these 2 derivations will be built:
  /nix/store/kfmm9iyns8zygql2hka0w386kqnfzk6g-iets-fuzzers-0.0.0.drv
  /nix/store/2kyylhsxzwrgdxk8mqblbzkwv89v89kq-iets-fuzz-drv-check.drv