[INFO] fetching crate GSL 1.1.0...
[INFO] documenting GSL-1.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate GSL 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate GSL 1.1.0 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 GSL 1.1.0
[INFO] finished tweaking crates.io crate GSL 1.1.0
[INFO] tweaked toml for crates.io crate GSL 1.1.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c1a90c0f1260b9e831aae8f9a37311bcc74e9007b8f111576894c3747df0148f
[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" "c1a90c0f1260b9e831aae8f9a37311bcc74e9007b8f111576894c3747df0148f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1a90c0f1260b9e831aae8f9a37311bcc74e9007b8f111576894c3747df0148f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a90c0f1260b9e831aae8f9a37311bcc74e9007b8f111576894c3747df0148f", kill_on_drop: false }`
[INFO] [stdout] c1a90c0f1260b9e831aae8f9a37311bcc74e9007b8f111576894c3747df0148f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c2958a9c31507c45742297e227ebd5af54a6df51617f75ebca102d42a34bed2
[INFO] running `Command { std: "docker" "start" "-a" "5c2958a9c31507c45742297e227ebd5af54a6df51617f75ebca102d42a34bed2", kill_on_drop: false }`
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]    Compiling GSL v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting GSL v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/types/integration.rs:2944:21
[INFO] [stdout]      |
[INFO] [stdout] 2944 |                     (nc > 0f64 && ncdiff / nc > 0.1f64)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/types/integration.rs:3676:5
[INFO] [stdout]      |
[INFO] [stdout] 3676 |     (result.abs() >= (1f64 - 50f64 * ::DBL_EPSILON) * resabs)
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/integration.rs:350:28
[INFO] [stdout]     |
[INFO] [stdout] 350 | ...fe { (w21a[k] * ((fv1[k] - mean).abs() + (fv2[k] - mean).abs()) + w21b[k] * ((fv3[k] - mean).abs() + (fv4[k] - mean).abs())) };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "5c2958a9c31507c45742297e227ebd5af54a6df51617f75ebca102d42a34bed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2958a9c31507c45742297e227ebd5af54a6df51617f75ebca102d42a34bed2", kill_on_drop: false }`
[INFO] [stdout] 5c2958a9c31507c45742297e227ebd5af54a6df51617f75ebca102d42a34bed2