these 3 derivations will be built:
  /nix/store/k9y3780ccc813bk1dbrhkmzh2pybi5yi-jules_external_v0.1.42_darwin_arm64.tar.gz.drv
  /nix/store/nz4wlhh23lz3wkc10dgv0qymbc57bf3d-jules-0.1.42.drv
  /nix/store/nhdashm5fqbn6c8xb17d37s216w5v934-check-jules.drv