these 10 derivations will be built:
  /nix/store/4ai0dhv5kkgw6wcajz8n4qc7fkc7gzv9-system-units.drv
  /nix/store/a1irhns62ls36pn9lsfg00ijm7fl0xck-etc.drv
  /nix/store/62s3759jycr25vm3pcmh8rc6ig0pma10-activate.drv
  /nix/store/4p9w2m8jxz0ms0sg5jik74bagss3s42w-nixos-system-server-test.drv
  /nix/store/2wz6ymr9f16gk3zcpz8jnnhlp2ms19fv-nixos-system-server-test.drv
  /nix/store/v8i7s9zjrr9w5lnhxj3j8k612cj3iv4m-closure-info.drv
  /nix/store/6b2gvmc9rn1xs7pjzmavfz5wgaja348v-run-nixos-vm.drv
  /nix/store/2wld5rkiqdpmipbd5zhk6g2c98dgj8fx-nixos-vm.drv
  /nix/store/dj8j9lcs514h4skdisc5bh3acalzr9cd-nixos-test-driver-index_advisor.drv
  /nix/store/sshmiadhwngiypr4189cin5my9ya736d-vm-test-run-index_advisor.drv