{"record":{"id":"e226a9a74ee6b7a1","repo":"vectordotdev/vector","slug":"failed-to-build-vector-for-example-validation","errorCode":null,"errorMessage":"Failed to build Vector for example validation","messagePattern":"Failed to build Vector for example validation","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"vdev/src/commands/check/component_examples.rs","lineNumber":407,"sourceCode":"    mapping\n        .keys()\n        .find_map(YamlValue::as_str)\n        .map(str::to_owned)\n        .ok_or_else(|| anyhow!(\"{description} has no component identifier\"))\n}\n\nfn vector_binary(repo_root: &Path) -> Result<PathBuf> {\n    if let Some(vector_bin) = std::env::var_os(\"VECTOR_BIN\") {\n        return Ok(PathBuf::from(vector_bin));\n    }\n\n    let status = Command::new(\"cargo\")\n        .current_dir(repo_root)\n        .args([\"build\", \"--bin\", \"vector\"])\n        .status()\n        .context(\"Failed to build Vector for example validation\")?;\n    if !status.success() {\n        bail!(\"Failed to build Vector for example validation\")\n    }\n\n    let target_dir = std::env::var_os(\"CARGO_TARGET_DIR\").map_or_else(\n        || repo_root.join(\"target\"),\n        |path| {\n            let path = PathBuf::from(path);\n            if path.is_absolute() {\n                path\n            } else {\n                repo_root.join(path)\n            }\n        },\n    );\n    let vector_bin = target_dir\n        .join(\"debug\")\n        .join(format!(\"vector{}\", std::env::consts::EXE_SUFFIX));\n    if !vector_bin.is_file() {\n        bail!(","sourceCodeStart":389,"sourceCodeEnd":425,"githubUrl":"https://github.com/vectordotdev/vector/blob/bdb87aeaa4c4ff27c0ba643c1c77b21bf2ef4013/vdev/src/commands/check/component_examples.rs#L389-L425","documentation":"During example validation, `vdev` attempts to build the `vector` binary via `cargo build --bin vector`. If cargo fails or returns a non-zero exit status, the command bails so validation cannot proceed without a binary.","triggerScenarios":"`cargo build --bin vector` exits with an error (compile failure) or the spawned command itself fails, in `vector_binary` called from `validate_examples`.","commonSituations":"Broken workspace after recent edits; missing system dependencies; disk full; wrong toolchain; running the check on a partial feature set that fails to compile.","solutions":["Run `cargo build --bin vector` directly to see the real compiler error.","Fix the compile error or missing build dependency.","Ensure the correct toolchain (`rustup show`) and enough disk space, then re-run the check."],"exampleFix":null,"handlingStrategy":"retry","validationCode":"cargo build --bin vector && test -f target/debug/vector","typeGuard":null,"tryCatchPattern":"let out = Command::new(\"cargo\").args([\"build\",\"--bin\",\"vector\"]).output()?;\nif !out.status.success() { bail!(\"build failed: {}\", String::from_utf8_lossy(&out.stderr)); }","preventionTips":["Ensure the workspace compiles with `cargo check` before running vdev checks.","Keep the toolchain current (`rustup update`).","Watch for disk-space issues in CI runners."],"tags":["build","cargo","rust"],"backgroundTag":"command-not-found","analyzedSha":"bdb87aeaa4c4ff27c0ba643c1c77b21bf2ef4013","analyzedAt":"2026-09-16T02:53:35.741Z","contentChangedAt":"2026-09-16T02:53:35.741Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}