these 3 derivations will be built:
  /nix/store/fz8bj2dq9zkky39xjnvbjnfp91jv11ig-iets-fuzzers-0.0.0.drv
  /nix/store/r7mvdydnc8j1d6l2lwv9b28202hmz1v9-iets-fuzz-diff-0.0.0.drv
  /nix/store/yjsvr0x49afhd6phaylfbig9k8mysvcb-iets-fuzz-drv-check.drv