these 2 derivations will be built:
  /nix/store/qxw4pw0gybgwbnj0si4157g8sc40i942-flake-inputs.drv
  /nix/store/bxm2hlh5ic3wwri5jqsqswp0264294xr-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy