if (workerClassPath == null) {
                    PersistentCache workerClassPathCache = cacheBuilderFactory
                        .createCacheBuilder("workerMain")
                        .withInitialLockMode(FileLockManager.LockMode.Exclusive)
                        .withInitializer(new CacheInitializer())
                        .open();
                    try {

                    final PersistentCache zincCache = cacheBuilderFactory.createCacheBuilder("zinc-0.3.15")
                            .withDisplayName("Zinc 0.3.15 compiler cache")
                            .withInitialLockMode(FileLockManager.LockMode.Exclusive)
                            .open()
                    println "Starting work..."
                    try {

    def cache = new TestInMemoryCacheFactory().open(cachedDir, "jars")
    def cacheBuilder = Stub(CacheBuilder) {
        open() >> cache
        withDisplayName(_) >> { cacheBuilder }
        withInitialLockMode(_) >> { cacheBuilder }
        withCleanupStrategy(_) >> { cacheBuilder }
    }
    def cacheBuilderFactory = Stub(GlobalScopedCacheBuilderFactory) {
        createCrossVersionCacheBuilder(_) >> cacheBuilder
    }