these 3 derivations will be built:
  /nix/store/hh20xd1rgj68h6ii98lmdrn8m4b59jvz-iets-fuzz-diff-0.0.0.drv
  /nix/store/jxckamsir28jjbybhvaz8rdalny23ldh-iets-fuzzers-0.0.0.drv
  /nix/store/rd0dmi3ri9gdvxibl0m6n1bra5mq0pd9-iets-fuzz-nar-check.drv