these 3 derivations will be built:
  /nix/store/581fnaxz8d6s75nhm2c21hfcr8vwmxqh-iets-fuzz-diff-0.0.0.drv
  /nix/store/mypwk1rzlpwhjbrs260d3jbb4749zk9k-iets-fuzzers-0.0.0.drv
  /nix/store/48wvlm0845yy9g38cq8w30a4mdw9yk93-iets-fuzz-parse-check.drv