[INFO] cloning repository https://github.com/ivanpolanis/sudoku_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanpolanis/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanpolanis%2Fsudoku_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanpolanis%2Fsudoku_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d7996a239f89589a433d0ea1756a00e86a58ce
[INFO] testing ivanpolanis/sudoku_solver against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanpolanis%2Fsudoku_solver" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivanpolanis/sudoku_solver on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivanpolanis/sudoku_solver
[INFO] finished tweaking git repo https://github.com/ivanpolanis/sudoku_solver
[INFO] tweaked toml for git repo https://github.com/ivanpolanis/sudoku_solver written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanpolanis/sudoku_solver 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" "+1.83.0" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ca1674315119dc71192b45a7a57aac808bee7492554f6490862fa887595256
[INFO] running `Command { std: "docker" "start" "-a" "54ca1674315119dc71192b45a7a57aac808bee7492554f6490862fa887595256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ca1674315119dc71192b45a7a57aac808bee7492554f6490862fa887595256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ca1674315119dc71192b45a7a57aac808bee7492554f6490862fa887595256", kill_on_drop: false }`
[INFO] [stdout] 54ca1674315119dc71192b45a7a57aac808bee7492554f6490862fa887595256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22bcbcf67773277fffd7342980e41d9c230ac32acfdcecb3394509aa62f9cf50
[INFO] running `Command { std: "docker" "start" "-a" "22bcbcf67773277fffd7342980e41d9c230ac32acfdcecb3394509aa62f9cf50", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new` and `DEFAULT` are never used
[INFO] [stdout]   --> src/utils.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new(board: [[u16; 9]; 9]) -> Game {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub const DEFAULT: Game = Game {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "22bcbcf67773277fffd7342980e41d9c230ac32acfdcecb3394509aa62f9cf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bcbcf67773277fffd7342980e41d9c230ac32acfdcecb3394509aa62f9cf50", kill_on_drop: false }`
[INFO] [stdout] 22bcbcf67773277fffd7342980e41d9c230ac32acfdcecb3394509aa62f9cf50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fd4de99a48b621239cfeda91a58de4542e204c92060769c8f792c90d728438
[INFO] running `Command { std: "docker" "start" "-a" "63fd4de99a48b621239cfeda91a58de4542e204c92060769c8f792c90d728438", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new` and `DEFAULT` are never used
[INFO] [stdout]   --> src/utils.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new(board: [[u16; 9]; 9]) -> Game {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub const DEFAULT: Game = Game {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "63fd4de99a48b621239cfeda91a58de4542e204c92060769c8f792c90d728438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fd4de99a48b621239cfeda91a58de4542e204c92060769c8f792c90d728438", kill_on_drop: false }`
[INFO] [stdout] 63fd4de99a48b621239cfeda91a58de4542e204c92060769c8f792c90d728438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a1b8e776c48a90fe3838ae3ed7f8c1a1b36ae1063269244d9e293f7af8d8e35
[INFO] running `Command { std: "docker" "start" "-a" "6a1b8e776c48a90fe3838ae3ed7f8c1a1b36ae1063269244d9e293f7af8d8e35", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `new` and `DEFAULT` are never used
[INFO] [stderr]   --> src/utils.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Game {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 7  |     pub fn new(board: [[u16; 9]; 9]) -> Game {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub const DEFAULT: Game = Game {
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku_solver` (bin "sudoku_solver" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-7d76f8971fec75b6)
[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" "6a1b8e776c48a90fe3838ae3ed7f8c1a1b36ae1063269244d9e293f7af8d8e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1b8e776c48a90fe3838ae3ed7f8c1a1b36ae1063269244d9e293f7af8d8e35", kill_on_drop: false }`
[INFO] [stdout] 6a1b8e776c48a90fe3838ae3ed7f8c1a1b36ae1063269244d9e293f7af8d8e35