these 3 derivations will be built:
  /nix/store/hcprm4592caniabkmybics82y9pjl8nb-iets-fuzzers-0.0.0.drv
  /nix/store/zd1a7cxnkaf41alb2mzvzq3dx54lmmdz-iets-fuzz-diff-0.0.0.drv
  /nix/store/sbd7vq1wnpyijjg3qd1mskr4wrg1lfa6-iets-fuzz-parse-check.drv