this derivation will be built:
  /nix/store/c70ci5sx63f399ni6pfjx358qb1viz4f-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/c70ci5sx63f399ni6pfjx358qb1viz4f-bcachefs-module-7.0.0-28-generic.drv'...