these 3 derivations will be built:
  /nix/store/9iy4jn3c0ri7h0scai4jyqvh3p4v8qw5-iets-fuzz-diff-0.0.0.drv
  /nix/store/hiqaq1myqc7m2cznhmhxyv101xsm95s6-iets-fuzzers-0.0.0.drv
  /nix/store/irvxqy9b9amg6yx54ihx3qm92n129nlj-iets-fuzz-nar-check.drv