[INFO] fetching crate langchain_rs 0.0.2...
[INFO] testing langchain_rs-0.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate langchain_rs 0.0.2 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate langchain_rs 0.0.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a585d966ee662230843a314d5f24cf5642af3594fcedc4530039d584565a588
[INFO] running `Command { std: "docker" "start" "-a" "8a585d966ee662230843a314d5f24cf5642af3594fcedc4530039d584565a588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a585d966ee662230843a314d5f24cf5642af3594fcedc4530039d584565a588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a585d966ee662230843a314d5f24cf5642af3594fcedc4530039d584565a588", kill_on_drop: false }`
[INFO] [stdout] 8a585d966ee662230843a314d5f24cf5642af3594fcedc4530039d584565a588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a007d210efcd05b545c36790e541ee8f5dd9148618d18da602b10be3c1f42e3
[INFO] running `Command { std: "docker" "start" "-a" "7a007d210efcd05b545c36790e541ee8f5dd9148618d18da602b10be3c1f42e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling futures-io v0.3.31
[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 signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[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 typenum v1.18.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[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 serde_json v1.0.145
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling rustls v0.21.12
[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 thiserror-impl v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[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 rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.103.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=a7d55d9a69ce3b0b -C extra-filename=-3a6153e7e5816b1b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-0c7632e5ed4dc230.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3b920243fce8fec0.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-6a4719510b0746bc.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-0cc6fe6d35386903.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-ae1eb2d060de53a2.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-e09ab7898221cb97.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9be7e24c0cc6f173.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-72bf04572caa1c84.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3860774ad9b215b5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-5629529544b2a983.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a007d210efcd05b545c36790e541ee8f5dd9148618d18da602b10be3c1f42e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a007d210efcd05b545c36790e541ee8f5dd9148618d18da602b10be3c1f42e3", kill_on_drop: false }`
[INFO] [stdout] 7a007d210efcd05b545c36790e541ee8f5dd9148618d18da602b10be3c1f42e3