these 3 derivations will be built:
  /nix/store/akcipkihiv94xgs2mkpgnv443ijb7n92-iets-fuzzers-0.0.0.drv
  /nix/store/xmrfvarp4s9y284sd1d6s8dykkzdiqkz-iets-fuzz-diff-0.0.0.drv
  /nix/store/0k6gcxsfc40g3rs7n6ssfm06vmrh70sk-iets-fuzz-drv-check.drv