[INFO] fetching crate gm-types 0.4.0-pre...
[INFO] documenting gm-types-0.4.0-pre against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate gm-types 0.4.0-pre into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gm-types 0.4.0-pre 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 gm-types 0.4.0-pre
[INFO] finished tweaking crates.io crate gm-types 0.4.0-pre
[INFO] tweaked toml for crates.io crate gm-types 0.4.0-pre 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc882fbb7a55d320ebabe16aa36cde39b95d39447cc288054b864db02652239a
[INFO] running `Command { std: "docker" "start" "-a" "cc882fbb7a55d320ebabe16aa36cde39b95d39447cc288054b864db02652239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc882fbb7a55d320ebabe16aa36cde39b95d39447cc288054b864db02652239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc882fbb7a55d320ebabe16aa36cde39b95d39447cc288054b864db02652239a", kill_on_drop: false }`
[INFO] [stdout] cc882fbb7a55d320ebabe16aa36cde39b95d39447cc288054b864db02652239a
[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] 3957b1957a53aa1e78521f373c7858ad9859c5f61916916c4325ca4008111933
[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" "3957b1957a53aa1e78521f373c7858ad9859c5f61916916c4325ca4008111933", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]  Documenting gm-types v0.4.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "3957b1957a53aa1e78521f373c7858ad9859c5f61916916c4325ca4008111933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3957b1957a53aa1e78521f373c7858ad9859c5f61916916c4325ca4008111933", kill_on_drop: false }`
[INFO] [stdout] 3957b1957a53aa1e78521f373c7858ad9859c5f61916916c4325ca4008111933