these 3 derivations will be built:
  /nix/store/k8vxinr8bby6nrcshkm96ajjqq9xfa2y-iets-fuzz-diff-0.0.0.drv
  /nix/store/r5jplx4p09h1bdvi3fsvc46qsr59w7gh-iets-fuzzers-0.0.0.drv
  /nix/store/qd5qhmphfq4srgc31g04isw8frblcxm4-iets-fuzz-drv-check.drv