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/r9lfycb92iisp5sivbhhrdzz4mmcww8i-iets-fuzz-parse-check.drv