these 3 derivations will be built:
  /nix/store/c13vck1i9bk9agh3g98i1rawsi9gnbf5-iets-deps-0.1.0.drv
  /nix/store/a9ypfcwnmnkvyka0cgw97xyqivzzhm5c-iets-0.1.0.drv
  /nix/store/050mls19wpaz3rbz4v3md6z9k2b1l768-iets-diff-e2e.drv