these 5 derivations will be built:
  /nix/store/wl6id71yji00hwyg08pgi7anlfcwbf7x-cygwin1-20220301.dll.xz.drv
  /nix/store/491jlagkc5vvsbp243acxvfqzw2i9bbn-patched_eac-1.6.0.drv
  /nix/store/70ffqxd9p1gbaq2932smnn2x2g7md9ii-exact-audio-copy.desktop.drv
  /nix/store/n2phf98psaa5iq962q7sdws6slgjk411-exact-audio-copy.drv
  /nix/store/h8fndgwwn6nfnp7cj73vvw9qc38qvgpy-exact-audio-copy-1.6.0.drv
building '/nix/store/pxdkm3y4hachx48ycy9rp4b3mr4ivzz4-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/pxdkm3y4hachx48ycy9rp4b3mr4ivzz4-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/pxdkm3y4hachx48ycy9rp4b3mr4ivzz4-cygwin1-20220301.dll.xz.drv
error: build of resolved derivation '/nix/store/pxdkm3y4hachx48ycy9rp4b3mr4ivzz4-cygwin1-20220301.dll.xz.drv' failed
error: Cannot build '/nix/store/491jlagkc5vvsbp243acxvfqzw2i9bbn-patched_eac-1.6.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/d6bax2dj7qv5s0vgri5dgq6vgrd1mdwz-patched_eac-1.6.0
error: Cannot build '/nix/store/70ffqxd9p1gbaq2932smnn2x2g7md9ii-exact-audio-copy.desktop.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/0x7mx06jladpvkh23f0z3g3x5p5jrvfc-exact-audio-copy.desktop
error: Cannot build '/nix/store/n2phf98psaa5iq962q7sdws6slgjk411-exact-audio-copy.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/846bfc0q15231a8w7p8bkb1zbp4n28cy-exact-audio-copy
error: Cannot build '/nix/store/h8fndgwwn6nfnp7cj73vvw9qc38qvgpy-exact-audio-copy-1.6.0.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/n8k7p3w4225ygmv6cabmarlhxvqvznhn-exact-audio-copy-1.6.0