these 3 derivations will be built:
  /nix/store/47pwm0fdzlfp7amja4yqr9bg2vz916r6-iets-fuzzers-0.0.0.drv
  /nix/store/qrh0hshqj8nnamxr3sizhi96zbvrzxsq-iets-fuzz-diff-0.0.0.drv
  /nix/store/d1496w7hrhfak8nr6qxj6fj8bvx7jb7y-iets-fuzz-drv-eval-check.drv