Erro no sidekiq

erro.rb

deploy@VilaDeFabiano:~/viladefabiano$ bundle exec sidekiq
2014-07-10T16:12:28Z 2270 TID-45f4w INFO: Booting Sidekiq 2.17.7 with redis options {}
2014-07-10T16:12:28Z 2270 TID-45f4w INFO: Running in ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
2014-07-10T16:12:28Z 2270 TID-45f4w INFO: See LICENSE and the LGPL-3.0 for licensing details.
2014-07-10T16:12:28Z 2270 TID-45f4w INFO: Starting processing, hit Ctrl-C to stop
2014-07-10T16:12:28Z 2270 TID-ld0ss Sidekiq::Extensions::DelayedMailer JID-5642f1b11420d41d6a72ae42 INFO: start
2014-07-10T16:12:59Z 2270 TID-ld0ss Sidekiq::Extensions::DelayedMailer JID-5642f1b11420d41d6a72ae42 INFO: fail: 30.35 sec
2014-07-10T16:12:59Z 2270 TID-ld0ss WARN: {"retry"=>true, "queue"=>"default", "class"=>"Sidekiq::Extensions::DelayedMailer", "args"=>["---\n- !ruby/class 'UnsubscribeMailer'\n- :unsubscribe_confirmation\n- - !ruby/object:Subscriber\n    attributes:\n      id: 1\n      email: [email protected]\n      verification: b8d7429816da0d522de0f707bea1fc47\n      created_at: 2014-07-10 15:04:45.000000000 Z\n      updated_at: 2014-07-10 15:04:45.000000000 Z\n"], "jid"=>"5642f1b11420d41d6a72ae42", "enqueued_at"=>1405008275.8902135, "error_message"=>"execution expired", "error_class"=>"Timeout::Error", "failed_at"=>1405008305.9939902, "retry_count"=>2, "retried_at"=>1405008779.158596}
2014-07-10T16:12:59Z 2270 TID-ld0ss WARN: execution expired
2014-07-10T16:12:59Z 2270 TID-ld0ss WARN: /home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:540:in `initialize'
/home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:540:in `open'
/home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:540:in `tcp_socket'
/home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:549:in `block in do_start'
/home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:549:in `do_start'
/home/deploy/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/net/smtp.rb:519:in `start'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/mail-2.5.4/lib/mail/network/delivery_methods/smtp.rb:112:in `deliver!'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/mail-2.5.4/lib/mail/message.rb:2129:in `do_delivery'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/mail-2.5.4/lib/mail/message.rb:232:in `block in deliver'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/actionmailer-4.1.1/lib/action_mailer/base.rb:527:in `block in deliver_mail'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-4.1.1/lib/active_support/notifications.rb:159:in `block in instrument'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-4.1.1/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-4.1.1/lib/active_support/notifications.rb:159:in `instrument'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/actionmailer-4.1.1/lib/action_mailer/base.rb:525:in `deliver_mail'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/mail-2.5.4/lib/mail/message.rb:232:in `deliver'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/extensions/action_mailer.rb:20:in `perform'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/processor.rb:49:in `block (3 levels) in process'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:122:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:122:in `block in invoke'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/server/active_record.rb:6:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:124:in `block in invoke'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/server/retry_jobs.rb:62:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:124:in `block in invoke'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/server/logging.rb:11:in `block in call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/logging.rb:22:in `with_context'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/server/logging.rb:7:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:124:in `block in invoke'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:127:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/middleware/chain.rb:127:in `invoke'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/processor.rb:48:in `block (2 levels) in process'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/processor.rb:108:in `stats'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/gems/sidekiq-2.17.7/lib/sidekiq/processor.rb:47:in `block in process'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/calls.rb:26:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/calls.rb:26:in `public_send'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/calls.rb:26:in `dispatch'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/calls.rb:63:in `dispatch'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/future.rb:14:in `block in new'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/thread_handle.rb:13:in `block in initialize'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/actor_system.rb:32:in `block in get_thread'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/internal_pool.rb:99:in `call'
/home/deploy/.rvm/gems/ruby-1.9.3-p194/bundler/gems/celluloid-7efd2f9bdf3e/lib/celluloid/internal_pool.rb:99:in `block in create'