these 3 derivations will be built:
  /nix/store/nsmadmdp9ypz1y8b5ydhjjclxl7648cy-iets-fuzzers-0.0.0.drv
  /nix/store/ygbkr76d46mgf5853vc4wjx3yl5612lj-iets-fuzz-diff-0.0.0.drv
  /nix/store/v3ll37vcpp8vvyxa6p90innnfgayb023-iets-fuzz-parse-check.drv