[INFO] cloning repository https://github.com/dutchmartin/rust-STM32F103RB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dutchmartin/rust-STM32F103RB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdutchmartin%2Frust-STM32F103RB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdutchmartin%2Frust-STM32F103RB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fcb140af7e575214d91979bf15db89af8e2cffc
[INFO] documenting dutchmartin/rust-STM32F103RB against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdutchmartin%2Frust-STM32F103RB" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dutchmartin/rust-STM32F103RB 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 git repo https://github.com/dutchmartin/rust-STM32F103RB
[INFO] finished tweaking git repo https://github.com/dutchmartin/rust-STM32F103RB
[INFO] tweaked toml for git repo https://github.com/dutchmartin/rust-STM32F103RB written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dutchmartin/rust-STM32F103RB 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-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] [stdout] 96282aff4fa7c0d4de30613ac0eabc707a1a71adbe597d38ae15e5f7ad97e65d
[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" "96282aff4fa7c0d4de30613ac0eabc707a1a71adbe597d38ae15e5f7ad97e65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96282aff4fa7c0d4de30613ac0eabc707a1a71adbe597d38ae15e5f7ad97e65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96282aff4fa7c0d4de30613ac0eabc707a1a71adbe597d38ae15e5f7ad97e65d", kill_on_drop: false }`
[INFO] [stdout] 96282aff4fa7c0d4de30613ac0eabc707a1a71adbe597d38ae15e5f7ad97e65d
[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] c47b9ffa3fc4aef41ca2223d14fdbf4af3618184585e37aab3002f205443c813
[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" "c47b9ffa3fc4aef41ca2223d14fdbf4af3618184585e37aab3002f205443c813", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stderr]     Checking stm32f1xx-hal v0.5.3
[INFO] [stderr]  Documenting Nucleo-F103RB-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.63s
[INFO] running `Command { std: "docker" "inspect" "c47b9ffa3fc4aef41ca2223d14fdbf4af3618184585e37aab3002f205443c813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47b9ffa3fc4aef41ca2223d14fdbf4af3618184585e37aab3002f205443c813", kill_on_drop: false }`
[INFO] [stdout] c47b9ffa3fc4aef41ca2223d14fdbf4af3618184585e37aab3002f205443c813