these 3 derivations will be built:
  /nix/store/7m2ilk94ccra3rqlsi8pvipb3wr89s4m-iets-fuzzers-0.0.0.drv
  /nix/store/qhv7bkr3b0r8j0s36xg9jj2nfxhk8wl2-iets-fuzz-diff-0.0.0.drv
  /nix/store/24ixic0s2sw9rlr5zb6ys1ax32x1y9jx-iets-fuzz-drv-eval-check.drv