these 3 derivations will be built:
  /nix/store/4kk918lm898ki223yqmzw25yd8zqkinb-iets-fuzz-diff-0.0.0.drv
  /nix/store/g9d6smm4pnra06flr86nbaz62q3bay9b-iets-fuzzers-0.0.0.drv
  /nix/store/gm198cd8553fmwwr2r8mglyapcba1pb5-iets-fuzz-drv-eval-check.drv