this derivation will be built: /nix/store/svwf8d9nabkbwi7bdw1qx2wdkm3hfc3l-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/svwf8d9nabkbwi7bdw1qx2wdkm3hfc3l-bcachefs-module-7.0.0-39-generic.drv'...