these 3 derivations will be built:
  /nix/store/cybnkpv0gar9hnw0bhxfqaaw7mpih3c0-iets-fuzzers-0.0.0.drv
  /nix/store/p72f35b5p9n46pp8gjnyhklyxwdlza6i-iets-fuzz-diff-0.0.0.drv
  /nix/store/dcr6yc0q8gpgl3azj7m9diq96cs215mn-iets-fuzz-parse-check.drv