parse "gopher://null.host:0/é\\\x8c!q0t\xda\xff\x19=\xcaɨ\xcb\xef\xb0\a\xb1pJ$\a\xde\xcap\xe8\xdd\xd1=\x01n>\xd5\xdfG\x15`<\x8b*\x9a\xbfמA\x87-˥r)\xa8\xcd\u007f&\xc23\xdaVr\x9fj`\x84\x11\x9b\aX\xe000\xd2\xcc_tэ\xbc75\xb5\xb3H\xf5ըg": net/url: invalid control character in URL