these 3 derivations will be built:
  /nix/store/5jhiqpjq3nwd202jav05lyx2h3ija87l-iets-fuzzers-0.0.0.drv
  /nix/store/h1br7s0h752i1rjf1y2zlwji3a41w2cp-iets-fuzz-diff-0.0.0.drv
  /nix/store/kb348ivz1rvw72xwlds6cia8gsfx703s-iets-fuzz-drv-check.drv