stderr.setLogLevel(LocationAwareLogger.INFO_INT);
            System.setOut(new LoggingOutputStream(s -> stdout.info("[stdout] " + s)).printStream());
            System.setErr(new LoggingOutputStream(s -> stderr.warn("[stderr] " + s)).printStream());
            // no need to set them back, this is already handled by MessageUtils.systemUninstall() above
        }
    }