xai-org/grok-build · error

Failed to exec: {}

Error message

Failed to exec: {}

What it means

Error "Failed to exec: {}" thrown in xai-org/grok-build.

Source

Thrown at crates/codegen/xai-grok-update/src/auto_update.rs:910

    let exe = resolve_restart_exe()?;
    let mut cmd = Command::new(exe);
    for arg in std::env::args_os().skip(1) {
        cmd.arg(arg);
    }
    cmd.env_clear();
    cmd.envs(std::env::vars_os().filter(|(k, _)| k != "GROK_AUTO_UPDATE"));
    eprintln!("Restarting Grok...");

    // Use exec on Unix to replace the current process, avoiding stdio issues
    // when the parent exits. On Windows, fall back to spawn + exit.
    #[cfg(unix)]
    {
        // Flush output before exec to ensure messages are visible
        let _ = io::stdout().flush();
        let _ = io::stderr().flush();
        let err = cmd.exec();
        // exec only returns if there was an error
        anyhow::bail!("Failed to exec: {}", err);
    }

    #[cfg(not(unix))]
    {
        // Flush output before exit to ensure messages are visible
        let _ = io::stdout().flush();
        let _ = io::stderr().flush();
        cmd.stdin(Stdio::inherit())
            .stdout(Stdio::inherit())
            .stderr(Stdio::inherit());
        #[allow(clippy::disallowed_methods)] // the relaunched CLI replaces this process
        let _ = cmd.spawn()?;
        std::process::exit(0);
    }
}

pub async fn run_install_script(
    installer: &str,

View on GitHub (pinned to bc7f02eddd)

When it happens

Trigger: Thrown at crates/codegen/xai-grok-update/src/auto_update.rs:910 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of xai-org/grok-build@bc7f02eddd (2026-08-31). Data as JSON: /api/errors/75afda91aee81799. Report an issue: GitHub.