origAuth := req.Header.Get("Authorization")
	if origAuth != "" {
		req.Header.Set("Authorization", "**REDACTED**")
	}

	// Only display request header.
	reqTrace, err := httputil.DumpRequestOut(req, false)
	if err != nil {
		return
	}

	// Write request to trace output.
	_, err = fmt.Fprint(c.TraceOutput, string(reqTrace))
	if err != nil {
		return
	}