these 3 derivations will be built:
  /nix/store/hw6qjp3zwc62a0caaqrj5jvpdb41gv38-iets-fuzzers-0.0.0.drv
  /nix/store/q3blgr7bav6gjkyn1jmdfnv9wfbdvwyr-iets-fuzz-diff-0.0.0.drv
  /nix/store/j2lqnd4xji9lj7dxf6kcdrr5ibdry65k-iets-fuzz-drv-check.drv