these 2 derivations will be built:
  /nix/store/z0ckxf2cx46bzvqj9j4w1ahvkliafanb-flake-inputs.drv
  /nix/store/wqbcd49q6y9jiwdyvaasnmk2mgsbr4sb-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy