[INFO] fetching crate adder-viz 0.4.2...
[INFO] documenting adder-viz-0.4.2 against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] extracting crate adder-viz 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate adder-viz 0.4.2
[INFO] finished tweaking crates.io crate adder-viz 0.4.2
[INFO] tweaked toml for crates.io crate adder-viz 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate adder-viz 0.4.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate adder-viz 0.4.2 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17573ef3e0cca383243ba49598c82d6eabaab757d146db88832a5f1206864254
[INFO] running `Command { std: "docker" "start" "-a" "17573ef3e0cca383243ba49598c82d6eabaab757d146db88832a5f1206864254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17573ef3e0cca383243ba49598c82d6eabaab757d146db88832a5f1206864254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17573ef3e0cca383243ba49598c82d6eabaab757d146db88832a5f1206864254", kill_on_drop: false }`
[INFO] [stdout] 17573ef3e0cca383243ba49598c82d6eabaab757d146db88832a5f1206864254
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d66902e595d5cd8f30c1d3338ddd7d7193d05fb86c8b7f48ec8b5e55f2f324a
[INFO] running `Command { std: "docker" "start" "-a" "6d66902e595d5cd8f30c1d3338ddd7d7193d05fb86c8b7f48ec8b5e55f2f324a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.36
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling quick-xml v0.36.1
[INFO] [stderr]    Compiling wayland-client v0.31.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]     Checking ttf-parser v0.24.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking owned_ttf_parser v0.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking ab_glyph v0.2.28
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.5.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.6.0
[INFO] [stderr]    Compiling winit v0.29.15
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling generator v0.8.3
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling glutin v0.31.3
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]    Compiling ffmpeg-next v6.1.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling glutin-winit v0.4.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking webbrowser v0.8.15
[INFO] [stderr]     Checking clap_builder v4.5.17
[INFO] [stderr]     Checking console v0.15.8
[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-2026-01-20-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.77/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=72f80fd386eff5c2 -C extra-filename=-820e2e46fd3d93b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-27ab918be51abe7d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6af29bd5cf7e6105.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" "6d66902e595d5cd8f30c1d3338ddd7d7193d05fb86c8b7f48ec8b5e55f2f324a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d66902e595d5cd8f30c1d3338ddd7d7193d05fb86c8b7f48ec8b5e55f2f324a", kill_on_drop: false }`
[INFO] [stdout] 6d66902e595d5cd8f30c1d3338ddd7d7193d05fb86c8b7f48ec8b5e55f2f324a