parse "gopher://\xd6\a'\x88\xd6\xe3\xe1\xe6p*2\x04S\xbc\x11\x9c\xe2o\xa8\xae\xa94\\q\xa3C\ff\x0f\x8eޣF\x03*\x1e{KC\xd0\xc8=\x1af\xaf'p\xcc~\f\x1f4\xff\xb0\xde\xc1\x10\xf0Z\a^G\x80\xd1\xda\vc\x84\x17\xc67\x04c\xeeD\xcf`V\xb5P\xed\xe6b<]\x98\xbd\x98w\xf3\xb8J/a\xd9\xc6": net/url: invalid control character in URL