[INFO] fetching crate audiopus 0.2.0...
[INFO] documenting audiopus-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate audiopus 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate audiopus 0.2.0 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 audiopus 0.2.0
[INFO] finished tweaking crates.io crate audiopus 0.2.0
[INFO] tweaked toml for crates.io crate audiopus 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a80cacd98c0071d6553b941f11f539ae38bbe6f00c7549c4b0ce1f881b634e3c
[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" "a80cacd98c0071d6553b941f11f539ae38bbe6f00c7549c4b0ce1f881b634e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80cacd98c0071d6553b941f11f539ae38bbe6f00c7549c4b0ce1f881b634e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80cacd98c0071d6553b941f11f539ae38bbe6f00c7549c4b0ce1f881b634e3c", kill_on_drop: false }`
[INFO] [stdout] a80cacd98c0071d6553b941f11f539ae38bbe6f00c7549c4b0ce1f881b634e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f2511019be28061e483987c8ef9b7a1f427f5de7008dbc5d2f9beb8d48c70e66
[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" "f2511019be28061e483987c8ef9b7a1f427f5de7008dbc5d2f9beb8d48c70e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]  Documenting audiopus v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "f2511019be28061e483987c8ef9b7a1f427f5de7008dbc5d2f9beb8d48c70e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2511019be28061e483987c8ef9b7a1f427f5de7008dbc5d2f9beb8d48c70e66", kill_on_drop: false }`
[INFO] [stdout] f2511019be28061e483987c8ef9b7a1f427f5de7008dbc5d2f9beb8d48c70e66