[INFO] fetching crate efr32mg24-pac 0.1.0...
[INFO] documenting efr32mg24-pac-0.1.0 against 1.98.0-beta.4 for beta-rustdoc-1.98-4
[INFO] extracting crate efr32mg24-pac 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate efr32mg24-pac 0.1.0
[INFO] finished tweaking crates.io crate efr32mg24-pac 0.1.0
[INFO] tweaked toml for crates.io crate efr32mg24-pac 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate efr32mg24-pac 0.1.0 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 efr32mg24-pac 0.1.0 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-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] 49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d
[INFO] running `Command { std: "docker" "start" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d", 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" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d" "/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" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d", 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" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d" "/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 void v1.0.2
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling efr32mg24-pac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking volatile-register v0.2.2
[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 efr32mg24-pac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `efr32mg24-pac`
[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 efr32mg24_pac src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="critical-section"' --cfg 'feature="default"' --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=7de4651cb6a84fa7 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-6db12986a5e11b62.rmeta --extern critical_section=/opt/rustwide/target/debug/deps/libcritical_section-d92ecf1b59911df3.rmeta --extern portable_atomic=/opt/rustwide/target/debug/deps/libportable_atomic-0d5799546a900462.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-33aada1363ca97aa.rmeta --document-private-items --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d", kill_on_drop: false }`
[INFO] [stdout] 49b6a17f1a8e556c2a344d8b11654dfaa4e6f9ac460cc85c5d066ca907e3005d