these 2 derivations will be built:
  /nix/store/pd9ql5fw4y5kmwqgw43avnvlyv80i9g8-qs-harness-py.drv
  /nix/store/4kcgvdc0xr7z58f57d7zmyc63fq57qzr-spaces-integration-confirm-test.drv