parse "gopher://\x05\xb6:0/L\x14W(\xb4\x93\x81평X\x9e\xa8\x92\x97se\x97\xcaA\xf6\x14\x9c\xa14b\xc0)M\xd6/\xae\x90\xf1\xe3H": net/url: invalid control character in URL