Golang コマンドを実行しようとすると出力がありません

func main () {
    file, _ := os.open("config.json")
    byteres, _ := ioutil.readall(file)
    var config config
    json.unmarshal(byteres, &config)
    defer file.close()

    process := exec.command(config.startcommand)
    stdout, _ := process.stdoutpipe()
    processscanner := bufio.newscanner(stdout)
    processscanner.split(bufio.scanlines)

    process.start()
    go func() {
        for processscanner.scan() {
            message := processscanner.text()
            fmt.println(message)
        }
    }()
}