these 3 derivations will be built:
  /nix/store/rpfq1nlzgfbds0kj1f0570as3vf7qi8m-iets-fuzz-diff-0.0.0.drv
  /nix/store/w7kbp2n6jmc8i255w7zsggrig3pwbdas-iets-fuzzers-0.0.0.drv
  /nix/store/skfqd6b4lkabqhhg2rxvghh4xibj0ckz-iets-fuzz-drv-check.drv