these 3 derivations will be built:
  /nix/store/1ns43cb63ag4lk6z17xipj7ndwg9fkg2-iets-fuzzers-0.0.0.drv
  /nix/store/62lmi7zz8fl6f8hz2pvq430wg6dlgmpc-iets-fuzz-diff-0.0.0.drv
  /nix/store/3hsg8pw56981wl0cs2z40yg0pfb7gqcm-iets-fuzz-parse-check.drv