this derivation will be built:
  /nix/store/yipvrp1w5v6q73wcnclx9wvlvk2619bm-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/yipvrp1w5v6q73wcnclx9wvlvk2619bm-bcachefs-module-7.0.0-31-generic.drv'...