parse "gopher://null.host:0/-\x96\x17\xdf\r\x93\x16\x853U\x83z\xd2y_\"9H9R\xeaz\x90N_\x93\x9c\xbe\xbe\x1c\xaa\xdaH\xba&\x87\xe0\x1b\xad\x81\\\xf0\xb3": net/url: invalid control character in URL