building Nix...
building the system configuration...
these 5 derivations will be built:
  /nix/store/x2124vp15g4g7w7hx2417d1r6y30jmmr-background_login_rust.png?raw=true.drv
  /nix/store/sfhm0d449384s51lxjhrxz68160zq6kz-sddm-theme.drv
  /nix/store/yg6qiynki1a1i44n80g26108p8ascjyb-sddm.conf.drv
  /nix/store/ds8yflssc4zkj8b5406yxqxwaimqr7mm-etc.drv
  /nix/store/i4akn4y9fipfvlavsarkgy2yb7kxkqfb-nixos-system-scbnb-24.05pre625274.205781405197.drv
building '/nix/store/x2124vp15g4g7w7hx2417d1r6y30jmmr-background_login_rust.png?raw=true.drv'...

trying https://github.com/itsscb/nixos/blob/master/dotfiles/theme/background_login_rust.png?raw=true
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (56) The requested URL returned error: 404
error: cannot download background_login_rust.png?raw=true from any mirror
error: builder for '/nix/store/x2124vp15g4g7w7hx2417d1r6y30jmmr-background_login_rust.png?raw=true.drv' failed with exit code 1
error: 1 dependencies of derivation '/nix/store/sfhm0d449384s51lxjhrxz68160zq6kz-sddm-theme.drv' failed to build
error: 1 dependencies of derivation '/nix/store/yg6qiynki1a1i44n80g26108p8ascjyb-sddm.conf.drv' failed to build
error: 1 dependencies of derivation '/nix/store/ds8yflssc4zkj8b5406yxqxwaimqr7mm-etc.drv' failed to build
error: 1 dependencies of derivation '/nix/store/i4akn4y9fipfvlavsarkgy2yb7kxkqfb-nixos-system-scbnb-24.05pre625274.205781405197.drv' failed to build