these 3 derivations will be built:
  /nix/store/85hwifsnz62v8lz075p8dzqagwqy8zf3-iets-fuzzers-0.0.0.drv
  /nix/store/izqr4i56di73l5v0cg253i8vh6b6hy9a-iets-fuzz-diff-0.0.0.drv
  /nix/store/1imv9kbgdhqrv1dq8mdf5q9n2frcz6sn-iets-fuzz-drv-check.drv