this derivation will be built: /nix/store/qsfw152bmazbm9139kixlvmqb2fc6jxq-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/qsfw152bmazbm9139kixlvmqb2fc6jxq-bcachefs-module-7.0.0-28-generic.drv'...