trace from hang

gistfile1.txt

        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit.rb:502:in `block (2 levels) in <top (req
uired)>'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/autorunner.rb:59:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/autorunner.rb:408:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/autorunner.rb:465:in `change_work_direct
ory'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/autorunner.rb:409:in `block in run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunnerutilities.rb:24:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunner.rb:25:in `start'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunner.rb:40:in `start_mediator'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunnermediator.rb:40:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunnermediator.rb:100:in `with_li
stener' 
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunnermediator.rb:44:in `block in
 run'   
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/ui/testrunnermediator.rb:65:in `run_suit
e'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/testsuite.rb:53:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/testsuite.rb:121:in `run_test'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/testsuite.rb:53:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/test-unit-2.5.5/lib/test/unit/testsuite.rb:121:in `run_test'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-3.0.20/lib/active_support/testing/setup_and_teardown.rb:
65:in `run'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-3.0.20/lib/active_support/callbacks.rb:425:in `_run_setu
p_callbacks'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/fixtures.rb:950:in `setup_fixtur
es'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/fixtures.rb:985:in `load_fixture
s'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/fixtures.rb:520:in `create_fixtures'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-3.0.20/lib/active_support/benchmarkable.rb:55:in `silence'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/fixtures.rb:521:in `block in create_fixtures'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-mysql2-adapter-0.0.3/lib/active_record/connection_adapters/mysql2_adapter.rb:186:in `disable_referential_integrity'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/fixtures.rb:530:in `block (2 levels) in create_fixtures'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/connection_adapters/abstract/database_statements.rb:165:in `transaction'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/connection_adapters/abstract/database_statements.rb:322:in `commit_transaction_records'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/connection_adapters/abstract/database_statements.rb:322:in `each'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/connection_adapters/abstract/database_statements.rb:324:in `block in commit_transaction_records'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activerecord-3.0.20/lib/active_record/transactions.rb:261:in `committed!'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-3.0.20/lib/active_support/callbacks.rb:422:in `_run_commit_callbacks'
        from /home/travis/builds/rc/app/models/ride.rb:3185:in `create_ride_in_fleet_magic'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/resque-mock-0.1.1/lib/resque/mock.rb:20:in `enqueue'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/resque-mock-0.1.1/lib/resque/mock.rb:35:in `defer'
        from /home/travis/builds/rc/app/workers/fleet_magic_ride_creator.rb:14:in `perform'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/bundler/gems/fleet-magic-d3a1bdfce00c/fleet_magic/lib/fleet_magic/calls.rb:31:in `create_ride'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/bundler/gems/fleet-magic-d3a1bdfce00c/fleet_magic/lib/fleet_magic/agent.rb:34:in `fetch'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty.rb:497:in `post'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty.rb:414:in `post'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty.rb:461:in `perform_request'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty/request.rb:106:in `perform'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty/request.rb:182:in `handle_response'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/httparty-0.11.0/lib/httparty/request.rb:92:in `perform'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/webmock-1.8.6/lib/webmock/http_lib_adapters/net_http.rb:90:in `request_with_webmock'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:746:in `start'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/webmock-1.8.6/lib/webmock/http_lib_adapters/net_http.rb:91:in `block in request_with_webmock'
        from /home/travis/.rvm/gems/ruby-1.9.3-p545/gems/rest-client-1.6.7/lib/restclient/net_http_ext.rb:51:in `request'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:1294:in `request'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:1317:in `transport_request'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:1317:in `catch'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:1320:in `block in transport_request'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:2552:in `read_new'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/http.rb:2563:in `read_status_line'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/protocol.rb:132:in `readline'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/protocol.rb:122:in `readuntil'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/protocol.rb:140:in `rbuf_fill'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/protocol.rb:143:in `rescue in rbuf_fill'
        from /home/travis/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/net/protocol.rb:143:in `select'