these 3 derivations will be built:
  /nix/store/pvn1wn5a4zx1fpk39xh06klhzvgkvamx-iets-fuzzers-0.0.0.drv
  /nix/store/yg9lqak62pks54wkj9a8kfsnkzf75paz-iets-fuzz-diff-0.0.0.drv
  /nix/store/5mjf9yh4spqc0s5s1zcwhz2gvfdfh1mi-iets-fuzz-eval-check.drv