2017-03-29T07:29:30,277: [client:stm=0x22d7310] send_error_response: A non-recoverable condition has triggered.  Watchman needs your help!
The triggering condition was at timestamp=1490772510: inotify-add-watch(/data/jenkins/workspace/source_4/cortex-core/libs/tools) -> The user limit on the total number of inotify watches was reached; increase the fs.inotify.max_user_watches sysctl
All requests will continue to fail with this message until you resolve
the underlying problem.  You will find more information on fixing this at
<https://facebook.github.io/watchman/docs/troubleshooting.html#poison-inotify-add-watch>