parse "gopher://null.host:0/@@L\x02@\x1c\x02@$\x10@\x8c2\xc2d\x18B\x8c @\xcc\x04\xc1\x14\x18\xc1\xe4\x1e\xc1\xd4\x1b\xc1\xc4\x18\xc1T\x12\xc1$\x10\xc1\x04\x0e\xc0\xd4": net/url: invalid control character in URL