these 4 derivations will be built:
  /nix/store/75ryk7m54h3m5xmwfbdq977vssn3923w-system-units.drv
  /nix/store/yihrz8zn80fb3ma602lmkai0w743y3x6-etc.drv
  /nix/store/4bw0240xf7xpj1yzawr4sb08npi8qrfx-activate.drv
  /nix/store/hc8hp26v0584p82jy9a1z0q2wgg0419h-nixos-system-tau-26.11.20260927.a98e471.drv