[INFO] fetching crate sample 0.11.0...
[INFO] documenting sample-0.11.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate sample 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sample 0.11.0 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 sample 0.11.0
[INFO] finished tweaking crates.io crate sample 0.11.0
[INFO] tweaked toml for crates.io crate sample 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sample 0.11.0 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-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" "+1.47.0" "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] fcca4f9ae53e27de7d978218115c7d10ee2da2d44649180d5dcb334b26ee5cc6
[INFO] running `Command { std: "docker" "start" "-a" "fcca4f9ae53e27de7d978218115c7d10ee2da2d44649180d5dcb334b26ee5cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcca4f9ae53e27de7d978218115c7d10ee2da2d44649180d5dcb334b26ee5cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcca4f9ae53e27de7d978218115c7d10ee2da2d44649180d5dcb334b26ee5cc6", kill_on_drop: false }`
[INFO] [stdout] fcca4f9ae53e27de7d978218115c7d10ee2da2d44649180d5dcb334b26ee5cc6
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 923c626c2dcdcaf9efce1a0e2fd6eeb544a6292eaf652948714ea9fefe2bc7fe
[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" "923c626c2dcdcaf9efce1a0e2fd6eeb544a6292eaf652948714ea9fefe2bc7fe", kill_on_drop: false }`
[INFO] [stderr]  Documenting sample v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/conv.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |             ((s + 2_147_483_647 + 1) as u32)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 4.00s
[INFO] running `Command { std: "docker" "inspect" "923c626c2dcdcaf9efce1a0e2fd6eeb544a6292eaf652948714ea9fefe2bc7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923c626c2dcdcaf9efce1a0e2fd6eeb544a6292eaf652948714ea9fefe2bc7fe", kill_on_drop: false }`
[INFO] [stdout] 923c626c2dcdcaf9efce1a0e2fd6eeb544a6292eaf652948714ea9fefe2bc7fe
