[INFO] cloning repository https://github.com/sriram98v/ml-seqclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sriram98v/ml-seqclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriram98v%2Fml-seqclass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriram98v%2Fml-seqclass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ecf4f780dbba2818b6aa640b2bc8aa98e663296
[INFO] documenting sriram98v/ml-seqclass against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriram98v%2Fml-seqclass" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sriram98v/ml-seqclass
[INFO] finished tweaking git repo https://github.com/sriram98v/ml-seqclass
[INFO] tweaked toml for git repo https://github.com/sriram98v/ml-seqclass written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sriram98v/ml-seqclass 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 git repo https://github.com/sriram98v/ml-seqclass 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 450186d2f11a7ea02e0d5b6fdf45d9a264f6384624af905dcc849b1ce0bdbd98
[INFO] running `Command { std: "docker" "start" "-a" "450186d2f11a7ea02e0d5b6fdf45d9a264f6384624af905dcc849b1ce0bdbd98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450186d2f11a7ea02e0d5b6fdf45d9a264f6384624af905dcc849b1ce0bdbd98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450186d2f11a7ea02e0d5b6fdf45d9a264f6384624af905dcc849b1ce0bdbd98", kill_on_drop: false }`
[INFO] [stdout] 450186d2f11a7ea02e0d5b6fdf45d9a264f6384624af905dcc849b1ce0bdbd98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e624b6e81dadec740b8c9288f2dea2593239109ed4cc8abe42d445d4d067f4
[INFO] running `Command { std: "docker" "start" "-a" "e4e624b6e81dadec740b8c9288f2dea2593239109ed4cc8abe42d445d4d067f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]    Compiling rustversion v1.0.16
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking lockfree-object-pool v0.1.6
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]    Compiling zip v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking wide v0.7.17
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking buffer-redux v1.0.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking zopfli v0.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking papergrid v0.17.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking regex v1.11.1
[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-2.0.100/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=9510ad1f029eaaeb -C extra-filename=-c106f99890f8cb90 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6cca32228ee9d232.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7049337611a730a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.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" "e4e624b6e81dadec740b8c9288f2dea2593239109ed4cc8abe42d445d4d067f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e624b6e81dadec740b8c9288f2dea2593239109ed4cc8abe42d445d4d067f4", kill_on_drop: false }`
[INFO] [stdout] e4e624b6e81dadec740b8c9288f2dea2593239109ed4cc8abe42d445d4d067f4