parse "gopher://\xf3\xad\x9c\xe6\x9bTO\xa4\xd1%\xd5\x0fa\x9e=\xbduv\x93fNr\x8aR4O\x89\xbb\xfc{\x8a\xb1\x14\xa5\f\xe9%\xdfe,u\xb1\xf6\"\x8bT\x19\xb7Ry\x03\xcb/": net/url: invalid control character in URL