these 5 derivations will be built:
  /nix/store/bbsp0cj4ijj5wgzj1r5f6za5jrdw1rfm-source.drv
  /nix/store/sir3h5zbcz4aphsvqxgmck1578cdlr3n-vendor-registry.drv
  /nix/store/gfyx6h84jrzpqk0pwr98y2s3jxrkbqqz-vendor-cargo-deps.drv
  /nix/store/66x8q9naw2801j652q529k09jan05kq1-harmonia-deps-3.2.0.drv
  /nix/store/d9wl1xf2g672nnl1z1c33cpx46i9x8ll-harmonia-3.2.0.drv