[INFO] fetching crate rv32m1_ri5cy-pac 0.1.1...
[INFO] documenting rv32m1_ri5cy-pac-0.1.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate rv32m1_ri5cy-pac 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rv32m1_ri5cy-pac 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate rv32m1_ri5cy-pac 0.1.1
[INFO] finished tweaking crates.io crate rv32m1_ri5cy-pac 0.1.1
[INFO] tweaked toml for crates.io crate rv32m1_ri5cy-pac 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66a5ce38f4f9f92ef53fd1bd7afdc6f96536beaeebf1a3a796d9963e97c49e6e
[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" "66a5ce38f4f9f92ef53fd1bd7afdc6f96536beaeebf1a3a796d9963e97c49e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a5ce38f4f9f92ef53fd1bd7afdc6f96536beaeebf1a3a796d9963e97c49e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a5ce38f4f9f92ef53fd1bd7afdc6f96536beaeebf1a3a796d9963e97c49e6e", kill_on_drop: false }`
[INFO] [stdout] 66a5ce38f4f9f92ef53fd1bd7afdc6f96536beaeebf1a3a796d9963e97c49e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] b4a55e794670eb1837f81d0c3429c7ebf00ff22349170fa2cf7ad83b665dc126
[INFO] running `Command { std: "docker" "start" "-a" "b4a55e794670eb1837f81d0c3429c7ebf00ff22349170fa2cf7ad83b665dc126", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]  Documenting rv32m1_ri5cy-pac v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `rv32m1_ri5cy-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rv32m1_ri5cy_pac 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 bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-3e1be5f68e0075c8.rmeta --extern riscv=/opt/rustwide/target/debug/deps/libriscv-d8c471d57610baec.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-7026868ef2666f61.rmeta --cap-lints=warn --crate-version 0.1.1` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b4a55e794670eb1837f81d0c3429c7ebf00ff22349170fa2cf7ad83b665dc126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a55e794670eb1837f81d0c3429c7ebf00ff22349170fa2cf7ad83b665dc126", kill_on_drop: false }`
[INFO] [stdout] b4a55e794670eb1837f81d0c3429c7ebf00ff22349170fa2cf7ad83b665dc126