// in, it may lock up and prevent main from saying it's ready.
		"GOGC=off",
		// Set GODEBUG=asyncpreemptoff=1. If a thread is preempted
		// when it receives SIGQUIT, it won't show the expected
		// stack trace. See issue 35356.
		"GODEBUG=asyncpreemptoff=1",
	)

	var outbuf bytes.Buffer
	cmd.Stdout = &outbuf
	cmd.Stderr = &outbuf

	rp, wp, err := os.Pipe()