these 5 derivations will be built:
  /nix/store/axz4b837fizlc9n80llqhykvw2ysbnh5-closure-info.drv
  /nix/store/m1ggrwys85gq6fq99hcnj4kh112phb8i-test-script.drv
  /nix/store/2q4l463v4qmyzcy6qknlivzg0h2an58r-driverConfiguration.json.drv
  /nix/store/ws62mwki3ip6x6r0zs8fvmf5zhbi0b9x-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/sxgwfzipbyp2mzzbacwgyygz65wdhxpk-container-test-run-iets-grpc-e2e.drv