these 2 derivations will be built:
  /nix/store/xbfyj2sy24bsmldzwc8b57yqwhfhqhsm-spaces-nixos-apply-dispatch.drv
  /nix/store/369shmawlgcymi6hppl23mxrjmfrx315-spaces-nixos-apply-dispatch-test.drv