these 3 derivations will be built:
  /nix/store/wp2bfhypna4mi0srfgjnc8mhazik8n4r-driverConfiguration.json.drv
  /nix/store/4hxhqila1401qiv4i7rvyskwbsa8iwp7-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/iw23790432n5i9sykpyck3jp9nyrckvx-vm-test-run-nix-grpc-store-main.drv