this derivation will be built:
  /nix/store/dyaiwn6m017yi0r430v2zgbi7i0g61dc-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dyaiwn6m017yi0r430v2zgbi7i0g61dc-bcachefs-module-7.0.0-39-generic.drv'...