these 3 derivations will be built:
  /nix/store/xdsiywfrykc6ajnlsk6yp4vplmv4q7j5-driverConfiguration.json.drv
  /nix/store/0pan8kspm40639nq34kl5akizzxv7zq6-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/15whbx4z7r1ljyc4p1cy8zraphg456q2-vm-test-run-nix-grpc-store-main.drv