these 3 derivations will be built:
  /nix/store/1h79li2sk8jpmcaaxags2s9vm5iiz5fs-iets-fuzz-diff-0.0.0.drv
  /nix/store/wcixji8sah3q6sgb6aydbf3sqj2y6j2h-iets-fuzzers-0.0.0.drv
  /nix/store/41w8vll7pjh8sw9q431qzrdp88w1z4w3-iets-fuzz-nar-check.drv