these 2 derivations will be built:
  /nix/store/7fzx3d2qpqg2svs9dzkfcas7clasbqbc-cargo-vendor-dir.drv
  /nix/store/a7kkr68bxywd2mhqxmh5xibpg9bhnh14-horae-sqlx-prepare-0.1.0.drv