parse "gopher://null.host:0/Þ\x99\xd9/\xa4\xfe\xadO\xf5\xaf\x00\xc5`\xe7k\x8ay;\xf5<\xa3\xd0j*\xa4\xd1r\xa5BS\x84g\xb4㌻C\xd9Hi\x1ffH\xfft\xa8ͻ0": net/url: invalid control character in URL