this derivation will be built:
  /nix/store/a3h6cf9ql1gkl3qnjvkx56z8h2k1hzcy-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/a3h6cf9ql1gkl3qnjvkx56z8h2k1hzcy-bcachefs-module-7.0.0-31-generic.drv'...