this derivation will be built:
  /nix/store/alvfvbbfx5y48bz72lxqnb9dhcfkz7n5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/alvfvbbfx5y48bz72lxqnb9dhcfkz7n5-bcachefs-module-7.0.0-31-generic.drv'...