these 2 derivations will be built:
  /nix/store/iwn1pgip3xmfkxwz2srs24mriqasc9ka-nixos-test-driver-plv8.drv
  /nix/store/9rddchp6q3xnhhn0fx3c6rgq116d0y2r-vm-test-run-plv8.drv