Github user aledsage commented on the issue:
https://github.com/apache/brooklyn-server/pull/913
Build failure is real:
```
[ERROR]
/home/jenkins/jenkins-slave/workspace/brooklyn-server-pull-requests/core/src/main/java/org/apache/brooklyn/location/localhost/LocalhostMachineProvisioningLocation.java:[284,8]
error: method does not override or implement a method from a supertype
```
This is for `@Override
LocalhostMachineProvisioningLocation.getMutexSupport()`, I believe.---
