this derivation will be built:
  /nix/store/xrl8fw0x876ng37bm35lyy47ii4yh7fx-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/xrl8fw0x876ng37bm35lyy47ii4yh7fx-bcachefs-module-7.0.0-29-generic.drv'...