this derivation will be built: /nix/store/46ka2hkkzhfdpap791sgzi9bqzmk9413-bcachefs-module-7.0.0-30-generic-64k.drv building '/nix/store/46ka2hkkzhfdpap791sgzi9bqzmk9413-bcachefs-module-7.0.0-30-generic-64k.drv'...