these 3 derivations will be built:
  /nix/store/6k295vrchgzmg0g9hwz3nli1y30mcdby-rendered.drv
  /nix/store/1ng8a7b1b6ax17hymy4lyvkinflm1sca-generated-docs.drv
  /nix/store/5xb57r2yl17xh4qc0wk02w91xqw889mx-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy