trying https://cygwin.com/snapshots/x86/cygwin1-20220301.dll.xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0   196    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404
error: cannot download cygwin1-20220301.dll.xz from any mirror