these 5 derivations will be built:
  /nix/store/6wgyacvcg46fzrj8bcp3zyi09ka099vl-nixos-vm.drv
  /nix/store/wln6b9aiyad03c2bs4jimp134ibyngcf-nixos-vm.drv
  /nix/store/gam5mkl36rlq20051vxd91vwqimvda9d-driverConfiguration.json.drv
  /nix/store/yy4a1r27knz9bdl0az6pvnbj1bbx71lj-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/b84y8fj871w8j8wsv7qsxa5mppgsqhvm-vm-test-run-nix-grpc-store-acme-substituter.drv