From race detector buildvariant. See https://mci.10gen.com/task/mongo_tools_ubuntu_race_a6aa60723105031d616a2f4962b72093953099b9_14_12_17_00_29_07_qa_tests_ubuntu_race
mongodump fails in the mongofiles_put.js test - http://buildlogs.mongodb.org/MCI_ubuntu-race/builds/5742/test/qa-tests_0/mongofiles_put.js