these 4 derivations will be built:
  /nix/store/xl4m5hzpyvxd76jkqai4kxgi8nqmcw48-etc-nix-registry.json.drv
  /nix/store/y3yr0vslzxgnbbm2abhfhbx654c49p99-etc.drv
  /nix/store/ai2r09wk5gr5xf406727xbwni93jmnnv-activate.drv
  /nix/store/ncxib6q0n4m1gz8sx5vnvcy7v9a83m9x-nixos-system-tau-26.11.20260906.faf77a3.drv