[INFO] cloning repository https://github.com/CheukNgai/PageRank_Timely
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CheukNgai/PageRank_Timely" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2828a9534788794f7c93d9d888eb8170488b1a7c
[INFO] documenting CheukNgai/PageRank_Timely against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/CheukNgai/PageRank_Timely 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 git repo https://github.com/CheukNgai/PageRank_Timely
[INFO] finished tweaking git repo https://github.com/CheukNgai/PageRank_Timely
[INFO] tweaked toml for git repo https://github.com/CheukNgai/PageRank_Timely written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CheukNgai/PageRank_Timely 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]  Downloading crates ...
[INFO] [stderr]   Downloaded timely_communication v0.6.0
[INFO] [stderr]   Downloaded abomonation v0.5.0
[INFO] [stderr]   Downloaded timely v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3026c3e0b6c71a5fd6bc7df5fd7568d1638db6cf5d3cc1e07efd467861ae37a6
[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" "3026c3e0b6c71a5fd6bc7df5fd7568d1638db6cf5d3cc1e07efd467861ae37a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3026c3e0b6c71a5fd6bc7df5fd7568d1638db6cf5d3cc1e07efd467861ae37a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3026c3e0b6c71a5fd6bc7df5fd7568d1638db6cf5d3cc1e07efd467861ae37a6", kill_on_drop: false }`
[INFO] [stdout] 3026c3e0b6c71a5fd6bc7df5fd7568d1638db6cf5d3cc1e07efd467861ae37a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 46f64c2ee026eb09b0194e2bb30aa8843c494abc6921af130713d928e803be12
[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" "46f64c2ee026eb09b0194e2bb30aa8843c494abc6921af130713d928e803be12", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking abomonation v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking file v1.1.2
[INFO] [stderr]     Checking timely_sort v0.1.6
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking timely_communication v0.6.0
[INFO] [stderr]     Checking timely v0.6.0
[INFO] [stderr]  Documenting pagerank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             if (index == 0) {
[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 10.41s
[INFO] running `Command { std: "docker" "inspect" "46f64c2ee026eb09b0194e2bb30aa8843c494abc6921af130713d928e803be12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f64c2ee026eb09b0194e2bb30aa8843c494abc6921af130713d928e803be12", kill_on_drop: false }`
[INFO] [stdout] 46f64c2ee026eb09b0194e2bb30aa8843c494abc6921af130713d928e803be12