these 3 derivations will be built:
  /nix/store/l215jchlbgaad6rfzf47fcv8wnfd2irz-rendered.drv
  /nix/store/czfbxrn9kc49d5lj26lm96nblrfc9px7-generated-docs.drv
  /nix/store/jvh59mcg8n918qh1da13cwapqdrcdkhn-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