these 3 derivations will be built:
  /nix/store/v6dfnvgfl1412a1g6s55jax1axnkcwac-iets-fuzzers-0.0.0.drv
  /nix/store/wvzq053s7h07kdxw23hwbxpv3sind52q-iets-fuzz-diff-0.0.0.drv
  /nix/store/dkmsj8z0pka5ivapnx9v1x4sq1hi62g9-iets-fuzz-drv-check.drv