[INFO] fetching crate classif 0.0.2...
[INFO] documenting classif-0.0.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate classif 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate classif 0.0.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate classif 0.0.2
[INFO] finished tweaking crates.io crate classif 0.0.2
[INFO] tweaked toml for crates.io crate classif 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8365c8981a779f4eecdcef0ba91ea7241a29a0e404045708d483137e6995d0e9
[INFO] running `Command { std: "docker" "start" "-a" "8365c8981a779f4eecdcef0ba91ea7241a29a0e404045708d483137e6995d0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8365c8981a779f4eecdcef0ba91ea7241a29a0e404045708d483137e6995d0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8365c8981a779f4eecdcef0ba91ea7241a29a0e404045708d483137e6995d0e9", kill_on_drop: false }`
[INFO] [stdout] 8365c8981a779f4eecdcef0ba91ea7241a29a0e404045708d483137e6995d0e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303bdd83c3db8668a4e9bc0488bcfb41e5f50e06cfeb83a1da98fa381bc10d50
[INFO] running `Command { std: "docker" "start" "-a" "303bdd83c3db8668a4e9bc0488bcfb41e5f50e06cfeb83a1da98fa381bc10d50", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]  Documenting classif v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         kclass[(j - 2)] = n;
[INFO] [stdout]    |                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         kclass[(j - 2)] = n;
[INFO] [stdout] 71 +         kclass[j - 2] = n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout]    |                                   ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout]    |                               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "303bdd83c3db8668a4e9bc0488bcfb41e5f50e06cfeb83a1da98fa381bc10d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303bdd83c3db8668a4e9bc0488bcfb41e5f50e06cfeb83a1da98fa381bc10d50", kill_on_drop: false }`
[INFO] [stdout] 303bdd83c3db8668a4e9bc0488bcfb41e5f50e06cfeb83a1da98fa381bc10d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fced1c8412b7c8be47ad7371ca1ecc86d61863fa182adb313b42556420413772
[INFO] running `Command { std: "docker" "start" "-a" "fced1c8412b7c8be47ad7371ca1ecc86d61863fa182adb313b42556420413772", kill_on_drop: false }`
[INFO] [stderr]  Documenting classif v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         kclass[(j - 2)] = n;
[INFO] [stdout]    |                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         kclass[(j - 2)] = n;
[INFO] [stdout] 71 +         kclass[j - 2] = n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout]    |                                   ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout]    |                               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[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 0.38s
[INFO] running `Command { std: "docker" "inspect" "fced1c8412b7c8be47ad7371ca1ecc86d61863fa182adb313b42556420413772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fced1c8412b7c8be47ad7371ca1ecc86d61863fa182adb313b42556420413772", kill_on_drop: false }`
[INFO] [stdout] fced1c8412b7c8be47ad7371ca1ecc86d61863fa182adb313b42556420413772
