these 3 derivations will be built:
  /nix/store/1hwnk5qksv2bglficm10q8lvd0c4ydj8-iets-fuzz-diff-0.0.0.drv
  /nix/store/kz4bsa92yj5w63x90y4in62iqz43d53i-iets-fuzzers-0.0.0.drv
  /nix/store/swxnhcwhx5274i3hnjvqzq1jw152ns7b-iets-fuzz-drv-check.drv