parse "gopher://null.host:0/\\\x18\xacF\xa6\xdfp\x1bQ\xd6X\xb6֛\x17|C\xb7S\xff4\x06\xfa\x9c\xd3\xcfܡR\xba\x8dx9\x1a\xd8\xc9\xdb": net/url: invalid control character in URL