parse "gopher://\x81m0\x1d\x016\xc7'\xb1M2\xf9V.\xe4>\xc30Ǔov$\xfd\xb4\xba\xd3\xf7\xec\xfb>.\x87\xc3\x0e.@3\f\xa3\xd6r\xb8\x1c\xa5y2X\x9d\x96d\xecN\\ \x17>\x97\xa2\xe2\xf1Q\xb9l|T\xa8\xa2Er\xa3\x89\xe1\x18\x14\xe5X\\\xce/": net/url: invalid control character in URL