{"record":{"id":"5bea730f5bd16b6a","repo":"zeroclaw-labs/zeroclaw","slug":"lucid-command-failed-stderr","errorCode":null,"errorMessage":"lucid command failed: {stderr}","messagePattern":"lucid command failed: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/zeroclaw-memory/src/lucid.rs","lineNumber":312,"sourceCode":"                        })),\n                    \"lucid command timed out\"\n                );\n                if let Some(cleanup_error) = cleanup_error {\n                    anyhow::bail!(\n                        \"lucid command timed out after {}ms; failed to terminate and reap child: {cleanup_error}\",\n                        timeout_window.as_millis()\n                    );\n                }\n                anyhow::bail!(\n                    \"lucid command timed out after {}ms\",\n                    timeout_window.as_millis()\n                );\n            }\n        };\n\n        if !status.success() {\n            let stderr = String::from_utf8_lossy(&stderr_bytes);\n            anyhow::bail!(\"lucid command failed: {stderr}\");\n        }\n\n        Ok(String::from_utf8_lossy(&stdout_bytes).to_string())\n    }\n\n    async fn run_lucid_command(\n        &self,\n        args: &[String],\n        timeout_window: Duration,\n    ) -> anyhow::Result<String> {\n        Self::run_lucid_command_raw(&self.lucid_cmd, args, timeout_window).await\n    }\n\n    fn build_store_args(&self, key: &str, content: &str, category: &MemoryCategory) -> Vec<String> {\n        let payload = format!(\"{key}: {content}\");\n        vec![\n            \"store\".to_string(),\n            payload,","sourceCodeStart":294,"sourceCodeEnd":330,"githubUrl":"https://github.com/zeroclaw-labs/zeroclaw/blob/88bb9c8533fc57ed7a03e36ca7c9ed2bf8336dcc/crates/zeroclaw-memory/src/lucid.rs#L294-L330","documentation":"The lucid subprocess ran to completion but exited non-zero; its stderr is captured and surfaced verbatim in the error. This is lucid's own failure (authentication, bad invocation, missing data) rather than a timeout or transport problem on the zeroclaw side — the child answered, it just failed.","triggerScenarios":"wait_for_lucid_child checks !status.success() after the child exits: lucid CLI not authenticated or its credentials expired, an unsupported lucid version or subcommand, or lucid-side errors such as a missing remote dataset — the reason is in stderr.","commonSituations":"Expired lucid API token; lucid binary updated with breaking CLI changes; environment variables for lucid missing in the service context; remote workspace deleted on the lucid side.","solutions":["Read the stderr text embedded in the message — it is lucid's own error and usually names the fix.","Reproduce by running the same lucid command manually with the same user/env.","Re-authenticate lucid or roll back/pin the lucid CLI version to one matching this integration."],"exampleFix":"# diagnose: run the failing command manually\n$ lucid --version\n$ lucid search \"test query\"\n# re-auth if stderr mentions credentials\n$ lucid login","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"match run_lucid_command(&args).await {\n    Ok(stdout) => Ok(parse(stdout)),\n    Err(e) => {\n        let msg = e.to_string();\n        if let Some(stderr) = msg.strip_prefix(\"lucid command failed: \") {\n            // classify: auth failures are operator-actionable and not retryable\n            if stderr.contains(\"auth\") || stderr.contains(\"credential\") {\n                return Err(e.context(\"lucid needs re-authentication\"));\n            }\n        }\n        Err(e)\n    }\n}","preventionTips":["Run a lucid smoke command (e.g. lucid --version plus a trivial query) at service startup so auth/version problems surface at boot.","Pin the lucid CLI version in deployment scripts so breaking CLI changes are caught in staging.","Pass the same environment (PATH, lucid config dir) to the subprocess as to manual testing."],"tags":["lucid","subprocess","stderr","external-cli","nonzero-exit"],"backgroundTag":"external-command-failed","analyzedSha":"88bb9c8533fc57ed7a03e36ca7c9ed2bf8336dcc","analyzedAt":"2026-08-23T01:07:41.857Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}