these 3 derivations will be built:
  /nix/store/7qmspwl20zccl6prcam4nzz6ygnjhmf2-iets-fuzz-diff-0.0.0.drv
  /nix/store/mkvmr2bh2g249ffbhl593aqinj30z5in-iets-fuzzers-0.0.0.drv
  /nix/store/ffj25g1v8w8wd2qn2ikqhkmfsy600irz-iets-fuzz-drv-check.drv