these 2 derivations will be built:
  /nix/store/q9ggicpcfznyzsz7vwmm28vwi0qwc848-flake-inputs.drv
  /nix/store/sr7a6njza2y4bgzidq2bdgryk5z1pikk-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy