these 3 derivations will be built:
  /nix/store/z2fvpljx1ff6f809fwnp6wy3c3d7rqqf-rendered.drv
  /nix/store/v6gpgb6ihkh2a568zvg945qxzgbzn8ss-generated-docs.drv
  /nix/store/hy461cnq01pplxsyx22jhs5pgddxigvl-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy