these 3 derivations will be built:
  /nix/store/pjakg4rxmcy0cirj322qkphkcvzrl9d1-iets-fuzz-diff-0.0.0.drv
  /nix/store/vhn33dyyvv4ihzdpvvy7i8y3344yn5mx-iets-fuzzers-0.0.0.drv
  /nix/store/c38gq7mnd9q5zplna6w9a2655gpwq4lz-iets-fuzz-parse-check.drv