[INFO] cloning repository https://github.com/maximilian-heeg/sudoku-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maximilian-heeg/sudoku-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cad61a419bdade5ee945ea1a1d75dea909e3bc0
[INFO] testing maximilian-heeg/sudoku-rust against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maximilian-heeg/sudoku-rust
[INFO] finished tweaking git repo https://github.com/maximilian-heeg/sudoku-rust
[INFO] tweaked toml for git repo https://github.com/maximilian-heeg/sudoku-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maximilian-heeg/sudoku-rust on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maximilian-heeg/sudoku-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded either v1.8.1
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[INFO] [stderr]   Downloaded indicatif v0.17.3
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[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880
[INFO] running `Command { std: "docker" "start" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling indicatif v0.17.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 &self.fields[(row * 9)],
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -                 &self.fields[(row * 9)],
[INFO] [stdout] 158 +                 &self.fields[row * 9],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stdout] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stdout] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stdout] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stdout] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stdout] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stdout] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stdout] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:166:30
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stdout] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.59s
[INFO] running `Command { std: "docker" "inspect" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 &self.fields[(row * 9)],
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -                 &self.fields[(row * 9)],
[INFO] [stdout] 158 +                 &self.fields[row * 9],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stdout] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stdout] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stdout] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stdout] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stdout] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stdout] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stdout] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:166:30
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stdout] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 &self.fields[(row * 9)],
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -                 &self.fields[(row * 9)],
[INFO] [stdout] 158 +                 &self.fields[row * 9],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stdout] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stdout] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stdout] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stdout] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stdout] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stdout] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stdout] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:166:30
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stdout] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 |                 &self.fields[(row * 9)],
[INFO] [stderr]     |                              ^       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 158 -                 &self.fields[(row * 9)],
[INFO] [stderr] 158 +                 &self.fields[row * 9],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stderr] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stderr] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stderr] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:162:30
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stderr] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:163:30
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stderr] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:164:30
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stderr] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stderr] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:166:30
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stderr] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (lib) generated 9 warnings (run `cargo fix --lib -p sudoku` to apply 9 suggestions)
[INFO] [stderr] warning: `sudoku` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/sudoku-a681eac425b7bef8)
[INFO] [stdout] test tests::invalid_number ... ok
[INFO] [stdout] test tests::number_in_col ... ok
[INFO] [stdout] test tests::invalid_number_2 ... ok
[INFO] [stdout] test tests::number_in_row ... ok
[INFO] [stdout] test tests::number_in_square ... ok
[INFO] [stdout] test tests::number_not_in_col ... ok
[INFO] [stdout] test tests::number_not_in_row ... ok
[INFO] [stdout] test tests::number_not_in_square ... ok
[INFO] [stdout] test tests::possible_numbers ... ok
[INFO] [stdout] test tests::possible_numbers_2 ... ok
[INFO] [stdout] test tests::valid_number ... ok
[INFO] [stdout] test tests::valid_number_2 ... ok
[INFO] [stdout] test tests::solve_example_1 ... ok
[INFO] [stdout] test tests::solve_example_2 ... ok
[INFO] [stdout] test tests::solve_20_puzzles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/sudoku-bd0c6bfe64d41cbb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 |                 &self.fields[(row * 9)],
[INFO] [stderr]     |                              ^       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 158 -                 &self.fields[(row * 9)],
[INFO] [stderr] 158 +                 &self.fields[row * 9],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stderr] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stderr] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stderr] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:162:30
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stderr] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:163:30
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stderr] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:164:30
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stderr] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stderr] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/lib.rs:166:30
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stderr]     |                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stderr] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880", kill_on_drop: false }`
[INFO] [stdout] 6d562877943fda2cb3c13f34d809415e811f225e8447659d454892d6e809d880
