Nov 27 16:31:25.780 INFO checking yogaxpto/tic-tac-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 16:31:25.782 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 16:31:26.355 INFO [stdout] f60be9d70860df48d2fbd8172ab24de8ace7422938b64fc097d96aed590f48cc
Nov 27 16:31:26.355 INFO running `"docker" "start" "-a" "f60be9d70860df48d2fbd8172ab24de8ace7422938b64fc097d96aed590f48cc"`
Nov 27 16:31:28.687 INFO [stderr] usermod: no changes
Nov 27 16:31:28.796 INFO [stderr]     Checking tic-tac-rust v0.1.0 (/source)
Nov 27 16:31:29.236 INFO [stderr] warning: unused variable: `bot_symbol`
Nov 27 16:31:29.236 INFO [stderr]    --> src/main.rs:202:9
Nov 27 16:31:29.236 INFO [stderr]     |
Nov 27 16:31:29.236 INFO [stderr] 202 |     let bot_symbol: State = State::opponent_symbol(player_symbol);
Nov 27 16:31:29.236 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_bot_symbol` instead
Nov 27 16:31:29.236 INFO [stderr]     |
Nov 27 16:31:29.238 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 16:31:29.238 INFO [stderr] 
Nov 27 16:31:29.238 INFO [stderr] warning: unused variable: `strategy`
Nov 27 16:31:29.238 INFO [stderr]    --> src/main.rs:169:28
Nov 27 16:31:29.238 INFO [stderr]     |
Nov 27 16:31:29.238 INFO [stderr] 169 |     pub fn bot_play(&self, strategy: Strategy) {
Nov 27 16:31:29.238 INFO [stderr]     |                            ^^^^^^^^ help: consider using `_strategy` instead
Nov 27 16:31:29.238 INFO [stderr] 
Nov 27 16:31:29.260 INFO [stderr] warning: unused variable: `bot_symbol`
Nov 27 16:31:29.260 INFO [stderr]    --> src/main.rs:202:9
Nov 27 16:31:29.260 INFO [stderr]     |
Nov 27 16:31:29.260 INFO [stderr] 202 |     let bot_symbol: State = State::opponent_symbol(player_symbol);
Nov 27 16:31:29.260 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_bot_symbol` instead
Nov 27 16:31:29.260 INFO [stderr]     |
Nov 27 16:31:29.260 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 16:31:29.260 INFO [stderr] 
Nov 27 16:31:29.260 INFO [stderr] warning: unused variable: `strategy`
Nov 27 16:31:29.260 INFO [stderr]    --> src/main.rs:169:28
Nov 27 16:31:29.260 INFO [stderr]     |
Nov 27 16:31:29.260 INFO [stderr] 169 |     pub fn bot_play(&self, strategy: Strategy) {
Nov 27 16:31:29.260 INFO [stderr]     |                            ^^^^^^^^ help: consider using `_strategy` instead
Nov 27 16:31:29.260 INFO [stderr] 
Nov 27 16:31:29.276 INFO [stderr] warning: method is never used: `child`
Nov 27 16:31:29.276 INFO [stderr]    --> src/main.rs:112:5
Nov 27 16:31:29.276 INFO [stderr]     |
Nov 27 16:31:29.276 INFO [stderr] 112 |     pub fn child(&mut self, symbol: State, row: usize, col: usize, player: State) -> Node {
Nov 27 16:31:29.276 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:31:29.284 INFO [stderr]     |
Nov 27 16:31:29.285 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 16:31:29.285 INFO [stderr] 
Nov 27 16:31:29.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:31:29.300 INFO [stderr]    --> src/main.rs:182:5
Nov 27 16:31:29.300 INFO [stderr]     |
Nov 27 16:31:29.300 INFO [stderr] 182 |     io.lock().read_line(&mut stdin);
Nov 27 16:31:29.300 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:31:29.302 INFO [stderr]     |
Nov 27 16:31:29.302 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 16:31:29.302 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:31:29.302 INFO [stderr] 
Nov 27 16:31:29.316 INFO [stderr] warning: method is never used: `child`
Nov 27 16:31:29.316 INFO [stderr]    --> src/main.rs:112:5
Nov 27 16:31:29.317 INFO [stderr]     |
Nov 27 16:31:29.317 INFO [stderr] 112 |     pub fn child(&mut self, symbol: State, row: usize, col: usize, player: State) -> Node {
Nov 27 16:31:29.317 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:31:29.317 INFO [stderr]     |
Nov 27 16:31:29.317 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 16:31:29.317 INFO [stderr] 
Nov 27 16:31:29.336 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:31:29.336 INFO [stderr]    --> src/main.rs:182:5
Nov 27 16:31:29.336 INFO [stderr]     |
Nov 27 16:31:29.336 INFO [stderr] 182 |     io.lock().read_line(&mut stdin);
Nov 27 16:31:29.336 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:31:29.336 INFO [stderr]     |
Nov 27 16:31:29.336 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 16:31:29.336 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:31:29.336 INFO [stderr] 
Nov 27 16:31:29.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Nov 27 16:31:29.390 INFO [stderr] su: No module specific data is present
Nov 27 16:31:31.117 INFO running `"docker" "inspect" "f60be9d70860df48d2fbd8172ab24de8ace7422938b64fc097d96aed590f48cc"`
Nov 27 16:31:31.484 INFO running `"docker" "rm" "-f" "f60be9d70860df48d2fbd8172ab24de8ace7422938b64fc097d96aed590f48cc"`
Nov 27 16:31:31.808 INFO [stdout] f60be9d70860df48d2fbd8172ab24de8ace7422938b64fc097d96aed590f48cc