these 5 derivations will be built:
  /nix/store/44kfs4qpf8w0jxr26k0vir56dw442ink-nix-grpc-e2e.drv
  /nix/store/ngkl9qyzz5z9s4ikhjgfj60ayr8y94c7-test-script.drv
  /nix/store/a6wz3avr8ybpn1whyr7kdfichlw6ri2m-driverConfiguration.json.drv
  /nix/store/sr5syzzzyig05b00kgixrz11j602dqs1-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/553bfzjkrp8h7z4a8ns6dm2ckfnig2xz-vm-test-run-nix-grpc-farm.drv