these 3 derivations will be built:
  /nix/store/q9xgmk5mphyiismqpn67j4jm1l50bfps-iets-fuzzers-0.0.0.drv
  /nix/store/wjlwpyxinc1xsbk0p5pnx9fdynw96f5i-iets-fuzz-diff-0.0.0.drv
  /nix/store/zrr3ngkf8cddy7j0xgzcbjc4xf1pwmjl-iets-fuzz-drv-eval-check.drv