parse "gopher://null.host:0/:\xdel\xd1\x17\x94\xa42\xe7\xc1\xb05U\xac\x18A\x9a\x03\x13\xdb`\xf4\xbd\x05\x1e\x89\xdc$i\xe6\xc5\xf6\x98\xfa": net/url: invalid control character in URL