parse "gopher://5\xcd\xe9\x05L2+@/?1%25EF%25BF%25BD2%25EF%25BF%25BD%25EF%25BF%25BD3%250EI%25EF%25BF%25BD%251B%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BDM%25EF%25BF%25BD%25EF%25BF%25BD%253A0%252F%253F%3D%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BDph%2508%25EF%25BF%25BD%2529X%253A%25EF%25BF%25BD%25EF%25BF%25BD%257B%25EF%25BF%25BD%25EF%25BF%25BD%2560z%25EF%25BF%25BD%25EF%25BF%25BDZ": net/url: invalid control character in URL