Hmbown/CodeWhale · error

inline stderr logger panicked

Error message

inline stderr logger panicked

What it means

Error "inline stderr logger panicked" thrown in Hmbown/CodeWhale.

Source

Thrown at crates/lane/src/runtime.rs:1021

        let stderr = child
            .stderr
            .take()
            .context("inline lane child stderr was not piped")?;
        let stdout_log = record.log_path.clone();
        let stderr_log = record.log_path.clone();
        let stdout_thread =
            thread::spawn(move || stream_child_output(stdout, stdout_log, "stdout"));
        let stderr_thread =
            thread::spawn(move || stream_child_output(stderr, stderr_log, "stderr"));
        let status = child
            .wait()
            .with_context(|| format!("wait for inline command {:?}", spec.command))?;
        let stdout_result = stdout_thread
            .join()
            .map_err(|_| anyhow::anyhow!("inline stdout logger panicked"))?;
        let stderr_result = stderr_thread
            .join()
            .map_err(|_| anyhow::anyhow!("inline stderr logger panicked"))?;
        let logging_error = stdout_result.err().or_else(|| stderr_result.err());

        if status.success() && logging_error.is_none() {
            append_log_event(
                &record.log_path,
                serde_json::json!({"type": "lane_completed", "lane_id": record.id}),
            )?;
            let _ = registry.mark_terminal_if_active(record, LaneStatus::Completed)?;
        } else {
            append_log_event(
                &record.log_path,
                serde_json::json!({
                    "type": "lane_failed",
                    "lane_id": record.id,
                    "status": format!("{status}"),
                    "logging_error": logging_error.as_ref().map(ToString::to_string),
                }),
            )?;

View on GitHub (pinned to 8880682c63)

When it happens

Trigger: Thrown at crates/lane/src/runtime.rs:1021 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Hmbown/CodeWhale@8880682c63 (2026-08-16). Data as JSON: /api/errors/9d088ec5d13ce46d. Report an issue: GitHub.