[INFO] fetching crate re_sdk_comms 0.22.1...
[INFO] testing re_sdk_comms-0.22.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate re_sdk_comms 0.22.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate re_sdk_comms 0.22.1
[INFO] finished tweaking crates.io crate re_sdk_comms 0.22.1
[INFO] tweaked toml for crates.io crate re_sdk_comms 0.22.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate re_sdk_comms 0.22.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 279 packages to latest compatible versions
[INFO] [stderr]       Adding chrono v0.4.39 (available: v0.4.42)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding re_build_info v0.22.1 (available: v0.26.2)
[INFO] [stderr]       Adding re_log v0.22.1 (available: v0.26.2)
[INFO] [stderr]       Adding re_log_encoding v0.22.1 (available: v0.26.2)
[INFO] [stderr]       Adding re_log_types v0.22.1 (available: v0.26.2)
[INFO] [stderr]       Adding re_smart_channel v0.22.1 (available: v0.26.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b85d6a0be7f5877ade0dce01c35ce9afe8e84d0898cd485cb44c6398daf1f0
[INFO] running `Command { std: "docker" "start" "-a" "f4b85d6a0be7f5877ade0dce01c35ce9afe8e84d0898cd485cb44c6398daf1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b85d6a0be7f5877ade0dce01c35ce9afe8e84d0898cd485cb44c6398daf1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b85d6a0be7f5877ade0dce01c35ce9afe8e84d0898cd485cb44c6398daf1f0", kill_on_drop: false }`
[INFO] [stdout] f4b85d6a0be7f5877ade0dce01c35ce9afe8e84d0898cd485cb44c6398daf1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55c4011b35ca91f4071860af2aa4077c981cd19f5c61e4f7772913e288e8269
[INFO] running `Command { std: "docker" "start" "-a" "a55c4011b35ca91f4071860af2aa4077c981cd19f5c61e4f7772913e288e8269", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling arrow-schema v53.4.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling log-once v0.4.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling array-init-cursor v0.2.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling re_case v0.22.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling re_arrow2 v0.18.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling re_error v0.22.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling puffin v0.19.1
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling re_tracing v0.22.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=920edce26d9ea419 -C extra-filename=-adda1c42a7b2117e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-26141f501b988814.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5dc791de4998fa6e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.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" "a55c4011b35ca91f4071860af2aa4077c981cd19f5c61e4f7772913e288e8269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55c4011b35ca91f4071860af2aa4077c981cd19f5c61e4f7772913e288e8269", kill_on_drop: false }`
[INFO] [stdout] a55c4011b35ca91f4071860af2aa4077c981cd19f5c61e4f7772913e288e8269