[INFO] cloning repository https://github.com/jorrid/connect4-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorrid/connect4-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorrid%2Fconnect4-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorrid%2Fconnect4-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe02c7838c61ecda799eafb0627c033f45e5df1
[INFO] testing jorrid/connect4-solver against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorrid%2Fconnect4-solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jorrid/connect4-solver
[INFO] finished tweaking git repo https://github.com/jorrid/connect4-solver
[INFO] tweaked toml for git repo https://github.com/jorrid/connect4-solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jorrid/connect4-solver on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jorrid/connect4-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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 937c6c3c8d6101aebbfe2e79ef05ae5f1abdd48e47a952f084fc998510dee2dd
[INFO] running `Command { std: "docker" "start" "-a" "937c6c3c8d6101aebbfe2e79ef05ae5f1abdd48e47a952f084fc998510dee2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937c6c3c8d6101aebbfe2e79ef05ae5f1abdd48e47a952f084fc998510dee2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937c6c3c8d6101aebbfe2e79ef05ae5f1abdd48e47a952f084fc998510dee2dd", kill_on_drop: false }`
[INFO] [stdout] 937c6c3c8d6101aebbfe2e79ef05ae5f1abdd48e47a952f084fc998510dee2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a439cd49f3a44ce7abe595f794aa08aed962636f16072fefefa5420c216241e
[INFO] running `Command { std: "docker" "start" "-a" "5a439cd49f3a44ce7abe595f794aa08aed962636f16072fefefa5420c216241e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling connect4-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/bitboard.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/board.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW1` is never used
[INFO] [stdout]   --> src/bitboard.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const ROW1: u64 = ROW0 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW2` is never used
[INFO] [stdout]   --> src/bitboard.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const ROW2: u64 = ROW1 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW3` is never used
[INFO] [stdout]   --> src/bitboard.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ROW3: u64 = ROW2 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW4` is never used
[INFO] [stdout]   --> src/bitboard.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const ROW4: u64 = ROW3 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW5` is never used
[INFO] [stdout]   --> src/bitboard.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const ROW5: u64 = ROW4 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `or4l` is never used
[INFO] [stdout]   --> src/bitboard.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn or4l(x: u64, stride: u64) -> u64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comb34` is never used
[INFO] [stdout]   --> src/bitboard.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn comb34(x: u64, stride: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[INFO] [stdout]   --> src/bitboard.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn random(seed: u64) -> BitBoard {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/bitboard.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl BitBoard {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn flip(mut self, col: u64, row: u64) -> BitBoard {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn won_no_simd(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     fn won_simd(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn won(self) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn wins_no_simd(self) -> BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     fn almost_wins_no_simd(self) -> BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ITERATION_COUNT` is never used
[INFO] [stdout]    --> src/bitboard.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 286 |     const ITERATION_COUNT: u64 = 100;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECOND_PLAYER` is never used
[INFO] [stdout]  --> src/board.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SECOND_PLAYER: u64 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_win` and `canonical_lazy` are never used
[INFO] [stdout]   --> src/board.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn canonical_lazy(self) -> Board {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ITERATION_COUNT` is never used
[INFO] [stdout]    --> src/board.rs:131:11
[INFO] [stdout]     |
[INFO] [stdout] 131 |     const ITERATION_COUNT: u64 = 10;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_positions_from_file` is never used
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn test_positions_from_file(fname: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5a439cd49f3a44ce7abe595f794aa08aed962636f16072fefefa5420c216241e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a439cd49f3a44ce7abe595f794aa08aed962636f16072fefefa5420c216241e", kill_on_drop: false }`
[INFO] [stdout] 5a439cd49f3a44ce7abe595f794aa08aed962636f16072fefefa5420c216241e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19f5b4ef1aa834cc7808bd9ac688573c25e923349f371881e0c2ae4ef3b828f
[INFO] running `Command { std: "docker" "start" "-a" "d19f5b4ef1aa834cc7808bd9ac688573c25e923349f371881e0c2ae4ef3b828f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling connect4-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ROW1` is never used
[INFO] [stdout]   --> src/bitboard.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const ROW1: u64 = ROW0 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW2` is never used
[INFO] [stdout]   --> src/bitboard.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const ROW2: u64 = ROW1 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW3` is never used
[INFO] [stdout]   --> src/bitboard.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ROW3: u64 = ROW2 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW4` is never used
[INFO] [stdout]   --> src/bitboard.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const ROW4: u64 = ROW3 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW5` is never used
[INFO] [stdout]   --> src/bitboard.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const ROW5: u64 = ROW4 << VER_STRIDE;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flip`, `won`, and `can_win` are never used
[INFO] [stdout]    --> src/bitboard.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl BitBoard {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn flip(mut self, col: u64, row: u64) -> BitBoard {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn won(self) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECOND_PLAYER` is never used
[INFO] [stdout]  --> src/board.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SECOND_PLAYER: u64 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_win` is never used
[INFO] [stdout]   --> src/board.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d19f5b4ef1aa834cc7808bd9ac688573c25e923349f371881e0c2ae4ef3b828f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19f5b4ef1aa834cc7808bd9ac688573c25e923349f371881e0c2ae4ef3b828f", kill_on_drop: false }`
[INFO] [stdout] d19f5b4ef1aa834cc7808bd9ac688573c25e923349f371881e0c2ae4ef3b828f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23ccc9fbc3431ff9dd1c409b98baa9d2e8e353975db5fcfb2957aefbf4cedf3a
[INFO] running `Command { std: "docker" "start" "-a" "23ccc9fbc3431ff9dd1c409b98baa9d2e8e353975db5fcfb2957aefbf4cedf3a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: constant `ROW1` is never used
[INFO] [stderr]   --> src/bitboard.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const ROW1: u64 = ROW0 << VER_STRIDE;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROW2` is never used
[INFO] [stderr]   --> src/bitboard.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const ROW2: u64 = ROW1 << VER_STRIDE;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROW3` is never used
[INFO] [stderr]   --> src/bitboard.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | const ROW3: u64 = ROW2 << VER_STRIDE;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROW4` is never used
[INFO] [stderr]   --> src/bitboard.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | const ROW4: u64 = ROW3 << VER_STRIDE;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROW5` is never used
[INFO] [stderr]   --> src/bitboard.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const ROW5: u64 = ROW4 << VER_STRIDE;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `flip`, `won`, and `can_win` are never used
[INFO] [stderr]    --> src/bitboard.rs:106:12
[INFO] [stderr]     |
[INFO] [stderr]  97 | impl BitBoard {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub fn flip(mut self, col: u64, row: u64) -> BitBoard {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 |     pub fn won(self) -> bool {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 250 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SECOND_PLAYER` is never used
[INFO] [stderr]  --> src/board.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const SECOND_PLAYER: u64 = 1;
[INFO] [stderr]   |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_win` is never used
[INFO] [stderr]   --> src/board.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Board {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn can_win(self, moves: BitBoard) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4-rust` (bin "connect4-rust" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect4_rust-c8fd79ccda31fe29)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test bitboard::tests::bench_almost_wins_simd ... ok
[INFO] [stdout] test bitboard::tests::bench_almost_wins_no_simd ... ok
[INFO] [stdout] test bitboard::tests::bench_won_simd ... ok
[INFO] [stdout] test board::tests::bench_canonical_lazy ... ok
[INFO] [stdout] test board::tests::bench_canonical_max ... ok
[INFO] [stdout] test bitboard::tests::bench_won_no_simd ... ok
[INFO] [stdout] test bitboard::tests::bench_wins_no_simd ... ok
[INFO] [stdout] test bitboard::tests::bench_wins_simd ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin connect4-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/connect4_rust-c8fd79ccda31fe29` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "23ccc9fbc3431ff9dd1c409b98baa9d2e8e353975db5fcfb2957aefbf4cedf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ccc9fbc3431ff9dd1c409b98baa9d2e8e353975db5fcfb2957aefbf4cedf3a", kill_on_drop: false }`
[INFO] [stdout] 23ccc9fbc3431ff9dd1c409b98baa9d2e8e353975db5fcfb2957aefbf4cedf3a
