these 4 derivations will be built:
  /nix/store/flimxnavnwg0bccjm0r789bxpfcvkfy8-system-units.drv
  /nix/store/fs8ypzm1nrzm2rl457g803pinn88yxy9-etc.drv
  /nix/store/fg0jb7ga5hwcqszwsmrch9pcif19pmfc-activate.drv
  /nix/store/x5a78b6z5vifgm66gxd4cim6k7grw8a6-nixos-system-gk4-26.11.20261101.0bb2eed.drv