these 2 derivations will be built:
  /nix/store/dimjzhf019q50w08lrbj5ykdkvrpsqwl-flake-inputs.drv
  /nix/store/9g6z2ag84lrr6dkbpyy7yfrz42psh7nc-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy