parse "gopher://7\xaf_A\xd2\xdf@-w\x90\u007f\xee\xf3\x97p\x89-֥A\x8e\xfa\xdb%t\xbdi^\xbf\x93\u009f\xf0\x86o\xbe\xe4\xc7c]\xdfR\xee/": net/url: invalid control character in URL