parse "gopher://null.host:0/}\xcb\x17V\xa3\xff/\a-\xc1\x96oI\xe4t>\x0f\x92\x95j\xf1mP\xa4\xf2 i\xa3\xe6\xd3\x1aqP\xf5\xba}\x01\x9b\xf2\xda*\xb6\xeff": net/url: invalid control character in URL