parse "gopher://null.host:0/\x06\x01f\xefxT\x1c\x1aj{\xccT\xea\xc8(\x9b\x82u\xbe\xd7\xd6\x19\x1f\xd4\xce\xefX\xa7\x1f[L'N\x05ce` V": net/url: invalid control character in URL