[INFO] fetching crate stm32l4x6 0.6.0...
[INFO] documenting stm32l4x6-0.6.0 against 1.64.0 for beta-1.65-rustdoc-1
[INFO] extracting crate stm32l4x6 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stm32l4x6 0.6.0 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32l4x6 0.6.0
[INFO] finished tweaking crates.io crate stm32l4x6 0.6.0
[INFO] tweaked toml for crates.io crate stm32l4x6 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ee7c7b38ff0d8be5398e8af0c06f467d882b5f09fade459469f0d47c6ba9cd
[INFO] running `Command { std: "docker" "start" "-a" "57ee7c7b38ff0d8be5398e8af0c06f467d882b5f09fade459469f0d47c6ba9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ee7c7b38ff0d8be5398e8af0c06f467d882b5f09fade459469f0d47c6ba9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ee7c7b38ff0d8be5398e8af0c06f467d882b5f09fade459469f0d47c6ba9cd", kill_on_drop: false }`
[INFO] [stdout] 57ee7c7b38ff0d8be5398e8af0c06f467d882b5f09fade459469f0d47c6ba9cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d38dd8b07b1a1544d8ed0039eecb860f7be59f69ad95777c9fc864bee8aa4c
[INFO] running `Command { std: "docker" "start" "-a" "19d38dd8b07b1a1544d8ed0039eecb860f7be59f69ad95777c9fc864bee8aa4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling stm32l4x6 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking generic-array v0.13.3
[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]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]  Documenting stm32l4x6 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `stm32l4x6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name stm32l4x6 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=712ddda38767f47c -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-b4788b2709322651.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-226dcdd30dfa6cca.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-22b4749459546261.rmeta --cap-lints=warn --crate-version 0.6.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "19d38dd8b07b1a1544d8ed0039eecb860f7be59f69ad95777c9fc864bee8aa4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d38dd8b07b1a1544d8ed0039eecb860f7be59f69ad95777c9fc864bee8aa4c", kill_on_drop: false }`
[INFO] [stdout] 19d38dd8b07b1a1544d8ed0039eecb860f7be59f69ad95777c9fc864bee8aa4c