zed-industries/zed · error

Failed to rename temp file to final output

Error message

Failed to rename temp file to final output

What it means

A panic in the edit-prediction CLI when, after writing results to the in-place temp file (.jsonl.tmp), renaming it over the final output path fails (e.g. cross-device or permission error). The rewrite-in-place workflow cannot complete, so the CLI aborts.

Source

Thrown at crates/edit_prediction_cli/src/main.rs:1575

                                &examples,
                                summary_path,
                                Some(args.related_context_limit * 3),
                                context_source_filter.as_deref(),
                            )?;
                        }
                    }
                    Command::Repair(args) => {
                        let examples = finished_examples.lock().unwrap();
                        repair::print_report(&examples, args.confidence_threshold);
                    }
                    _ => (),
                };

                // For --in-place, atomically rename temp file to original
                if let Some(temp_path) = &in_place_temp_path {
                    let final_path = output.as_ref().expect("in_place_temp_path requires output");
                    std::fs::rename(temp_path, final_path)
                        .expect("Failed to rename temp file to final output");
                }

                anyhow::Ok(())
            }
            .await;

            if let Err(e) = result {
                panic!("Fatal error: {:?}", e);
            }

            let _ = cx.update(|cx| cx.quit());
        })
        .detach();
    });
}

fn rewrite_output(
    examples: &[Example],

View on GitHub (pinned to f4178619ac)

Solutions

1. Check the temp `.jsonl.tmp` still exists and manually rename it over the output
2. Ensure temp and output are on the same filesystem
3. Close processes holding the output file open

When it happens

Trigger: Thrown at crates/edit_prediction_cli/src/main.rs:1575 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@f4178619ac (2026-08-20). Data as JSON: /api/errors/1652aca4aea92165. Report an issue: GitHub.