these 4 derivations will be built:
  /nix/store/3cp255hasdsnhfx5y2ali30nazqkiwp1-nixos-vm.drv
  /nix/store/4d6nyznfsm5ivq5zn43lj5ysli1sk1l2-driverConfiguration.json.drv
  /nix/store/mzwbxndfidd3bgvg6vm5zwmv3q4mv2x3-nixos-test-driver-systemd-boot-memtest86.drv
  /nix/store/pij07ibq44rw9b2ff7dvqnixsr7603ab-vm-test-run-systemd-boot-memtest86.drv