[INFO] fetching crate langchain_rs 0.0.2...
[INFO] testing langchain_rs-0.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate langchain_rs 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate langchain_rs 0.0.2
[INFO] finished tweaking crates.io crate langchain_rs 0.0.2
[INFO] tweaked toml for crates.io crate langchain_rs 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate langchain_rs 0.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 387 packages to latest compatible versions
[INFO] [stderr]       Adding async-openai v0.14.3 (available: v0.29.3)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.3.0)
[INFO] [stderr]       Adding redis v0.23.3 (available: v0.32.6)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (available: v0.27.2)
[INFO] [stderr]       Adding tiktoken-rs v0.5.9 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.18.1
[INFO] [stderr]   Downloaded strum v0.25.0
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded winreg v0.50.0
[INFO] [stderr]   Downloaded rustc_version_runtime v0.2.1
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded darling_macro v0.14.4
[INFO] [stderr]   Downloaded async-convert v1.0.0
[INFO] [stderr]   Downloaded darling_core v0.14.4
[INFO] [stderr]   Downloaded derive_more v0.99.20
[INFO] [stderr]   Downloaded bson v2.15.0
[INFO] [stderr]   Downloaded reqwest v0.11.27
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded rustls v0.21.12
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded quinn v0.11.9
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded mime_guess v2.0.5
[INFO] [stderr]   Downloaded derive_builder_core v0.12.0
[INFO] [stderr]   Downloaded derive_builder v0.12.0
[INFO] [stderr]   Downloaded tonic v0.12.3
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded ipconfig v0.3.2
[INFO] [stderr]   Downloaded axum v0.7.9
[INFO] [stderr]   Downloaded qdrant-client v1.15.0
[INFO] [stderr]   Downloaded redis v0.23.3
[INFO] [stderr]   Downloaded hyper v0.14.32
[INFO] [stderr]   Downloaded webpki-roots v0.25.4
[INFO] [stderr]   Downloaded quinn-proto v0.11.13
[INFO] [stderr]   Downloaded rustls-webpki v0.101.7
[INFO] [stderr]   Downloaded h2 v0.3.27
[INFO] [stderr]   Downloaded hyper-rustls v0.24.2
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.4
[INFO] [stderr]   Downloaded system-configuration v0.5.1
[INFO] [stderr]   Downloaded sct v0.7.1
[INFO] [stderr]   Downloaded backoff v0.4.0
[INFO] [stderr]   Downloaded eventsource-stream v0.2.3
[INFO] [stderr]   Downloaded async-openai v0.14.3
[INFO] [stderr]   Downloaded humantime v2.3.0
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded pbkdf2 v0.11.0
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded resolv-conf v0.7.5
[INFO] [stderr]   Downloaded typed-builder v0.10.0
[INFO] [stderr]   Downloaded hyper-timeout v0.5.2
[INFO] [stderr]   Downloaded sha1_smol v1.0.1
[INFO] [stderr]   Downloaded http-body v0.4.6
[INFO] [stderr]   Downloaded system-configuration-sys v0.5.0
[INFO] [stderr]   Downloaded fancy-regex v0.12.0
[INFO] [stderr]   Downloaded darling v0.14.4
[INFO] [stderr]   Downloaded derive_builder_macro v0.12.0
[INFO] [stderr]   Downloaded reqwest-eventsource v0.4.0
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded linked-hash-map v0.5.6
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded quinn-udp v0.5.14
[INFO] [stderr]   Downloaded axum-core v0.4.5
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.3
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.6
[INFO] [stderr]   Downloaded mongodb v2.8.2
[INFO] [stderr]   Downloaded tiktoken-rs v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d43c65f395981c0ee07a3034e5f1b15fef02024ff32daf1f8f518ed7f17edc3
[INFO] running `Command { std: "docker" "start" "-a" "4d43c65f395981c0ee07a3034e5f1b15fef02024ff32daf1f8f518ed7f17edc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d43c65f395981c0ee07a3034e5f1b15fef02024ff32daf1f8f518ed7f17edc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d43c65f395981c0ee07a3034e5f1b15fef02024ff32daf1f8f518ed7f17edc3", kill_on_drop: false }`
[INFO] [stdout] 4d43c65f395981c0ee07a3034e5f1b15fef02024ff32daf1f8f518ed7f17edc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73097e0c2592112ffc529fdeb9c8b48a91330b635f02b3633c8ace50819c738a
[INFO] running `Command { std: "docker" "start" "-a" "73097e0c2592112ffc529fdeb9c8b48a91330b635f02b3633c8ace50819c738a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.103.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=8a969ff12543e000 -C extra-filename=-65d8668256b5e7e7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-18d7d35f654f0ec2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ef5f73e9de7c2f8b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62d6ad5f441b9c6d.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "73097e0c2592112ffc529fdeb9c8b48a91330b635f02b3633c8ace50819c738a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73097e0c2592112ffc529fdeb9c8b48a91330b635f02b3633c8ace50819c738a", kill_on_drop: false }`
[INFO] [stdout] 73097e0c2592112ffc529fdeb9c8b48a91330b635f02b3633c8ace50819c738a