[INFO] fetching crate duct 0.13.4...
[INFO] documenting duct-0.13.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate duct 0.13.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate duct 0.13.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duct 0.13.4
[INFO] finished tweaking crates.io crate duct 0.13.4
[INFO] tweaked toml for crates.io crate duct 0.13.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate duct 0.13.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7478384b9dd2d6c1d3a31b0fa843c6fd37d528816969360b279057b83007457
[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" "b7478384b9dd2d6c1d3a31b0fa843c6fd37d528816969360b279057b83007457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7478384b9dd2d6c1d3a31b0fa843c6fd37d528816969360b279057b83007457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7478384b9dd2d6c1d3a31b0fa843c6fd37d528816969360b279057b83007457", kill_on_drop: false }`
[INFO] [stdout] b7478384b9dd2d6c1d3a31b0fa843c6fd37d528816969360b279057b83007457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28817a9ecd13eae9a364303868e4f0b30c27e131e5bb9912d4cd50fe5d14815
[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" "e28817a9ecd13eae9a364303868e4f0b30c27e131e5bb9912d4cd50fe5d14815", kill_on_drop: false }`
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking duct v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting duct v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "e28817a9ecd13eae9a364303868e4f0b30c27e131e5bb9912d4cd50fe5d14815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28817a9ecd13eae9a364303868e4f0b30c27e131e5bb9912d4cd50fe5d14815", kill_on_drop: false }`
[INFO] [stdout] e28817a9ecd13eae9a364303868e4f0b30c27e131e5bb9912d4cd50fe5d14815
