these 5 derivations will be built:
  /nix/store/0cvqlw6kn0wicayfs2b9w914l32l40dj-nix-grpc-e2e.drv
  /nix/store/y0q3pfghp92yn50wim78cnzg887mfkaz-test-script.drv
  /nix/store/yxlj0xqnlx9zaskqq1jmqpd99nc04904-driverConfiguration.json.drv
  /nix/store/wxdby4kqlha0c3b9xxcvgyccibqaglnd-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/xdfr85nam1n5vhjgdkdqcwbi2rynp2vd-vm-test-run-nix-grpc-farm.drv