these 3 derivations will be built:
  /nix/store/z9lacg2kwrd6rqa5a63pkg5wy9fi65k7-etc.drv
  /nix/store/6ms78iy02brnmsxq3cwgv9l87pzhqsmk-activate.drv
  /nix/store/ww9jwxji7c3w3rnsg87dn3bn5ygrw281-nixos-system-tau-26.11.20260920.5baae1f.drv