these 2 derivations will be built:
  /nix/store/fxg782wvrima1npr8n8ik3rp25k0g86b-iets-deps-0.2.0.drv
  /nix/store/a1afdd1i6wq4k037s8f8zms3n7gy7r5j-iets-clippy-0.2.0.drv