these 3 derivations will be built:
  /nix/store/qcq7znfwrjrbsdx7w2znrc7n8gi1la2c-etc.drv
  /nix/store/i3j2qa512z6j3mfv6ijf6n9clf2rhp61-activate.drv
  /nix/store/yd8jri1krbq46sw4h4pa9yy06ws13410-nixos-system-tau-26.11.20260920.5baae1f.drv