these 2 derivations will be built:
  /nix/store/8pzcb2wrgfx20sl0d1a5gsp4a8a8qf0p-cargo-vendor-dir.drv
  /nix/store/dnrdxhjlx51dvzymyg7p5737flg7nra8-horae-sqlx-prepare-0.1.0.drv