these 2 derivations will be built:
  /nix/store/0hhg4qx8w5myvmpnj8hbsvyr63q4hab6-cargo-vendor-dir.drv
  /nix/store/lvsgh1bsbvqcvx4h8i3mvlxibvcr90hf-horae-sqlx-prepare-0.1.0.drv