these 3 derivations will be built:
  /nix/store/kziqz7ihpjl77s9bq9bbw6pvrc87ljq8-rendered.drv
  /nix/store/41f6wqab66j6xnb004rxmzanln971k67-generated-docs.drv
  /nix/store/62f2rjb54wjf12lmdzl1y6aimm7xla42-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy