these 3 derivations will be built:
  /nix/store/iyjwk42mwlwigbmmq09mdx3dwb5rr26g-iets-fuzzers-0.0.0.drv
  /nix/store/kw50vrpw3cdlh4v26h6pwab81fvfljnp-iets-fuzz-diff-0.0.0.drv
  /nix/store/ap6dqryq8d7pshiji2g9dkfy0i3yv6si-iets-fuzz-parse-check.drv