parse "gopher://null.host:0/f\xe26ONwN\xfb\x81\xcc\x17\xee\xaf1\x03v\x16\x0e\x8fڥ\xb2\xcc2ˢG\x9a\xf6\x97\xcb \x8fb\xd2\x1f\xb4H\x93iE\xf1\xb8\xe8^\x86\x8dr\xb5\x13\x16\"\b\x9dW\x1e\xfbV2;\xe8\"ə\xa1\x05\xe5\xc5*\x9b\xf78*\x93p\x0e\x9aY\xbfM\x1e\xbc9\xcf\xe5\xbf\xe9\xf9\xdbL\xd5_\xb0\x83\xc3": net/url: invalid control character in URL