these 2 derivations will be built:
  /nix/store/2j8h5mgmh3g3f8f085ipm6nwbzs49hj0-flake-inputs.drv
  /nix/store/4aafcjan3lijan0a36nvlx4wm9wrj2m4-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