these 2 derivations will be built:
  /nix/store/xmkgy5vnja6h3iad6niifgm26n62lvsa-iets-deps-0.2.0.drv
  /nix/store/n5s8qy6xw5yi8bg4rnckkhrizngcxv64-iets-clippy-0.2.0.drv