[INFO] fetching crate smolapps 0.1.4...
[INFO] documenting smolapps-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate smolapps 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate smolapps 0.1.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smolapps 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate smolapps 0.1.4
[INFO] tweaked toml for crates.io crate smolapps 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate smolapps 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57a2d8e8c1a7e7cbc674bffe8198e3534f3f589ca2494be0f298367f35baec27
[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" "57a2d8e8c1a7e7cbc674bffe8198e3534f3f589ca2494be0f298367f35baec27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a2d8e8c1a7e7cbc674bffe8198e3534f3f589ca2494be0f298367f35baec27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a2d8e8c1a7e7cbc674bffe8198e3534f3f589ca2494be0f298367f35baec27", kill_on_drop: false }`
[INFO] [stdout] 57a2d8e8c1a7e7cbc674bffe8198e3534f3f589ca2494be0f298367f35baec27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ace1cd6b17fbabfbc302379df8eef94b16a804c7d85f3939e0c999e62ee5bf8
[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" "4ace1cd6b17fbabfbc302379df8eef94b16a804c7d85f3939e0c999e62ee5bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]  Documenting smolapps v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "4ace1cd6b17fbabfbc302379df8eef94b16a804c7d85f3939e0c999e62ee5bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ace1cd6b17fbabfbc302379df8eef94b16a804c7d85f3939e0c999e62ee5bf8", kill_on_drop: false }`
[INFO] [stdout] 4ace1cd6b17fbabfbc302379df8eef94b16a804c7d85f3939e0c999e62ee5bf8