parse "gopher://null.host:0/2\xb8\xa1\xaa`Q4\xf5A\x8c\xbfe\x8dW\x86\xb1\x11`\xdb\xfa\xd9c\xae\xd2U\x9f\xb0\xb0^\xfeW\x98h\xe2/X\xb8\xa47$\x982\xe6\x1b\xdey\xca*\xa9\x1f\a\xa4\xb6Wo`=\xc4\xcf": net/url: invalid control character in URL