these 2 derivations will be built:
  /nix/store/px2iysif0nna0kzvfj60ip6bv3gch48z-cargo-vendor-dir.drv
  /nix/store/xhzz1x4b5j3mhb9c05nq2h0dqks2fmlv-herdr-autoname-0.1.0.drv