Ruby on rails 4 特拉维斯·西：指挥部；bundle exec rake“；以1退出

我的Travis build出现问题，生成失败，出现错误

“bundle exec rake”命令以1退出。来自特拉维斯。到GitHub回购协议

我已经尝试按照建议将
require'bundler'
添加到我的Rakefile中，但没有任何效果。我在本地机器上运行
bundle exec rake
没有问题，所有测试都在本地通过

这是特拉维斯的回溯：

    /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:661:in `rescue in connect': FATAL:  role "app" does not exist (ActiveRecord::NoDatabaseError)
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:651:in `connect'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:242:in `initialize'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `new'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `postgresql_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:436:in `new_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:446:in `checkout_new_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:422:in `acquire_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:349:in `block in checkout'
    from /home/travis/.rvm/rubies/ruby-2.0.0-p598/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:348:in `checkout'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:263:in `block in connection'
    from /home/travis/.rvm/rubies/ruby-2.0.0-p598/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:262:in `connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:565:in `retrieve_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:113:in `retrieve_connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:87:in `connection'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:854:in `needs_migration?'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:397:in `load_schema_if_pending!'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:412:in `block in maintain_test_schema!'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:640:in `suppress_messages'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:417:in `method_missing'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:412:in `maintain_test_schema!'
    from /home/travis/build/danielbonnell/app/spec/rails_helper.rb:25:in `<top (required)>'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `require'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `block in require'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:240:in `load_dependency'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:274:in `require'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in `block in requires='
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in `each'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in `requires='
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options.rb:110:in `block in process_options_into'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options.rb:109:in `each'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options.rb:109:in `process_options_into'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options.rb:22:in `configure'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/runner.rb:96:in `setup'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/runner.rb:85:in `run'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/runner.rb:70:in `run'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/runner.rb:38:in `invoke'
    from /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/exe/rspec:4:in `<main>'
/home/travis/.rvm/rubies/ruby-2.0.0-p598/bin/ruby -I/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib:/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-support-3.2.2/lib /home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/exe/rspec --pattern spec/\*\*\{,/\*/\*\*\}/\*_spec.rb failed
The command "bundle exec rake" exited with 1.

/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/postgresql\u adapter.rb:661:“连接中的救援”：致命：角色“app”不存在（activerecord:：NoDatabaseError）
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/postgresql\u adapter.rb:651:in'connect'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/postgresql\u adapter.rb:242:在'initialize'中
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/postgresql\u adapter.rb:44:in'new'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/postgresql\u adapter.rb:44:in'postgresql\u connection'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:436:in'new\u connection'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:446:in'checkout\u new\u connection'
来自/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:422:in'acquire\u connection'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:349:in'block in checkout'
from/home/travis/.rvm/rubies/ruby-2.0.0-p598/lib/ruby/2.0.0/monitor.rb:211:in'mon_synchronize'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:348:in'checkout'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:263:in'block in connection'
from/home/travis/.rvm/rubies/ruby-2.0.0-p598/lib/ruby/2.0.0/monitor.rb:211:in'mon_synchronize'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:262:in'connection'
来自/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u adapters/abstract/connection\u pool.rb:565:“检索连接”中
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u handling.rb:113:in'retrieve\u connection'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/connection\u handling.rb:87:in'connection'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active_record/migration.rb:854:in“需要_migration？”
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/migration.rb:397:in'load\u schema\u if\u pending！'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/migration.rb:412:在“维护测试模式中的块”中
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/migration.rb:640:在“抑制消息”中
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/migration.rb:417:in'method\u missing'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.2.0/lib/active\u record/migration.rb:412:在“维护测试模式”中
from/home/travis/build/danielbonnell/app/spec/rails\u helper.rb:25:in`'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_-support/dependencies.rb:274:in'require'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_-support/dependencies.rb:274:in'block in require'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active\u support/dependencies.rb:240:in'load\u dependenciency'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.2.0/lib/active_-support/dependencies.rb:274:in'require'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in'block-in-requires'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in'each'
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration.rb:1181:in`requires=>
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration\u options.rb:110:在“进程中的块选项”中
from/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options.rb:109:in'each'
来自/home/travis/build/danielbonnell/app/vendor/bundle/ruby/2.0.0/gems/rspec-core-3.2.1/lib/rspec/core/configuration_options。