these 3 derivations will be built:
  /nix/store/ixkfr4v37rhym62sa5hrgyv6189l85hv-iets-fuzz-diff-0.0.0.drv
  /nix/store/kgrvjvphfs65fcb8s3lmcrs6mb7mrpwq-iets-fuzzers-0.0.0.drv
  /nix/store/wh4npkknnr3jnxnb47nllsamaw9424fw-iets-fuzz-parse-check.drv