[INFO] fetching crate stm32f407g-disc 0.4.0...
[INFO] documenting stm32f407g-disc-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32f407g-disc 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stm32f407g-disc 0.4.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/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-9/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.6.0
[INFO] [stderr]   Downloaded tinybmp v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a6288a243ed2a4e45c0e59f59dcadd736759f48bc125535412394417848b61
[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" "25a6288a243ed2a4e45c0e59f59dcadd736759f48bc125535412394417848b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a6288a243ed2a4e45c0e59f59dcadd736759f48bc125535412394417848b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a6288a243ed2a4e45c0e59f59dcadd736759f48bc125535412394417848b61", kill_on_drop: false }`
[INFO] [stdout] 25a6288a243ed2a4e45c0e59f59dcadd736759f48bc125535412394417848b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 074a0c54be2832bcb18631919dc635ea1cbbe3f54afe04e6ea7b9e78a9aea148
[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" "074a0c54be2832bcb18631919dc635ea1cbbe3f54afe04e6ea7b9e78a9aea148", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling stm32f4 v0.8.0
[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-a2ea3ed40241080b.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-7e0093097a7ac7e4.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-0c3dc2b0b47eb1dd.rmeta --extern stm32f4xx_hal=/opt/rustwide/target/debug/deps/libstm32f4xx_hal-90c42982283ae688.rmeta --cap-lints=warn --crate-version 0.4.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "074a0c54be2832bcb18631919dc635ea1cbbe3f54afe04e6ea7b9e78a9aea148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074a0c54be2832bcb18631919dc635ea1cbbe3f54afe04e6ea7b9e78a9aea148", kill_on_drop: false }`
[INFO] [stdout] 074a0c54be2832bcb18631919dc635ea1cbbe3f54afe04e6ea7b9e78a9aea148