these 3 derivations will be built:
  /nix/store/gbhbmlfj7jx6zsc8qvnjjhgyv3fzwwyy-rendered.drv
  /nix/store/jkbf11wqlnihzmpgbx3cxyb26ca14gxg-generated-docs.drv
  /nix/store/j7nw1m1sjvwidhgiqazhzickddq5dbx9-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy