[INFO] fetching crate xmc4800 0.14.0...
[INFO] documenting xmc4800-0.14.0 against 1.98.0-beta.4 for beta-rustdoc-1.98-4
[INFO] extracting crate xmc4800 0.14.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xmc4800 0.14.0
[INFO] finished tweaking crates.io crate xmc4800 0.14.0
[INFO] tweaked toml for crates.io crate xmc4800 0.14.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmc4800 0.14.0 on toolchain 1.98.0-beta.4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xmc4800 0.14.0 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" "+1.98.0-beta.4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750
[INFO] running `Command { std: "docker" "start" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.4" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling xmc4800 v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]  Documenting xmc4800 v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `xmc4800`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.98.0-beta.4-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name xmc4800 src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="cortex-m-rt"' --cfg 'feature="critical-section"' --cfg 'feature="default"' --cfg 'feature="rt"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("cortex-m-rt", "critical-section", "default", "rt"))' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=3d1cdb570a846b31 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-6db12986a5e11b62.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-b4590e89cf1f6c36.rmeta --extern critical_section=/opt/rustwide/target/debug/deps/libcritical_section-d92ecf1b59911df3.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-33aada1363ca97aa.rmeta --document-private-items --cap-lints=warn --crate-version 0.14.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750", kill_on_drop: false }`
[INFO] [stdout] c4843bb62b47304cdc11a5f6837155e01283a37a3032c32148c6f6d89c7a2750