these 2 derivations will be built:
  /nix/store/1w25wypw1kxvfa0lqrxxw8gnmzkb13pi-flake-inputs.drv
  /nix/store/zsh3m5sid4v2gk79wx4rp2z8mpfi67n3-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy