[INFO] fetching crate scouter-client 0.10.0...
[INFO] testing scouter-client-0.10.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate scouter-client 0.10.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate scouter-client 0.10.0
[INFO] finished tweaking crates.io crate scouter-client 0.10.0
[INFO] tweaked toml for crates.io crate scouter-client 0.10.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scouter-client 0.10.0 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] crate crates.io crate scouter-client 0.10.0 already has a lockfile, it will not be regenerated
[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] 1cedea9e8526f188adeffa16928cd48d56de8157829a93a39964967ba00960ac
[INFO] running `Command { std: "docker" "start" "-a" "1cedea9e8526f188adeffa16928cd48d56de8157829a93a39964967ba00960ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cedea9e8526f188adeffa16928cd48d56de8157829a93a39964967ba00960ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cedea9e8526f188adeffa16928cd48d56de8157829a93a39964967ba00960ac", kill_on_drop: false }`
[INFO] [stdout] 1cedea9e8526f188adeffa16928cd48d56de8157829a93a39964967ba00960ac
[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] 10225d2176a7bfd479f3d41bbf747b2d7fcb1427079b4fa162a879d6672b8bdf
[INFO] running `Command { std: "docker" "start" "-a" "10225d2176a7bfd479f3d41bbf747b2d7fcb1427079b4fa162a879d6672b8bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling flagset v0.4.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling oid-registry v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling winnow v0.6.26
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling scrypt v0.11.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling openssl-src v300.5.2+3.5.2
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling des v0.8.1
[INFO] [stderr]    Compiling rc2 v0.8.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling cookie-factory v0.3.3
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling numpy v0.25.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rdkafka-sys v4.9.0+2.10.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling blocking v1.6.2
[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-2.0.106/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=deb851fa843f778d -C extra-filename=-0ce76441aa48d7e3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb0d1e7c02b2e358.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-81eeaedcf172d3e9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.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" "10225d2176a7bfd479f3d41bbf747b2d7fcb1427079b4fa162a879d6672b8bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10225d2176a7bfd479f3d41bbf747b2d7fcb1427079b4fa162a879d6672b8bdf", kill_on_drop: false }`
[INFO] [stdout] 10225d2176a7bfd479f3d41bbf747b2d7fcb1427079b4fa162a879d6672b8bdf
