these 5 derivations will be built:
  /nix/store/xndrilz8si5ym59j7nsdffnj9hs5ywh7-cygwin1-20220301.dll.xz.drv
  /nix/store/7cmpyy4shv7z191v2sx4cp8mb7ib452i-patched_eac-1.6.0.drv
  /nix/store/1xm95v3gm5irwa6zwj0c1gcikqf1sxrk-exact-audio-copy.drv
  /nix/store/fkyzw3hqmmg8rf1bd8wi6rzdbdq6pab7-exact-audio-copy.desktop.drv
  /nix/store/nk1xvx0a441q1p26hg6a219q7ljk0q9g-exact-audio-copy-1.6.0.drv
building '/nix/store/khf2qm933616sgba3qn635qw15cg6bhc-cygwin1-20220301.dll.xz.drv'
cygwin1-20220301.dll.xz> 
cygwin1-20220301.dll.xz> trying https://cygwin.com/snapshots/x86/cygwin1-20220301.dll.xz
cygwin1-20220301.dll.xz>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
cygwin1-20220301.dll.xz>                                  Dload  Upload   Total   Spent    Left  Speed
cygwin1-20220301.dll.xz>   0   196    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
cygwin1-20220301.dll.xz> curl: (22) The requested URL returned error: 404
cygwin1-20220301.dll.xz> error: cannot download cygwin1-20220301.dll.xz from any mirror
error: Cannot build '/nix/store/khf2qm933616sgba3qn635qw15cg6bhc-cygwin1-20220301.dll.xz.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/bcwwjz1f0kj7nhznsnasbn9k4j400g6g-cygwin1-20220301.dll.xz
       Last 7 log lines:
       >
       > 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
       For full logs, run:
         nix log /nix/store/khf2qm933616sgba3qn635qw15cg6bhc-cygwin1-20220301.dll.xz.drv
error: build of resolved derivation '/nix/store/khf2qm933616sgba3qn635qw15cg6bhc-cygwin1-20220301.dll.xz.drv' failed
error: Cannot build '/nix/store/7cmpyy4shv7z191v2sx4cp8mb7ib452i-patched_eac-1.6.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/9pl3rj94qjjma1jm6sa27mz7qxkg4q6g-patched_eac-1.6.0
error: Cannot build '/nix/store/fkyzw3hqmmg8rf1bd8wi6rzdbdq6pab7-exact-audio-copy.desktop.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/i21129agrw55nly1gcvj7m35m19wq48a-exact-audio-copy.desktop
error: Cannot build '/nix/store/1xm95v3gm5irwa6zwj0c1gcikqf1sxrk-exact-audio-copy.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/vadavnnhfg945yp1074jjyhrfpw77rrg-exact-audio-copy
error: Cannot build '/nix/store/nk1xvx0a441q1p26hg6a219q7ljk0q9g-exact-audio-copy-1.6.0.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/6vqkhfr1qqmrs6m9f94mna51pzz2j40h-exact-audio-copy-1.6.0