parse "gopher://null.host:0/çIL\xc4A}f\x15\x12\xc2\xca\x00\x9b\x03y\xc2\x1f\x12\xa1u\f\xd48\xe1?_\x19\xbf\a4 \x86\xd4": net/url: invalid control character in URL