}
        failure = result as ExecutionFailure
        failure
    }

    private void waitForBuild() {
        long t0 = System.currentTimeMillis()
        ExecutionOutput executionOutput = waitUntilOutputContains containsString(waitingMessage)
        println("Wait finishes: ${System.currentTimeMillis() - t0} ms")
        result = OutputScrapingExecutionResult.from(executionOutput.stdout, executionOutput.stderr)