[INFO] fetching crate stm32f429i-disc 0.3.0...
[INFO] documenting stm32f429i-disc-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32f429i-disc 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stm32f429i-disc 0.3.0 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-3/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f429i-disc 0.3.0
[INFO] finished tweaking crates.io crate stm32f429i-disc 0.3.0
[INFO] tweaked toml for crates.io crate stm32f429i-disc 0.3.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1a11ee606e189ec06baec24f21d3141ff12335a140307a1f8d3374a5e9bb2e84
[INFO] running `Command { std: "docker" "start" "-a" "1a11ee606e189ec06baec24f21d3141ff12335a140307a1f8d3374a5e9bb2e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a11ee606e189ec06baec24f21d3141ff12335a140307a1f8d3374a5e9bb2e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a11ee606e189ec06baec24f21d3141ff12335a140307a1f8d3374a5e9bb2e84", kill_on_drop: false }`
[INFO] [stdout] 1a11ee606e189ec06baec24f21d3141ff12335a140307a1f8d3374a5e9bb2e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bfd2bf9a3fe5e41cc69b2b73c37ec29daef1d23bb2736136d3b743033dbe0ec8
[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" "bfd2bf9a3fe5e41cc69b2b73c37ec29daef1d23bb2736136d3b743033dbe0ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32f4 v0.7.1
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stderr]     Checking stm32f4xx-hal v0.5.0
[INFO] [stderr]  Documenting stm32f429i-disc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `stm32f429i-disc`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stm32f429i_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-041cc3e8101fe1f1.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-a6d5291620b3d818.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-896746e6e9cd6767.rmeta --extern stm32f4xx_hal=/opt/rustwide/target/debug/deps/libstm32f4xx_hal-767f6b31bed507c2.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bfd2bf9a3fe5e41cc69b2b73c37ec29daef1d23bb2736136d3b743033dbe0ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd2bf9a3fe5e41cc69b2b73c37ec29daef1d23bb2736136d3b743033dbe0ec8", kill_on_drop: false }`
[INFO] [stdout] bfd2bf9a3fe5e41cc69b2b73c37ec29daef1d23bb2736136d3b743033dbe0ec8