these 5 derivations will be built:
  /nix/store/2f9iw93h281pch3250knskzadwf2pn1q-boot.json.drv
  /nix/store/59lg96ghn3i91ihr0cvwp85mqb6r91g9-system-units.drv
  /nix/store/nvnccwyr6ipnhqs0jpq01l97zs0imhwz-etc.drv
  /nix/store/xfkb5lijb44xk53fnirs2xr85hykgww4-activate.drv
  /nix/store/8ciiqlszz6rzqqj4xl878a0va0pg0h5q-nixos-system-marvin-26.11.19800101.17de0b9.drv