these 7 derivations will be built:
  /nix/store/6w5skbbrszf7vm1glcijbghixkac8rn7-nixos-system-machine-test.drv
  /nix/store/83rbbhblvm8s37i970h1m5qkh13mwkbk-closure-info.drv
  /nix/store/28l54bxc8ml5clg2ny5f8lrryqxhndfq-run-nixos-vm.drv
  /nix/store/mj1nfcj2y0yhwg86sbl7kcly2b9kb52c-nixos-vm.drv
  /nix/store/vrsr5macy17wigcnzpn8b83bccl3339k-driverConfiguration.json.drv
  /nix/store/rmr29pavd1pfv24d0kxscn3gxdffm05w-nixos-test-driver-nix-grpc-store.drv
  /nix/store/9ns6wvdhmj1nyzmx6clmpa4n75vrnylc-vm-test-run-nix-grpc-store.drv