these 8 derivations will be built:
  /nix/store/x19pnp9q6g01z5673cxx45zv4k4cskcj-clan-cli-source.drv
  /nix/store/858pixav4qf6pa6akqwyc0gkkxifrba9-clan-cli.drv
  /nix/store/z3p2hhqvgdnl917m02dnnykhqmycv311-tofu.drv
  /nix/store/7x20h6brg2rg010jzn2hxc2a96wd8fjw-plan.drv
  /nix/store/fbbv54ybk96hpvrvccmv5xz9s0qsvfhq-apply.drv
  /nix/store/r9hrdywzvjs1bxmhz6j8yx144apsz789-destroy.drv
  /nix/store/x4kq7sp0hh0qj2lhwvf7np1ay6593z9j-init.drv
  /nix/store/q43ac6ccacyx13g94bjkpjnnahmqqlvh-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy