these 2 derivations will be built:
  /nix/store/jhzgbjjy4p06h1l5l7w5gl2d2jf4kcxh-nixos-test-driver-index_advisor.drv
  /nix/store/8q9jikpy6h463ygi6lybcdqi71qpw96z-vm-test-run-index_advisor.drv