[INFO] cloning repository https://github.com/ledgerluminary55/tic_tac_toe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ledgerluminary55/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledgerluminary55%2Ftic_tac_toe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledgerluminary55%2Ftic_tac_toe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e52b9be5b01b3b26346c955d2ab2b064ec3fc85a [INFO] testing ledgerluminary55/tic_tac_toe against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledgerluminary55%2Ftic_tac_toe" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ledgerluminary55/tic_tac_toe [INFO] finished tweaking git repo https://github.com/ledgerluminary55/tic_tac_toe [INFO] tweaked toml for git repo https://github.com/ledgerluminary55/tic_tac_toe written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ledgerluminary55/tic_tac_toe on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ledgerluminary55/tic_tac_toe 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b1cdb9ba536601b0f154bf6c72256cd5e546db8aa7e08f3237c8f1b82300bfd [INFO] running `Command { std: "docker" "start" "-a" "0b1cdb9ba536601b0f154bf6c72256cd5e546db8aa7e08f3237c8f1b82300bfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b1cdb9ba536601b0f154bf6c72256cd5e546db8aa7e08f3237c8f1b82300bfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b1cdb9ba536601b0f154bf6c72256cd5e546db8aa7e08f3237c8f1b82300bfd", kill_on_drop: false }` [INFO] [stdout] 0b1cdb9ba536601b0f154bf6c72256cd5e546db8aa7e08f3237c8f1b82300bfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80567631298bda0f67a2b47933feb8cf65b0d32f9d2b98e596557b1442a4b39a [INFO] running `Command { std: "docker" "start" "-a" "80567631298bda0f67a2b47933feb8cf65b0d32f9d2b98e596557b1442a4b39a", kill_on_drop: false }` [INFO] [stderr] Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/main.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | board.winner == board.grid[0][2]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 110 | let _ = board.winner == board.grid[0][2]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "80567631298bda0f67a2b47933feb8cf65b0d32f9d2b98e596557b1442a4b39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80567631298bda0f67a2b47933feb8cf65b0d32f9d2b98e596557b1442a4b39a", kill_on_drop: false }` [INFO] [stdout] 80567631298bda0f67a2b47933feb8cf65b0d32f9d2b98e596557b1442a4b39a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6ac5f938604fcd142e0ba6b021c6a05ecedd90266c35ac2c128fdfa75274491 [INFO] running `Command { std: "docker" "start" "-a" "a6ac5f938604fcd142e0ba6b021c6a05ecedd90266c35ac2c128fdfa75274491", kill_on_drop: false }` [INFO] [stderr] Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/main.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | board.winner == board.grid[0][2]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 110 | let _ = board.winner == board.grid[0][2]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "a6ac5f938604fcd142e0ba6b021c6a05ecedd90266c35ac2c128fdfa75274491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6ac5f938604fcd142e0ba6b021c6a05ecedd90266c35ac2c128fdfa75274491", kill_on_drop: false }` [INFO] [stdout] a6ac5f938604fcd142e0ba6b021c6a05ecedd90266c35ac2c128fdfa75274491 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d65292ca6ccfea40041deee1a1fb63629f489b35453530e4a7e8360969bb2109 [INFO] running `Command { std: "docker" "start" "-a" "d65292ca6ccfea40041deee1a1fb63629f489b35453530e4a7e8360969bb2109", kill_on_drop: false }` [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/main.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | board.winner == board.grid[0][2]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 110 | let _ = board.winner == board.grid[0][2]; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `tic_tac_toe` (bin "tic_tac_toe" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-48b5f78653424cae) [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" "d65292ca6ccfea40041deee1a1fb63629f489b35453530e4a7e8360969bb2109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65292ca6ccfea40041deee1a1fb63629f489b35453530e4a7e8360969bb2109", kill_on_drop: false }` [INFO] [stdout] d65292ca6ccfea40041deee1a1fb63629f489b35453530e4a7e8360969bb2109