[INFO] fetching crate handy_io 0.1.2...
[INFO] documenting handy_io-0.1.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate handy_io 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate handy_io 0.1.2 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 handy_io 0.1.2
[INFO] finished tweaking crates.io crate handy_io 0.1.2
[INFO] tweaked toml for crates.io crate handy_io 0.1.2 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] caa01e99c5fac4ca6ee3b421d664caee8981f3c28b1ad70bce384cf2e08be211
[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" "caa01e99c5fac4ca6ee3b421d664caee8981f3c28b1ad70bce384cf2e08be211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa01e99c5fac4ca6ee3b421d664caee8981f3c28b1ad70bce384cf2e08be211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa01e99c5fac4ca6ee3b421d664caee8981f3c28b1ad70bce384cf2e08be211", kill_on_drop: false }`
[INFO] [stdout] caa01e99c5fac4ca6ee3b421d664caee8981f3c28b1ad70bce384cf2e08be211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 47f6f8619bf1d1d0c2af692a19073ed6a395e56e60c85aa40c52293924375d8f
[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" "47f6f8619bf1d1d0c2af692a19073ed6a395e56e60c85aa40c52293924375d8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting handy_io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "47f6f8619bf1d1d0c2af692a19073ed6a395e56e60c85aa40c52293924375d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f6f8619bf1d1d0c2af692a19073ed6a395e56e60c85aa40c52293924375d8f", kill_on_drop: false }`
[INFO] [stdout] 47f6f8619bf1d1d0c2af692a19073ed6a395e56e60c85aa40c52293924375d8f