these 2 derivations will be built:
  /nix/store/748y3lz694cc8i0ylik2mh8hl3zyavqq-nixos-test-driver-plv8.drv
  /nix/store/r4saf6hi0p9iw2p4q197dgp1yd2fghjk-vm-test-run-plv8.drv