this derivation will be built: /nix/store/asr0f0xqgy9zlysvvglryfsvf94p6qb6-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/asr0f0xqgy9zlysvvglryfsvf94p6qb6-bcachefs-module-7.0.0-38-generic.drv'...