these 4 derivations will be built:
  /nix/store/ymfs90piii3awcdv1shqkk6az9s68im3-etc-nix-registry.json.drv
  /nix/store/v6447za113m0aq5004ifhwfz91i5hw4w-etc.drv
  /nix/store/f5pg8bxs61bsmh51siwvqdwz97agblxd-activate.drv
  /nix/store/gv3ly6193rnz59540az65zl6v6klxf2k-nixos-system-tau-26.11.20260816.d16c04c.drv