[INFO] cloning repository https://github.com/insipx/eth-graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insipx/eth-graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsipx%2Feth-graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsipx%2Feth-graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9387dc20c0db06f1cf8a894461440e2a53c8baaf
[INFO] documenting insipx/eth-graphs 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%2Finsipx%2Feth-graphs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/insipx/eth-graphs 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/insipx/eth-graphs
[INFO] finished tweaking git repo https://github.com/insipx/eth-graphs
[INFO] tweaked toml for git repo https://github.com/insipx/eth-graphs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/insipx/eth-graphs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.1
[INFO] [stderr]   Downloaded ethereum-types v0.4.0
[INFO] [stderr]   Downloaded plotlib v0.3.0
[INFO] [stderr]   Downloaded ethbloom v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 96486b11b958eef4b7d41fdbbb3b6cec46e4bdc153ab78ed5de946c7eb197080
[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" "96486b11b958eef4b7d41fdbbb3b6cec46e4bdc153ab78ed5de946c7eb197080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96486b11b958eef4b7d41fdbbb3b6cec46e4bdc153ab78ed5de946c7eb197080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96486b11b958eef4b7d41fdbbb3b6cec46e4bdc153ab78ed5de946c7eb197080", kill_on_drop: false }`
[INFO] [stdout] 96486b11b958eef4b7d41fdbbb3b6cec46e4bdc153ab78ed5de946c7eb197080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 67e7726f08f1063bd958ab88ef54feaaed4deec0e8183a4ccd17f705ac43b4cb
[INFO] running `Command { std: "docker" "start" "-a" "67e7726f08f1063bd958ab88ef54feaaed4deec0e8183a4ccd17f705ac43b4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.86
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking ethbloom v0.5.0
[INFO] [stderr]     Checking ethereum-types v0.4.0
[INFO] [stderr]  Documenting plot-eth-scoring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/algorithms.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |           let bump = ((21_000.0 * scores[idx]) /
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 46 | |             gas[prev_idx]);
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let bump = (21_000.0 * scores[idx]) /
[INFO] [stdout] 46 |             gas[prev_idx];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/algorithms.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |           let bump = ((21_000.0 * scores[idx]) /
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 69 | |             gas[prev_idx]);
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let bump = (21_000.0 * scores[idx]) /
[INFO] [stdout] 69 |             gas[prev_idx];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/algorithms.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |           let bump = ((21_000.0 * scores[idx]) /
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 95 | |             gas[prev_idx]);
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let bump = (21_000.0 * scores[idx]) /
[INFO] [stdout] 95 |             gas[prev_idx];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `Command { std: "docker" "inspect" "67e7726f08f1063bd958ab88ef54feaaed4deec0e8183a4ccd17f705ac43b4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e7726f08f1063bd958ab88ef54feaaed4deec0e8183a4ccd17f705ac43b4cb", kill_on_drop: false }`
[INFO] [stdout] 67e7726f08f1063bd958ab88ef54feaaed4deec0e8183a4ccd17f705ac43b4cb