[INFO] cloning repository https://github.com/EkardNT/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EkardNT/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d13dad9d3a68019eab7c5cce1291d514f6f6e5e
[INFO] documenting EkardNT/sudoku against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fsudoku" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EkardNT/sudoku on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EkardNT/sudoku
[INFO] finished tweaking git repo https://github.com/EkardNT/sudoku
[INFO] tweaked toml for git repo https://github.com/EkardNT/sudoku written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/EkardNT/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", 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] d7b3e043b84d07fd672bf5a4db14d93d47e09cedbe9507880fb0894d43443f3b
[INFO] running `Command { std: "docker" "start" "-a" "d7b3e043b84d07fd672bf5a4db14d93d47e09cedbe9507880fb0894d43443f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b3e043b84d07fd672bf5a4db14d93d47e09cedbe9507880fb0894d43443f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b3e043b84d07fd672bf5a4db14d93d47e09cedbe9507880fb0894d43443f3b", kill_on_drop: false }`
[INFO] [stdout] d7b3e043b84d07fd672bf5a4db14d93d47e09cedbe9507880fb0894d43443f3b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 741bf3b3ff9974d6a9c2aee3e44b1d5d5fd68265f88e4802aaefee4fa21972d8
[INFO] running `Command { std: "docker" "start" "-a" "741bf3b3ff9974d6a9c2aee3e44b1d5d5fd68265f88e4802aaefee4fa21972d8", kill_on_drop: false }`
[INFO] [stderr]  Documenting sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:185:15
[INFO] [stdout]     |
[INFO] [stdout] 185 |         while (current_down_index != header_index) {
[INFO] [stdout]     |               ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 185 -         while (current_down_index != header_index) {
[INFO] [stdout] 185 +         while current_down_index != header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |             while (current_right_index != current_down_index) {
[INFO] [stdout]     |                   ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             while (current_right_index != current_down_index) {
[INFO] [stdout] 191 +             while current_right_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:223:15
[INFO] [stdout]     |
[INFO] [stdout] 223 |         while (current_up_index != header_index) {
[INFO] [stdout]     |               ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 223 -         while (current_up_index != header_index) {
[INFO] [stdout] 223 +         while current_up_index != header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |             while (current_left_index != current_up_index) {
[INFO] [stdout]     |                   ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -             while (current_left_index != current_up_index) {
[INFO] [stdout] 229 +             while current_left_index != current_up_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:307:15
[INFO] [stdout]     |
[INFO] [stdout] 307 |         while (current_down_index != min_header_index) {
[INFO] [stdout]     |               ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 307 -         while (current_down_index != min_header_index) {
[INFO] [stdout] 307 +         while current_down_index != min_header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:313:19
[INFO] [stdout]     |
[INFO] [stdout] 313 |             while (current_right_index != current_down_index) {
[INFO] [stdout]     |                   ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 313 -             while (current_right_index != current_down_index) {
[INFO] [stdout] 313 +             while current_right_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |             while (current_left_index != current_down_index) {
[INFO] [stdout]     |                   ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 -             while (current_left_index != current_down_index) {
[INFO] [stdout] 332 +             while current_left_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:358:15
[INFO] [stdout]     |
[INFO] [stdout] 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
[INFO] [stdout]     |               ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 358 -         while (current_header_index != Matrix::ROOT_INDEX) {
[INFO] [stdout] 358 +         while current_header_index != Matrix::ROOT_INDEX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/matrix.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |                     if (current_index == row_front_index) {
[INFO] [stdout]     |                        ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 376 -                     if (current_index == row_front_index) {
[INFO] [stdout] 376 +                     if current_index == row_front_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "741bf3b3ff9974d6a9c2aee3e44b1d5d5fd68265f88e4802aaefee4fa21972d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741bf3b3ff9974d6a9c2aee3e44b1d5d5fd68265f88e4802aaefee4fa21972d8", kill_on_drop: false }`
[INFO] [stdout] 741bf3b3ff9974d6a9c2aee3e44b1d5d5fd68265f88e4802aaefee4fa21972d8
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 4fbc556668b77b4620393128c570afd535f4c82091307b5b4f15c2772e7df08c
[INFO] running `Command { std: "docker" "start" "-a" "4fbc556668b77b4620393128c570afd535f4c82091307b5b4f15c2772e7df08c", kill_on_drop: false }`
[INFO] [stderr]  Documenting sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:185:15
[INFO] [stdout]     |
[INFO] [stdout] 185 |         while (current_down_index != header_index) {
[INFO] [stdout]     |               ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 185 -         while (current_down_index != header_index) {
[INFO] [stdout] 185 +         while current_down_index != header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |             while (current_right_index != current_down_index) {
[INFO] [stdout]     |                   ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             while (current_right_index != current_down_index) {
[INFO] [stdout] 191 +             while current_right_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:223:15
[INFO] [stdout]     |
[INFO] [stdout] 223 |         while (current_up_index != header_index) {
[INFO] [stdout]     |               ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 223 -         while (current_up_index != header_index) {
[INFO] [stdout] 223 +         while current_up_index != header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |             while (current_left_index != current_up_index) {
[INFO] [stdout]     |                   ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -             while (current_left_index != current_up_index) {
[INFO] [stdout] 229 +             while current_left_index != current_up_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:307:15
[INFO] [stdout]     |
[INFO] [stdout] 307 |         while (current_down_index != min_header_index) {
[INFO] [stdout]     |               ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 307 -         while (current_down_index != min_header_index) {
[INFO] [stdout] 307 +         while current_down_index != min_header_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:313:19
[INFO] [stdout]     |
[INFO] [stdout] 313 |             while (current_right_index != current_down_index) {
[INFO] [stdout]     |                   ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 313 -             while (current_right_index != current_down_index) {
[INFO] [stdout] 313 +             while current_right_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |             while (current_left_index != current_down_index) {
[INFO] [stdout]     |                   ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 -             while (current_left_index != current_down_index) {
[INFO] [stdout] 332 +             while current_left_index != current_down_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/matrix.rs:358:15
[INFO] [stdout]     |
[INFO] [stdout] 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
[INFO] [stdout]     |               ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 358 -         while (current_header_index != Matrix::ROOT_INDEX) {
[INFO] [stdout] 358 +         while current_header_index != Matrix::ROOT_INDEX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/matrix.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |                     if (current_index == row_front_index) {
[INFO] [stdout]     |                        ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 376 -                     if (current_index == row_front_index) {
[INFO] [stdout] 376 +                     if current_index == row_front_index {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4fbc556668b77b4620393128c570afd535f4c82091307b5b4f15c2772e7df08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbc556668b77b4620393128c570afd535f4c82091307b5b4f15c2772e7df08c", kill_on_drop: false }`
[INFO] [stdout] 4fbc556668b77b4620393128c570afd535f4c82091307b5b4f15c2772e7df08c