these 3 derivations will be built:
  /nix/store/w5rd8dgpyaig0zxxajdyiz83a5fx0fzi-iets-fuzz-diff-0.0.0.drv
  /nix/store/zpqz1prl1agq9p0z3ys0yqg0rxjvp2y9-iets-fuzzers-0.0.0.drv
  /nix/store/5fcw5kbyvciv3j49k9xyix3k0clz2f73-iets-fuzz-drv-check.drv