[INFO] fetching crate gd32e5 0.9.1...
[INFO] documenting gd32e5-0.9.1 against 1.98.0-beta.4 for beta-rustdoc-1.98-4
[INFO] extracting crate gd32e5 0.9.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gd32e5 0.9.1
[INFO] finished tweaking crates.io crate gd32e5 0.9.1
[INFO] tweaked toml for crates.io crate gd32e5 0.9.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gd32e5 0.9.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20
[INFO] running `Command { std: "docker" "start" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", 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" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20" "/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" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", 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" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20" "/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 semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling gd32e5 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]  Documenting gd32e5 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/gd32e5/index.html
[INFO] running `Command { std: "docker" "inspect" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", 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" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.4" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "rt gd32e503 gd32e508" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling gd32e5 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]  Documenting gd32e5 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `gd32e5`
[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=2018 --crate-type lib --crate-name gd32e5 src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="cortex-m-rt"' --cfg 'feature="default"' --cfg 'feature="gd32e503"' --cfg 'feature="gd32e508"' --cfg 'feature="rt"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("cortex-m-rt", "critical-section", "default", "gd32e503", "gd32e505", "gd32e507", "gd32e508", "rt"))' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=73b5a4f8248612d3 -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-fd277dce98648104.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-33aada1363ca97aa.rmeta --extern-html-root-url 'cortex_m=https://docs.rs/cortex-m/0.7.7/' --extern-html-root-url 'bare_metal=https://docs.rs/bare-metal/0.2.5/' --extern-html-root-url 'bitfield=https://docs.rs/bitfield/0.13.2/' --extern-html-root-url 'embedded_hal=https://docs.rs/embedded-hal/0.2.7/' --extern-html-root-url 'nb=https://docs.rs/nb/0.1.3/' --extern-html-root-url 'nb=https://docs.rs/nb/1.1.0/' --extern-html-root-url 'void=https://docs.rs/void/1.0.2/' --extern-html-root-url 'volatile_register=https://docs.rs/volatile-register/0.2.2/' --extern-html-root-url 'vcell=https://docs.rs/vcell/0.1.3/' --extern-html-root-url 'cortex_m_rt=https://docs.rs/cortex-m-rt/0.7.5/' --extern-html-root-url 'cortex_m_rt_macros=https://docs.rs/cortex-m-rt-macros/0.7.5/' --extern-html-root-url 'proc_macro2=https://docs.rs/proc-macro2/1.0.107/' --extern-html-root-url 'unicode_ident=https://docs.rs/unicode-ident/1.0.24/' --extern-html-root-url 'quote=https://docs.rs/quote/1.0.47/' --extern-html-root-url 'syn=https://docs.rs/syn/2.0.119/' -Zunstable-options --cap-lints=warn --crate-version 0.9.1` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20", kill_on_drop: false }`
[INFO] [stdout] 1eb44f0c5bdf74e5e120a48060f8d354c0275616ece3394f43f57376ce5efd20