parse "gopher://\xa6_U\x18\xa0G;\x9b\xfa\x87\x04\xe5\a/\x9b0\xd9\xd1\x13?jEB%25EF%25BF%25BD3%25EF%25BF%25BDDB%25EF%25BF%25BD%257F%253C%25EF%25BF%25BDVsF%25EF%25BF%25BD%25EF%25BF%25BDX%2521%25EF%25BF%25BD%253A0%252F%25C2%25BC%2505%2503%25C6%2591%25EF%25BF%25BD%2505%253C%25EF%25BF%25BDv%25E0%25B2%2591%25EF%25BF%25BDN%25EF%25BF%25BD%25EF%25BF%25BD%3D%25EF%25BF%25BD": net/url: invalid control character in URL