these 3 derivations will be built:
  /nix/store/42hhi6vpq1q8ph8rjnbd479nsk6incy5-iets-fuzz-diff-0.0.0.drv
  /nix/store/fqdskzwsnwss375r68hpv0171xzmkf3b-iets-fuzzers-0.0.0.drv
  /nix/store/3vpbm8849qgvkf1q0b6v21bpxfszi74n-iets-fuzz-parse-check.drv