these 3 derivations will be built:
  /nix/store/5ndrvyfl93zxxfd5nssiwprd8l58cvig-rendered.drv
  /nix/store/yci79v6r70dab10s5n2va1y3mkm4wrmz-generated-docs.drv
  /nix/store/1yn9wrn96cnfwb5hq5fnyz4n1m01x1bw-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy