these 3 derivations will be built:
  /nix/store/p2r0l5pjgrg08xnbj0snbqp3fjw399rn-serde_json-1.0.154.drv
  /nix/store/cmh79858c6i53qdbm8qvpgmwp8h5zr8a-cargo-vendor-dir.drv
  /nix/store/2yajlc0ddcwlqp81g8lx231nqwsrzgb9-nix-wire-0.1.0.drv