these 3 derivations will be built:
  /nix/store/23v3ncx2f07frgqghv8kk8nrwnmcdb41-rendered.drv
  /nix/store/b8k9i0jaa50y1db12p2r5jqgwhy8mr09-generated-docs.drv
  /nix/store/9nymiyivwcg9548p1cljrncbkw2d32kk-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