[INFO] fetching crate graphembed 0.0.8...
[INFO] documenting graphembed-0.0.8 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate graphembed 0.0.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate graphembed 0.0.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate graphembed 0.0.8
[INFO] tweaked toml for crates.io crate graphembed 0.0.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphembed 0.0.8 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] crate crates.io crate graphembed 0.0.8 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 762295b46cf1208048bff0dd31ddf785be03c1248674e3fb4110d3cb06fdf3ff
[INFO] running `Command { std: "docker" "start" "-a" "762295b46cf1208048bff0dd31ddf785be03c1248674e3fb4110d3cb06fdf3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762295b46cf1208048bff0dd31ddf785be03c1248674e3fb4110d3cb06fdf3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762295b46cf1208048bff0dd31ddf785be03c1248674e3fb4110d3cb06fdf3ff", kill_on_drop: false }`
[INFO] [stdout] 762295b46cf1208048bff0dd31ddf785be03c1248674e3fb4110d3cb06fdf3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c239ddcea12b5162f166d3b334cf535bb2559ee5f3c50e4f12d4aef63974707d
[INFO] running `Command { std: "docker" "start" "-a" "c239ddcea12b5162f166d3b334cf535bb2559ee5f3c50e4f12d4aef63974707d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking simdeez v1.0.8
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling xattr v1.5.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]     Checking bitvec v1.0.1
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.102/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"' --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=75dd1e15fee054f8 -C extra-filename=-51e863bcd7a17878 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-854696e6ecb228db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2fa5dbbdcf3ea8ea.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" "c239ddcea12b5162f166d3b334cf535bb2559ee5f3c50e4f12d4aef63974707d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c239ddcea12b5162f166d3b334cf535bb2559ee5f3c50e4f12d4aef63974707d", kill_on_drop: false }`
[INFO] [stdout] c239ddcea12b5162f166d3b334cf535bb2559ee5f3c50e4f12d4aef63974707d
