[INFO] fetching crate cargo-commentratio 0.0.1...
[INFO] documenting cargo-commentratio-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-commentratio 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-commentratio 0.0.1 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 cargo-commentratio 0.0.1
[INFO] finished tweaking crates.io crate cargo-commentratio 0.0.1
[INFO] tweaked toml for crates.io crate cargo-commentratio 0.0.1 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 56fc24ccc04fd56ebbd5c1b92bbc66ea2ae37a2a1acde5a933e9689fa3674211
[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" "56fc24ccc04fd56ebbd5c1b92bbc66ea2ae37a2a1acde5a933e9689fa3674211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fc24ccc04fd56ebbd5c1b92bbc66ea2ae37a2a1acde5a933e9689fa3674211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fc24ccc04fd56ebbd5c1b92bbc66ea2ae37a2a1acde5a933e9689fa3674211", kill_on_drop: false }`
[INFO] [stdout] 56fc24ccc04fd56ebbd5c1b92bbc66ea2ae37a2a1acde5a933e9689fa3674211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0da93ace4dd8011ca45d7f94f4685801e09bb17164093b218950736b8733fa68
[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" "0da93ace4dd8011ca45d7f94f4685801e09bb17164093b218950736b8733fa68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking dialoguer v0.1.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]  Documenting cargo-commentratio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/calculate.rs:8:70
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn calculate(project_dir: &PathBuf, pbar: ProgressBar) -> Result<(f32)> {
[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 19.95s
[INFO] running `Command { std: "docker" "inspect" "0da93ace4dd8011ca45d7f94f4685801e09bb17164093b218950736b8733fa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da93ace4dd8011ca45d7f94f4685801e09bb17164093b218950736b8733fa68", kill_on_drop: false }`
[INFO] [stdout] 0da93ace4dd8011ca45d7f94f4685801e09bb17164093b218950736b8733fa68