these 3 derivations will be built:
  /nix/store/ckvc9lfkixylzb9srg9dszvp7xdw0yyn-iets-fuzz-diff-0.0.0.drv
  /nix/store/wc7qp56pbcj68k1yg1r4jn8s7b7p5zcz-iets-fuzzers-0.0.0.drv
  /nix/store/vln6qs60lnz1fr6qgs95jm40bkn8b84c-iets-fuzz-drv-check.drv