these 3 derivations will be built:
  /nix/store/5bdf0dsppfbv0csr3j07lkp452yily5j-rendered.drv
  /nix/store/rqhx5v9d4anjwdvfl5cqxwjq41fvd1gr-generated-docs.drv
  /nix/store/d7pi61lnsv9plg3cym4can1pgx77qxs7-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy