parse "gopher://\xfc\x8aGKr\x85\xb65\x0f@G\xc2r&\xd7\xc9s\xc9'\xaf\xb2\xe2\xdbU\xb4\xb2y\xe1YJݛ\x12\x02e=0r\xb8\xbeD\x8cP/": net/url: invalid control character in URL