in gplog/gplog.go [317:325]
func FatalWithoutPanic(s string, v ...interface{}) {
logMutex.Lock()
defer logMutex.Unlock()
message := GetLogPrefix("CRITICAL") + fmt.Sprintf(s, v...)
errorCode = 2
_ = logger.logFile.Output(1, message)
_ = logger.logStderr.Output(1, message)
exitFunc()
}