this derivation will be built: /nix/store/ib58nbm0q4fswbxl8658y939l6hp0h4v-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/ib58nbm0q4fswbxl8658y939l6hp0h4v-bcachefs-module-7.0.0-39-generic.drv'...