these 3 derivations will be built:
  /nix/store/70q3axja62js765nykmyh03df6pxc5sl-iets-fuzz-diff-0.0.0.drv
  /nix/store/bk76r9cnhzb8ka6cipljbfc76jhfcqdl-iets-fuzzers-0.0.0.drv
  /nix/store/87112xzlkrj8pqi1ypihjzp17an5pcn3-iets-fuzz-drv-check.drv