these 5 derivations will be built:
  /nix/store/bnc66ir0icsrvbkmxvpy63a6ipl07isl-source.drv
  /nix/store/4vq63dr83ls234wk6r7bvr2zsz8mxyyr-vendor-registry.drv
  /nix/store/jnghhvxnxlfpr8c3k7jln9zagnjcy8qb-vendor-cargo-deps.drv
  /nix/store/h4x222hb81z1dgrlyav9jmqgci6g1pwp-harmonia-deps-3.1.0.drv
  /nix/store/0ivcca36r4yzimxsarylcivg6xvgsn4x-harmonia-3.1.0.drv