these 5 derivations will be built:
  /nix/store/mz27gw9scrmqnj2xr32x03wp26s6l7ny-nix-grpc-e2e.drv
  /nix/store/413j1g4hg2mwb1fj0k6lpxdv417xycch-test-script.drv
  /nix/store/83ybh4j3w6i1ggmhlcdf0wghqb2m8r9d-driverConfiguration.json.drv
  /nix/store/c8786l2ni1mxcj5dybhwmsvkigjr8cxw-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/qrz4g980980zhss1v679i58nzm6xa52x-vm-test-run-nix-grpc-store-acme-substituter.drv