these 3 derivations will be built:
  /nix/store/940xqbndqdh2rq58dy6jijg217qp8hfq-iets-fuzz-diff-0.0.0.drv
  /nix/store/r6pllwp4xscyb7jmfpmwcanp230szvwy-iets-fuzzers-0.0.0.drv
  /nix/store/cg1hv2aghyn33h4rl735qibsav1r7vbv-iets-fuzz-parse-check.drv