parse "gopher://null.host:0/\x12\xb1\r\xc1\xa9Z\xb1\x86\xdf\xd0\x1e7e:\xf6ۢ \x1b\xc1\x8b\xb5.3\xffM\x90\x81\xc5i\x92Y\x0e\x937\x93\x11\x1f\x05ݝl\u008d\xf50\xe6\x04\xdd/\x93\xd4E)\xc3\a\xa3\xa2\x9f\xbe": net/url: invalid control character in URL