[INFO] fetching crate bzip2 0.4.1...
[INFO] documenting bzip2-0.4.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate bzip2 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bzip2 0.4.1 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] started tweaking crates.io crate bzip2 0.4.1
[INFO] finished tweaking crates.io crate bzip2 0.4.1
[INFO] tweaked toml for crates.io crate bzip2 0.4.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3b4f770e79d7bdeb68fe374326b8f7c9fd4d453098c2161a0811d56304ad7884
[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" "3b4f770e79d7bdeb68fe374326b8f7c9fd4d453098c2161a0811d56304ad7884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4f770e79d7bdeb68fe374326b8f7c9fd4d453098c2161a0811d56304ad7884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4f770e79d7bdeb68fe374326b8f7c9fd4d453098c2161a0811d56304ad7884", kill_on_drop: false }`
[INFO] [stdout] 3b4f770e79d7bdeb68fe374326b8f7c9fd4d453098c2161a0811d56304ad7884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 080e5177fb3819c1b1a5d1ea4fb6c4272d6dfa0ad5ba139d62ec386f59d253b2
[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" "080e5177fb3819c1b1a5d1ea4fb6c4272d6dfa0ad5ba139d62ec386f59d253b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]  Documenting bzip2 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "080e5177fb3819c1b1a5d1ea4fb6c4272d6dfa0ad5ba139d62ec386f59d253b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080e5177fb3819c1b1a5d1ea4fb6c4272d6dfa0ad5ba139d62ec386f59d253b2", kill_on_drop: false }`
[INFO] [stdout] 080e5177fb3819c1b1a5d1ea4fb6c4272d6dfa0ad5ba139d62ec386f59d253b2