[INFO] fetching crate stm32f3-discovery 0.4.0...
[INFO] documenting stm32f3-discovery-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32f3-discovery 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stm32f3-discovery 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-10/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f3-discovery 0.4.0
[INFO] finished tweaking crates.io crate stm32f3-discovery 0.4.0
[INFO] tweaked toml for crates.io crate stm32f3-discovery 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate stm32f3-discovery 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 switch-hal v0.3.2
[INFO] [stderr]   Downloaded stm32f3xx-hal v0.4.1
[INFO] [stderr]   Downloaded stm32f3 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 069d903de6a5eefa48d4fc66ad81c7137c4204e76a8c9964f80c838503f7fc79
[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" "069d903de6a5eefa48d4fc66ad81c7137c4204e76a8c9964f80c838503f7fc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "069d903de6a5eefa48d4fc66ad81c7137c4204e76a8c9964f80c838503f7fc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069d903de6a5eefa48d4fc66ad81c7137c4204e76a8c9964f80c838503f7fc79", kill_on_drop: false }`
[INFO] [stdout] 069d903de6a5eefa48d4fc66ad81c7137c4204e76a8c9964f80c838503f7fc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e260057eb31cc322d6a58087178ae1d42bf44517b69ba0199b1f61631fdb9df
[INFO] running `Command { std: "docker" "start" "-a" "1e260057eb31cc322d6a58087178ae1d42bf44517b69ba0199b1f61631fdb9df", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f3 v0.9.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32-usbd v0.5.1
[INFO] [stderr]     Checking usb-device v0.2.5
[INFO] [stderr]    Compiling stm32f3-discovery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking switch-hal v0.3.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking micromath v1.0.0
[INFO] [stderr]     Checking accelerometer v0.11.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f3xx-hal v0.4.1
[INFO] [stderr]  Documenting stm32f3-discovery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.14s
[INFO] running `Command { std: "docker" "inspect" "1e260057eb31cc322d6a58087178ae1d42bf44517b69ba0199b1f61631fdb9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e260057eb31cc322d6a58087178ae1d42bf44517b69ba0199b1f61631fdb9df", kill_on_drop: false }`
[INFO] [stdout] 1e260057eb31cc322d6a58087178ae1d42bf44517b69ba0199b1f61631fdb9df