these 4 derivations will be built:
  /nix/store/s31li9m17ip2iigxraylqclvswz838c4-system-units.drv
  /nix/store/2js1r028p2pq2b4mclabds4wbj9b11i5-etc.drv
  /nix/store/i44jb07mi5v2jxl36cck2170l8r2ays2-activate.drv
  /nix/store/bf30084w5ax14ngdvg4zab41vr7wzwmx-nixos-system-test-delete-os-26.11.20261027.31ecbac.drv