[INFO] fetching crate locklessness 0.2.1...
[INFO] documenting locklessness-0.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate locklessness 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate locklessness 0.2.1 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 locklessness 0.2.1
[INFO] finished tweaking crates.io crate locklessness 0.2.1
[INFO] tweaked toml for crates.io crate locklessness 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bcf14ab3c5c79e8d7ca726ff8ce630922e7a8c5bf1ada6f0fae1524d5736e8c
[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" "1bcf14ab3c5c79e8d7ca726ff8ce630922e7a8c5bf1ada6f0fae1524d5736e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bcf14ab3c5c79e8d7ca726ff8ce630922e7a8c5bf1ada6f0fae1524d5736e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcf14ab3c5c79e8d7ca726ff8ce630922e7a8c5bf1ada6f0fae1524d5736e8c", kill_on_drop: false }`
[INFO] [stdout] 1bcf14ab3c5c79e8d7ca726ff8ce630922e7a8c5bf1ada6f0fae1524d5736e8c
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc810f35bd74b4b6f1cb758ea211911f2d3812a1b08292cb836a892b068f5da2
[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" "cc810f35bd74b4b6f1cb758ea211911f2d3812a1b08292cb836a892b068f5da2", kill_on_drop: false }`
[INFO] [stderr]  Documenting locklessness v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/containers/atomic_cell.rs:35:73
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let scratch = Scratch::new(storage.none_storing_iter(id_limit));;
[INFO] [stdout]    |                                                                         ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "cc810f35bd74b4b6f1cb758ea211911f2d3812a1b08292cb836a892b068f5da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc810f35bd74b4b6f1cb758ea211911f2d3812a1b08292cb836a892b068f5da2", kill_on_drop: false }`
[INFO] [stdout] cc810f35bd74b4b6f1cb758ea211911f2d3812a1b08292cb836a892b068f5da2