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/jpm8i60h231x9pz1crhr1jsw4zr7lp0h-iets-fuzz-wire-check.drv