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/h3mfrv15gysk13q3rsz8rd1yxhj3zy9f-iets-fuzz-parse-check.drv