these 5 derivations will be built:
  /nix/store/605nvmw6wgi2jx4k7h5ah0q2xaw4vzfd-vendor-registry.drv
  /nix/store/kcdfxalnavs1ihqaciq9gwyv3hfqgcdc-vendor-cargo-deps.drv
  /nix/store/yqdwdknpq19wwnb2zgjk7v6k9wnd4qc8-source.drv
  /nix/store/35cnzjxi67d0djx8py3b5n2ax7chkxrp-harmonia-deps-3.1.0.drv
  /nix/store/8jv3b5pnrpizlafgx3iiaqd7b60507k9-harmonia-3.1.0.drv