these 2 derivations will be built:
  /nix/store/ss90m74g05ysv76afww7c8scmicxysz7-nixos-test-driver-index_advisor.drv
  /nix/store/d28vn6cdl90vl0ppfqvplsd8bng94zvi-vm-test-run-index_advisor.drv