I have reviewed all the Continua CI staging actions, but can't find any to force build process to fail. "Stop" build action is just executed with "Success" state. Have I missed something?
Update Continua CI server version is 1.5.0.338. This solution is not applicable http://wiki.finalbuilder.com/display/continua/Stop+Action
Found workaround using "Run DOS Command / Batch File" with command set to: