parse "gopher://null.host:0/\x1e\xd5\xcc\xf5\x9bj\xbb\xb8\xaciT\xf4\x8a\x94FM73\xcf27t\x9f,\xac\x8dU\xe5\x92M\x8f/\xac\xc9\xd9": net/url: invalid control character in URL