these 6 derivations will be built:
  /nix/store/asnb4x8sdx0056nwg84x5fvr1hbwhjz7-clan-cli-source.drv
  /nix/store/q7d3a33x5xdhfkipd053zfb9k45qi1j0-clan-cli.drv
  /nix/store/lpx8c4bwf40ay16s01mrh9pbgwpv8nq3-render-options.drv
  /nix/store/46pi9k5snlj0swcnfdri6yf3ypw2xaf4-rendered.drv
  /nix/store/cis7y0aqlzc83ad7x4f7sgfim272l5sl-generated-docs.drv
  /nix/store/xmpv63xqz7axvq4ajqz9h3g4a9f4rbzm-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy