these 5 derivations will be built:
  /nix/store/f55kc8y703f766izvpg3297hx3w5r8sx-source.drv
  /nix/store/k64vdawisf59hgf23psxynls8n8xw50y-vendor-registry.drv
  /nix/store/nsdsnym146a23j4mmz7x8icw5bcrf5h1-vendor-cargo-deps.drv
  /nix/store/zyk92risjhy4fv3d4n6gq9237fxmi2a8-harmonia-deps-3.2.0.drv
  /nix/store/v24irzyfra18xyi90fpzf0b6kr5bjnsc-harmonia-3.2.0.drv