these 4 derivations will be built:
  /nix/store/x6w4ksi3s6ky7hhxgz4ljn6yh5nj5j7a-etc-nix-registry.json.drv
  /nix/store/0kzdx5rnznaik757vffzrzhffzg430n4-etc.drv
  /nix/store/x4fpjg4d1j6izzqsrdlc6pxvhar81r40-activate.drv
  /nix/store/zwn0ld6i6brjr6kwab6q7hrk52ssh23h-nixos-system-tau-26.11.20260927.a98e471.drv