parse "gopher://null.host:0/:߂\x9e^Ա(\x9f\f\x12Q\x88\xb4?\xff\xdd_X\x88\xf3TD`\xd9\xd7\xeb\xeeup\x12\x9d\"\xe0Az\x83\xcb\xd6\x03\x86\x96p\x8a\xd7": net/url: invalid control character in URL