[INFO] fetching crate stm32f7x7-hal 0.2.1...
[INFO] documenting stm32f7x7-hal-0.2.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32f7x7-hal 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate stm32f7x7-hal 0.2.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f7x7-hal 0.2.1
[INFO] finished tweaking crates.io crate stm32f7x7-hal 0.2.1
[INFO] tweaked toml for crates.io crate stm32f7x7-hal 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df8893d39080c8e9aeba2a3cfdd44e0471f0121dc0b3d824f610acb6ef7e5b0d
[INFO] running `Command { std: "docker" "start" "-a" "df8893d39080c8e9aeba2a3cfdd44e0471f0121dc0b3d824f610acb6ef7e5b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8893d39080c8e9aeba2a3cfdd44e0471f0121dc0b3d824f610acb6ef7e5b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8893d39080c8e9aeba2a3cfdd44e0471f0121dc0b3d824f610acb6ef7e5b0d", kill_on_drop: false }`
[INFO] [stdout] df8893d39080c8e9aeba2a3cfdd44e0471f0121dc0b3d824f610acb6ef7e5b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daaba8f298703431057240848cbf43307c3bcbc0bbf9894322d61c75100855c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daaba8f298703431057240848cbf43307c3bcbc0bbf9894322d61c75100855c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f7 v0.7.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]  Documenting stm32f7x7-hal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `stm32f7x7-hal`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stm32f7x7_hal src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cast=/opt/rustwide/target/debug/deps/libcast-23c0db261c8e6b1a.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-3a0b6fbf161a6d61.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-771298ca38c22341.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-896746e6e9cd6767.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-2a9fa55c8de977c8.rmeta --extern stm32f7=/opt/rustwide/target/debug/deps/libstm32f7-a5b81c57bad3f98e.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-7dc3f9a4751321c3.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "daaba8f298703431057240848cbf43307c3bcbc0bbf9894322d61c75100855c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaba8f298703431057240848cbf43307c3bcbc0bbf9894322d61c75100855c0", kill_on_drop: false }`
[INFO] [stdout] daaba8f298703431057240848cbf43307c3bcbc0bbf9894322d61c75100855c0