these 3 derivations will be built:
  /nix/store/6ygjblvi3cq3cikan0v2ccbsryid7ndq-source.drv
  /nix/store/zjcxgdxzc1m6j874v3mgn0f3qqk5xbll-agentty-0.9.34.drv
  /nix/store/vxsyi4vph44rjichr3r1m92sfrgxbqhn-check-agentty.drv