these 2 derivations will be built:
  /nix/store/y2x183k60czjmsqkl88avhynj0ym6wdn-cargo-vendor-dir.drv
  /nix/store/5wn166hx6h322mb4gscmlxl4yq2l2g5c-horae-sqlx-prepare-0.1.0.drv