these 2 derivations will be built:
  /nix/store/2fpg2p3j6vq3q18hw9yhmzaijllrznh5-flake-inputs.drv
  /nix/store/yawb0r1nxjdzgm6wx6d8v5nchf7l7g21-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy