these 3 derivations will be built:
  /nix/store/2w9c23dgnl82fczn2qqqci9182rs2dbp-iets-fuzzers-0.0.0.drv
  /nix/store/zhmrzvcs2cgkxqws2p5ggg2q09w9qrl5-iets-fuzz-diff-0.0.0.drv
  /nix/store/ilvgdqijd72g1c08mx4fgqjz6jagg8zj-iets-fuzz-drv-check.drv