these 6 derivations will be built:
  /nix/store/rx9xnqhhzs0lh7sljcwgrs4xp8hy65i8-clan-cli-source.drv
  /nix/store/njzdssqgk94b403m1kjc4qb115wpysnc-clan-cli.drv
  /nix/store/6qxp4wf8icklyhnrl4n94vpl2rgpppvd-render-options.drv
  /nix/store/4lnfzpsxg8sc0i3jykjrl5jkcpc69jjs-rendered.drv
  /nix/store/izs4yrpc9kw7d7vnphwhznafkn5434dj-generated-docs.drv
  /nix/store/1fbbjxzmf1q452mmfdmi1jnvsr9gwaf5-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy