RepoRadar hands-on verification log run_id: cohort-20260714-langflow-lfx-local-graph-workflow entity_id: gh:langflow-ai/langflow mode: local_smoke started_at: 2026-07-14T05:36:15.143533Z completed_at: 2026-07-14T05:37:30.460277Z duration_seconds: 75.317 installation_setup_minutes_ceiling: 2 command: \AppData\Local\hermes\bin\uv.EXE run --isolated --no-project --with langflow==1.10.2 python workflow.py setup_commands: none credential_policy: child environment allowlisted; credential-like variables excluded; known token patterns redacted from retained output network_policy: isolated package resolution may contact package registries; telemetry and Promptfoo sharing disabled; no model/provider credentials supplied fixture_count: 2 artifact_expectation_count: 2 timeout_seconds: 600 timed_out: false exit_code: 1 expected_marker: CHECK_OK graph=chat-text-text-chat components=4 edges=3 result=REPORADAR_LANGFLOW_FIXTURE_7319 telemetry=off expected_marker_observed: false result: failed cleanup: Per-check temporary home and work directory removed. ===== FIXTURE MANIFEST ===== flow.py: bytes=541 sha256=72c0b8bc4c9d8df539cfaa8d9985d390f2eb056e1607a52401732fd379aaad2b workflow.py: bytes=1552 sha256=00b276de0626d80120b6a0432c36ddc2ab5477a5728488af853ee9f8affef0b4 ===== ARTIFACT EVIDENCE ===== result.json: exists=false validation_error=FileNotFoundError: [Errno 2] No such file or directory: '\\AppData\\Local\\Temp\\reporadar-langflow-lfx-local-graph-workflow-zww38i9q\\work\\result.json' transcript.json: exists=false validation_error=FileNotFoundError: [Errno 2] No such file or directory: '\\AppData\\Local\\Temp\\reporadar-langflow-lfx-local-graph-workflow-zww38i9q\\work\\transcript.json' ===== STDOUT ===== ===== STDERR ===== Downloading google-api-python-client (14.9MiB) Downloading pyright (5.9MiB) Downloading google-cloud-aiplatform (8.9MiB) Downloading lxml (3.8MiB) Downloading jedi (4.7MiB) Downloading lfx (2.4MiB) Downloading tokenizers (2.6MiB) Downloading docling-parse (10.9MiB) Downloading scipy (34.9MiB) Downloading torch (116.4MiB) Downloading cassandra-driver (2.7MiB) Downloading cuga (3.2MiB) Downloading torchvision (3.6MiB) Downloading pypdfium2 (3.6MiB) Downloading babel (9.7MiB) Downloading faiss-cpu (13.2MiB) Downloading onnxruntime (12.8MiB) Downloading langflow-base (16.8MiB) Downloading grpcio (4.6MiB) Downloading plotly (9.5MiB) Downloading transformers (11.0MiB) Downloading cryptography (3.6MiB) Downloading psycopg-binary (3.4MiB) Downloading opencv-python-headless (41.8MiB) Downloading botocore (13.4MiB) Downloading pywin32 (6.6MiB) Downloading pillow (6.9MiB) Downloading pandas (10.8MiB) Downloading primp (4.4MiB) Downloading numpy (12.0MiB) Downloading scikit-image (11.3MiB) Downloading magika (11.8MiB) Downloading rapidocr (26.0MiB) Downloading opencv-python (42.0MiB) Downloading nicegui (19.3MiB) Downloading couchbase (4.3MiB) Downloading duckdb (12.5MiB) Downloading sympy (6.0MiB) Downloading pyarrow (26.3MiB) Downloading ibm-db (27.4MiB) Downloading playwright (36.1MiB) Downloading scikit-learn (7.9MiB) Downloading chromadb (22.5MiB) Downloading unitxt (31.4MiB) Downloading easyocr (2.7MiB) Downloading matplotlib (8.9MiB) Downloading impit (3.7MiB) Downloading langchain-community (2.3MiB) Downloading fonttools (2.2MiB) Downloaded fonttools Downloading sqlalchemy (2.0MiB) Downloaded tokenizers Downloaded lfx Downloaded langchain-community Downloading pydantic-core (2.0MiB) Downloading networkx (2.0MiB) Downloading faker (2.0MiB) Downloaded easyocr Downloaded cassandra-driver Downloading opik (1.8MiB) Downloading kubernetes (1.8MiB) Downloaded cuga Downloading pip (1.7MiB) Downloaded psycopg-binary Downloading pycryptodome (1.7MiB) Downloaded pypdfium2 Downloaded torchvision Downloading ag2 (1.6MiB) Downloading shapely (1.6MiB) Downloaded impit Downloading nltk (1.6MiB) Downloaded cryptography Downloading cramjam (1.6MiB) Downloaded lxml Downloading openai (1.6MiB) Downloaded couchbase Downloading rapidfuzz (1.5MiB) Downloaded primp Downloaded grpcio Downloading black (1.4MiB) Downloading beartype (1.3MiB) Downloaded sqlalchemy Downloaded pydantic-core Downloaded networkx Building ibm-cos-sdk-core==2.14.3 Downloading pygments (1.2MiB) Downloading ibm-watsonx-ai (1.1MiB) Downloading setuptools (1.0MiB) Downloaded kubernetes Downloaded faker Downloaded opik Downloaded pip Built ibm-cos-sdk-core==2.14.3 Downloaded pycryptodome Downloaded shapely Downloaded nltk Downloaded ag2 Downloaded cramjam Downloaded openai Downloaded setuptools Building cuid==0.4 Downloaded ibm-watsonx-ai Downloaded pygments Downloaded beartype Built cuid==0.4 Downloaded rapidfuzz Downloaded black Downloaded sympy Building pysher==1.0.8 Built pysher==1.0.8 Downloaded pywin32 Downloaded pillow Downloaded jedi Downloaded scikit-learn Downloaded pyright Downloaded matplotlib Downloaded google-cloud-aiplatform Building google-search-results==2.4.2 Built google-search-results==2.4.2 Downloaded plotly Downloaded babel Building pylatexenc==2.10 Built pylatexenc==2.10 Building ibm-cos-sdk-s3transfer==2.14.3 Building antlr4-python3-runtime==4.9.3 Downloaded pandas Built antlr4-python3-runtime==4.9.3 Built ibm-cos-sdk-s3transfer==2.14.3 Downloaded transformers Downloaded docling-parse Building wikipedia==1.4.0 Downloaded magika Built wikipedia==1.4.0 Downloaded numpy Downloaded scikit-image Building ibm-cos-sdk==2.14.3 Downloaded duckdb Downloaded onnxruntime Downloaded faiss-cpu Built ibm-cos-sdk==2.14.3 Downloaded botocore Downloaded google-api-python-client Building litellm==1.92.0 Downloaded langflow-base Downloaded nicegui Downloaded chromadb Downloaded pyarrow Downloaded rapidocr Downloaded ibm-db Downloaded scipy Downloaded playwright Downloaded unitxt Downloaded opencv-python-headless Downloaded opencv-python Downloaded torch × Failed to build `litellm==1.92.0` ├─▶ The build backend returned an error ╰─▶ Call to `maturin.build_wheel` failed (exit code: 1) [stdout] Running `maturin pep517 build-wheel -i \AppData\Local\Temp\reporadar-cohort-cache-i4e1in1j\uv\builds-v0\.tmpjUj7Af\Scripts\python.exe --compatibility off` Rust not found, installing into a temporary directory cargo 1.97.0 (c980f4866 2026-06-30) [stderr] Python reports platform: win-amd64 Computed rustc target triple: x86_64-pc-windows-msvc Installation directory: \AppData\Local\Temp\reporadar-langflow-lfx-local-graph-workflow-zww38i9q\home\AppData\Local\puccinialin\puccinialin\Cache Downloading rustup-init from https://static.rust-lang.org/rustup/dist/x86_64-pc-windows-msvc/rustup-init.exe Downloading rustup-init: 0%| | 0.00/12.8M [00:00\AppData\Local\Temp\reporadar-langflow-lfx-local-graph-workflow-zww38i9q\home\AppData\Local\puccinialin\puccinialin\Cache\rustup warn: It looks like you have an existing rustup settings file at: warn: \AppData\Local\Temp\reporadar-langflow-lfx-local-graph-workflow-zww38i9q\home\AppData\Local\puccinialin\puccinialin\Cache\rustup\settings.toml warn: Rustup will install the default toolchain as specified in the settings file, warn: instead of the one inferred from the default host triple. warn: installing msvc toolchain without its prerequisites info: profile set to minimal info: setting default host triple to x86_64-pc-windows-msvc info: syncing channel updates for stable-x86_64-pc-windows-msvc info: latest update on 2026-07-09 for version 1.97.0 (2d8144b78 2026-07-07) info: downloading 3 components info: default toolchain set to stable-x86_64-pc-windows-msvc Checking if cargo is installed Updating crates.io index Downloading crates ... Downloaded autocfg v1.5.1 Downloaded atomic-waker v1.1.2 Downloaded bitflags v2.13.0 Downloaded cfg_aliases v0.2.1 Downloaded block-buffer v0.10.4 Downloaded pyo3-macros v0.23.5 Downloaded futures-task v0.3.32 Downloaded itoa v1.0.18 Downloaded memoffset v0.9.1 Downloaded security-framework v3.7.0 Downloaded futures-macro v0.3.32 Downloaded cfg-if v1.0.4 Downloaded potential_utf v0.1.5 Downloaded equivalent v1.0.2 Downloaded openssl-probe v0.2.1 Downloaded stable_deref_trait v1.2.1 Downloaded tower-layer v0.3.3 Downloaded subtle v2.6.1 Downloaded generic-array v0.14.7 Downloaded tinyvec_macros v0.1.1 Downloaded sync_wrapper v1.0.2 Downloaded crypto-common v0.1.7 Downloaded rustc-hash v2.1.2 Downloaded try-lock v0.2.5 Downloaded tower-service v0.3.3 Downloaded untrusted v0.9.0 Downloaded idna_adapter v1.2.2 Downloaded lru-slab v0.1.2 Downloaded percent-encoding v2.3.2 Downloaded rand_chacha v0.3.1 Downloaded cpufeatures v0.2.17 Downloaded futures-core v0.3.32 Downloaded futures-sink v0.3.32 Downloaded heck v0.5.0 Downloaded form_urlencoded v1.2.2 Downloaded futures-io v0.3.32 Downloaded http-body v1.0.1 Downloaded fnv v1.0.7 Downloaded core-foundation v0.10.1 Downloaded byteorder v1.5.0 Downloaded quote v1.0.46 Downloaded displaydoc v0.2.6 Downloaded rustversion v1.0.22 Downloaded slab v0.4.12 Downloaded http-body-util v0.1.3 Downloaded indoc v2.0.7 Downloaded pin-project-lite v0.2.17 Downloaded rand_chacha v0.9.0 Downloaded rand_core v0.6.4 Downloaded rand_core v0.9.5 Downloaded futures-executor v0.3.32 Downloaded tokio-macros v2.7.0 Downloaded data-encoding v2.11.0 Downloaded find-msvc-tools v0.1.9 Downloaded ipnet v2.12.0 Downloaded ppv-lite86 v0.2.21 Downloaded digest v0.10.7 Downloaded rustls-native-certs v0.8.4 Downloaded security-framework-sys v2.17.0 Downloaded hyper-rustls v0.27.9 Downloaded wasm-bindgen-macro v0.2.126 Downloaded wasm-bindgen-shared v0.2.126 Downloaded httparse v1.10.1 Downloaded once_cell v1.21.4 Downloaded windows-targets v0.52.6 Downloaded utf-8 v0.7.6 Downloaded serde_urlencoded v0.7.1 Downloaded windows-targets v0.53.5 Downloaded unindent v0.2.4 Downloaded core-foundation-sys v0.8.7 Downloaded litemap v0.8.2 Downloaded pyo3-build-config v0.23.5 Downloaded rustls-pki-types v1.14.1 Downloaded schannel v0.1.29 Downloaded futures-channel v0.3.32 Downloaded getrandom v0.2.17 Downloaded quinn-udp v0.5.14 Downloaded yoke-derive v0.8.2 Downloaded version_check v0.9.5 Downloaded wasm-bindgen-futures v0.4.76 Downloaded log v0.4.33 Downloaded zerofrom-derive v0.1.7 Downloaded getrandom v0.3.4 Downloaded pyo3-async-runtimes v0.23.0 Downloaded icu_provider v2.2.0 Downloaded zerofrom v0.1.8 Downloaded want v0.3.1 Downloaded icu_locale_core v2.2.0 Downloaded icu_properties v2.2.0 Downloaded proc-macro2 v1.0.106 Downloaded r-efi v5.3.0 Downloaded ryu v1.0.23 Downloaded base64 v0.22.1 Downloaded windows-link v0.2.1 Downloaded futures v0.3.32 Downloaded sha1 v0.10.6 Downloaded icu_normalizer_data v2.2.0 Downloaded pyo3-ffi v0.23.5 Downloaded rustls-webpki v0.103.13 Downloaded quinn v0.11.11 Downloaded thiserror v1.0.69 Downloaded rand v0.8.6 Downloaded icu_normalizer v2.2.0 Downloaded thiserror-impl v1.0.69 Downloaded synstructure v0.13.2 Downloaded target-lexicon v0.12.16 Downloaded shlex v2.0.1 Downloaded thiserror v2.0.18 Downloaded writeable v0.6.3 Downloaded thiserror-impl v2.0.18 Downloaded tokio-tungstenite v0.24.0 Downloaded bytes v1.12.0 Downloaded bumpalo v3.20.3 Downloaded cc v1.2.65 Downloaded tinystr v0.8.3 Downloaded rand v0.9.4 Downloaded indexmap v2.14.0 Downloaded memchr v2.8.2 Downloaded zeroize v1.9.0 Downloaded zerovec-derive v0.11.3 Downloaded icu_collections v2.2.0 Downloaded js-sys v0.3.103 Downloaded mio v1.2.1 Downloaded pyo3-macros-backend v0.23.5 Downloaded http v1.4.2 Downloaded hyper-util v0.1.20 Downloaded wasi v0.11.1+wasi-snapshot-preview1 Downloaded hashbrown v0.17.1 Downloaded idna v1.1.0 Downloaded reqwest v0.12.28 Downloaded hyper v1.10.1 Downloaded serde_json v1.0.150 Downloaded futures-util v0.3.32 Downloaded h2 v0.4.15 Downloaded icu_properties_data v2.2.0 Downloaded portable-atomic v1.13.1 Downloaded utf8_iter v1.0.4 Downloaded quinn-proto v0.11.15 Downloaded rustls v0.23.41 Downloaded smallvec v1.15.2 Downloaded tokio-rustls v0.26.4 Downloaded zmij v1.0.21 Downloaded yoke v0.8.3 Downloaded wasm-streams v0.4.2 Downloaded web-time v1.1.0 Downloaded tracing-core v0.1.36 Downloaded socket2 v0.6.4 Downloaded serde_derive v1.0.228 Downloaded serde_core v1.0.228 Downloaded tinyvec v1.11.0 Downloaded wit-bindgen v0.57.1 Downloaded libc v0.2.186 Downloaded pyo3 v0.23.5 Downloaded tungstenite v0.24.0 Downloaded unicode-ident v1.0.24 Downloaded zerocopy-derive v0.8.52 Downloaded url v2.5.8 Downloaded wasm-bindgen v0.2.126 Downloaded wasm-bindgen-macro-support v0.2.126 Downloaded zerotrie v0.2.4 Downloaded serde v1.0.228 Downloaded tower v0.5.3 Downloaded typenum v1.20.1 Downloaded zerovec v0.11.6 Downloaded tokio-util v0.7.18 Downloaded ring v0.17.14 Downloaded wasip2 v1.0.4+wasi-0.2.12 Downloaded tower-http v0.6.11 Downloaded webpki-roots v1.0.8 Downloaded zerocopy v0.8.52 Downloaded syn v2.0.118 Downloaded windows_aarch64_gnullvm v0.52.6 Downloaded windows_x86_64_gnullvm v0.52.6 Downloaded tracing v0.1.44 Downloaded windows_i686_gnullvm v0.52.6 Downloaded web-sys v0.3.103 Downloaded windows_x86_64_gnullvm v0.53.1 Downloaded windows_aarch64_gnullvm v0.53.1 Downloaded windows_x86_64_msvc v0.52.6 Downloaded windows_aarch64_msvc v0.52.6 Downloaded windows_x86_64_msvc v0.53.1 Downloaded windows_aarch64_msvc v0.53.1 Downloaded windows_i686_gnu v0.52.6 Downloaded windows_i686_gnullvm v0.53.1 Downloaded windows_x86_64_gnu v0.52.6 Downloaded tokio v1.52.3 Downloaded windows_x86_64_gnu v0.53.1 Downloaded windows_i686_msvc v0.52.6 Downloaded windows_i686_msvc v0.53.1 Downloaded windows_i686_gnu v0.53.1 Downloaded windows-sys v0.60.2 Downloaded windows-sys v0.61.2 Downloaded windows-sys v0.52.0 🍹 Building a mixed python/rust project 🔗 Found pyo3 bindings 🐍 Found CPython 3.11 at \AppData\Local\Temp\reporadar-cohort-cache-i4e1in1j\uv\builds-v0\.tmpjUj7Af\Scripts\python.exe 📡 Using build options bindings from pyproject.toml Compiling proc-macro2 v1.0.106 Compiling unicode-ident v1.0.24 Compiling quote v1.0.46 Compiling windows-link v0.2.1 Compiling pin-project-lite v0.2.17 Compiling cfg-if v1.0.4 Compiling futures-core v0.3.32 Compiling bytes v1.12.0 Compiling stable_deref_trait v1.2.1 Compiling target-lexicon v0.12.16 Compiling futures-sink v0.3.32 Compiling itoa v1.0.18 Compiling once_cell v1.21.4 Compiling memchr v2.8.2 Compiling shlex v2.0.1 Compiling find-msvc-tools v0.1.9 Compiling windows-sys v0.61.2 Compiling getrandom v0.2.17 Compiling slab v0.4.12 Compiling futures-task v0.3.32 error: linker `link.exe` not found | = note: program not found note: the msvc targets depend on the msvc linker but `link.exe` was not found note: please ensure that Visual Studio 2017 or later, or Build Tools for Visual Studio were installed with the Visual C++ option note: VS Code is a different product, and is not sufficient Compiling futures-channel v0.3.32 error: could not compile `quote` (build script) due to 1 previous error warning: build failed, waiting for other jobs to finish... error: could not compile `proc-macro2` (build script) due to 1 previous error error: could not compile `target-lexicon` (build script) due to 1 previous error 💥 maturin failed Caused by: Failed to build a native library through cargo Caused by: Cargo build finished with "exit code: 101": `"cargo" "rustc" "--message-format" "json-render-diagnostics" "--manifest-path" "\\AppData\\Local\\Temp\\reporadar-cohort-cache-i4e1in1j\\uv\\sdists-v9\\pypi\\litellm\\1.92.0\\smYckIEOWRQnlXfu\\src\\litellm-rust\\crates\\python-bridge\\Cargo.toml" "--release" "--lib"` Error: command ['maturin', 'pep517', 'build-wheel', '-i', '\\AppData\\Local\\Temp\\reporadar-cohort-cache-i4e1in1j\\uv\\builds-v0\\.tmpjUj7Af\\Scripts\\python.exe', '--compatibility', 'off'] returned non-zero exit status 1 hint: `litellm` (v1.92.0) was included because `langflow` (v1.10.2) depends on `langflow-base[complete]` (v0.10.2) which depends on `litellm` hint: Build failures usually indicate a problem with the package or the build environment cohort_cache_cleanup: Shared cohort package cache removed. bounded_workflow_intended: false bounded_workflow_completed: false