these 3 derivations will be built:
  /nix/store/0nnpd85f0alw8fcib2q51wqmndalil56-iets-fuzz-diff-0.0.0.drv
  /nix/store/c6d5m90fg927xp8m0mp3kjznlkxnr9hp-iets-fuzzers-0.0.0.drv
  /nix/store/9b0m79vipypf18wzbmfnkx5h9gg0v00m-iets-fuzz-drv-check.drv