these 2 derivations will be built:
  /nix/store/j88r45zq9dbgzn6d4bxj9xjzxpn5j5iw-cargo-vendor-dir.drv
  /nix/store/kgrgm36s867iixf3m0hsslf32j6f0akd-herdr-autoname-0.1.0.drv