[INFO] cloning repository https://github.com/Caspinol/stm32f401xx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caspinol/stm32f401xx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffd5f00bbbfa66912d0457f53c5b800cbbd45857
[INFO] documenting Caspinol/stm32f401xx against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caspinol/stm32f401xx on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] finished tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] tweaked toml for git repo https://github.com/Caspinol/stm32f401xx written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/Caspinol/stm32f401xx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f389df4eab7631669c2a2674a7963d2ad5dbe3d7c8618ac6308c5df7071b398
[INFO] running `Command { std: "docker" "start" "-a" "8f389df4eab7631669c2a2674a7963d2ad5dbe3d7c8618ac6308c5df7071b398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f389df4eab7631669c2a2674a7963d2ad5dbe3d7c8618ac6308c5df7071b398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f389df4eab7631669c2a2674a7963d2ad5dbe3d7c8618ac6308c5df7071b398", kill_on_drop: false }`
[INFO] [stdout] 8f389df4eab7631669c2a2674a7963d2ad5dbe3d7c8618ac6308c5df7071b398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f6fff63fcd9c8493301254de13fef292df95bdf25eedd2e557fee579d78614
[INFO] running `Command { std: "docker" "start" "-a" "f5f6fff63fcd9c8493301254de13fef292df95bdf25eedd2e557fee579d78614", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]  Documenting stm32f401xx v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `stm32f401xx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name stm32f401xx src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=eb5c53aa513db4fb -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-3bb3641e788ddf81.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-a07636d0ae7f6293.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-e1a4be04b1d40b22.rmeta --cap-lints=warn --crate-version 0.11.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f5f6fff63fcd9c8493301254de13fef292df95bdf25eedd2e557fee579d78614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f6fff63fcd9c8493301254de13fef292df95bdf25eedd2e557fee579d78614", kill_on_drop: false }`
[INFO] [stdout] f5f6fff63fcd9c8493301254de13fef292df95bdf25eedd2e557fee579d78614