block in instrument'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/notifications.rb:164:in `instrument'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/instrumentation.rb:30:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/abstract_controller/base.rb:137:in `process'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionview-4.2.5/lib/action_view/rendering.rb:30:in `process'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal.rb:196:in `dispatch'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_controller/metal.rb:237:in `block in action'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:76:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:76:in `dispatch'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:45:in `serve'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/journey/router.rb:43:in `block in serve'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/journey/router.rb:30:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/journey/router.rb:30:in `serve'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:817:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/warden-1.2.4/lib/warden/manager.rb:35:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/warden-1.2.4/lib/warden/manager.rb:34:in `catch'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/warden-1.2.4/lib/warden/manager.rb:34:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/etag.rb:24:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/conditionalget.rb:38:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/head.rb:13:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/params_parser.rb:27:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/flash.rb:260:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb:225:in `context'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb:220:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/cookies.rb:560:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/query_cache.rb:36:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:653:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:88:in `__run_callbacks__'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:778:in `_run_call_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:81:in `run_callbacks'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/airbrake-4.3.5/lib/airbrake/rails/middleware.rb:13:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5/lib/rails/rack/logger.rb:38:in `call_app'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5/lib/rails/rack/logger.rb:20:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/tagged_logging.rb:68:in `block in tagged'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/tagged_logging.rb:26:in `tagged'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/tagged_logging.rb:68:in `tagged'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5/lib/rails/rack/logger.rb:20:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/quiet_assets-1.1.0/lib/quiet_assets.rb:27:in `call_with_quiet_assets'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/request_store-1.3.0/lib/request_store/middleware.rb:9:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/request_id.rb:21:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/methodoverride.rb:22:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/runtime.rb:18:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.5/lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/static.rb:116:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-cors-0.4.0/lib/rack/cors.rb:80:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/airbrake-4.3.5/lib/airbrake/user_informer.rb:16:in `_call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/airbrake-4.3.5/lib/airbrake/user_informer.rb:12:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5/lib/rails/engine.rb:518:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5/lib/rails/application.rb:165:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/urlmap.rb:66:in `block in call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/urlmap.rb:50:in `each'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/urlmap.rb:50:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/capybara-2.6.2/lib/capybara/server.rb:19:in `call'
# /Users/example/app/vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/handler/webrick.rb:88:in `service'
# /Users/example/.rbenv/versions/2.2.4/lib/ruby/2.2.0/webrick/httpserver.rb:138:in `service'
# /Users/example/.rbenv/versions/2.2.4/lib/ruby/2.2.0/webrick/httpserver.rb:94:in `run'
# /Users/example/.rbenv/versions/2.2.4/lib/ruby/2.2.0/webrick/server.rb:294:in `block in start_thread'
#
#   Showing full backtrace because every line was filtered out.
#   See docs for RSpec::Configuration#backtrace_exclusion_patterns and
#   RSpec::Configuration#backtrace_inclusion_patterns for more information.