[INFO] fetching crate stm32f407g-disc 0.4.0...
[INFO] documenting stm32f407g-disc-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32f407g-disc 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate stm32f407g-disc 0.4.0 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-11/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f407g-disc 0.4.0
[INFO] finished tweaking crates.io crate stm32f407g-disc 0.4.0
[INFO] tweaked toml for crates.io crate stm32f407g-disc 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate stm32f407g-disc 0.4.0 already has a lockfile, it will not be regenerated
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 44026d51220f61bf8feac0ade9673565aeb27bcb54178e22c1433038d30c6b79
[INFO] running `Command { std: "docker" "start" "-a" "44026d51220f61bf8feac0ade9673565aeb27bcb54178e22c1433038d30c6b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44026d51220f61bf8feac0ade9673565aeb27bcb54178e22c1433038d30c6b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44026d51220f61bf8feac0ade9673565aeb27bcb54178e22c1433038d30c6b79", kill_on_drop: false }`
[INFO] [stdout] 44026d51220f61bf8feac0ade9673565aeb27bcb54178e22c1433038d30c6b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 12994b1ab425d24becf3e7fe04d1668fad7556cf9a985b739b57080792302002
[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" "12994b1ab425d24becf3e7fe04d1668fad7556cf9a985b739b57080792302002", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling stm32f4 v0.8.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking cortex-m v0.6.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]     Checking stm32f4xx-hal v0.6.0
[INFO] [stderr]  Documenting stm32f407g-disc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `stm32f407g-disc`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stm32f407g_disc 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 cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-1ea18decf42852ba.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-c23c81c710777604.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-0a2d924ef4a4a5da.rmeta --extern stm32f4xx_hal=/opt/rustwide/target/debug/deps/libstm32f4xx_hal-f820b9828b19adc2.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "12994b1ab425d24becf3e7fe04d1668fad7556cf9a985b739b57080792302002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12994b1ab425d24becf3e7fe04d1668fad7556cf9a985b739b57080792302002", kill_on_drop: false }`
[INFO] [stdout] 12994b1ab425d24becf3e7fe04d1668fad7556cf9a985b739b57080792302002