this derivation will be built:
  /nix/store/yqlh9y728h8wy5d95sm30hx4zw4aysn6-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/yqlh9y728h8wy5d95sm30hx4zw4aysn6-bcachefs-module-7.0.0-34-generic.drv'...