[INFO] updating cached repository cauebs/gomoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cauebs/gomoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cauebs/gomoku" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cauebs/gomoku" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cauebs/gomoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cauebs/gomoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8d6acfe32d9dabefe831e3056c0460fb7d4bd6a
[INFO] sha for GitHub repo cauebs/gomoku: f8d6acfe32d9dabefe831e3056c0460fb7d4bd6a
[INFO] validating manifest of cauebs/gomoku on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cauebs/gomoku on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cauebs/gomoku
[INFO] finished frobbing cauebs/gomoku
[INFO] frobbed toml for cauebs/gomoku written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku/Cargo.toml
[INFO] started frobbing cauebs/gomoku
[INFO] finished frobbing cauebs/gomoku
[INFO] frobbed toml for cauebs/gomoku written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/cauebs/gomoku/Cargo.toml
[INFO] crate cauebs/gomoku has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cauebs/gomoku against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] cf048c41b5bdc1f73078ab3d8eb7b1d390b71cf2b75fdfe606b7480841c4c3c8
[INFO] running `"docker" "start" "-a" "cf048c41b5bdc1f73078ab3d8eb7b1d390b71cf2b75fdfe606b7480841c4c3c8"`
[INFO] [stderr]    Compiling gomoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/ai.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |                          ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_move`
[INFO] [stderr]   --> src/ai.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: consider prefixing with an underscore: `_last_move`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ai.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coordinates_from_str`
[INFO] [stderr]  --> src/coordinates.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_turns`
[INFO] [stderr]   --> src/game.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn play_turns(&mut self, turns: u32) -> Option<EndGame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomBot`
[INFO] [stderr]   --> src/players.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct RandomBot;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TestBot`
[INFO] [stderr]   --> src/players.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct TestBot {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/players.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(mut moves: Vec<(usize, usize)>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "cf048c41b5bdc1f73078ab3d8eb7b1d390b71cf2b75fdfe606b7480841c4c3c8"`
[INFO] running `"docker" "rm" "-f" "cf048c41b5bdc1f73078ab3d8eb7b1d390b71cf2b75fdfe606b7480841c4c3c8"`
[INFO] [stdout] cf048c41b5bdc1f73078ab3d8eb7b1d390b71cf2b75fdfe606b7480841c4c3c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a50727b5caafce19e56d425a4a226dbc65c4184bb74a67c25dbc8234d0201def
[INFO] running `"docker" "start" "-a" "a50727b5caafce19e56d425a4a226dbc65c4184bb74a67c25dbc8234d0201def"`
[INFO] [stderr]    Compiling gomoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/ai.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |                          ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_move`
[INFO] [stderr]   --> src/ai.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: consider prefixing with an underscore: `_last_move`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ai.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coordinates_from_str`
[INFO] [stderr]  --> src/coordinates.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomBot`
[INFO] [stderr]   --> src/players.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct RandomBot;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "a50727b5caafce19e56d425a4a226dbc65c4184bb74a67c25dbc8234d0201def"`
[INFO] running `"docker" "rm" "-f" "a50727b5caafce19e56d425a4a226dbc65c4184bb74a67c25dbc8234d0201def"`
[INFO] [stdout] a50727b5caafce19e56d425a4a226dbc65c4184bb74a67c25dbc8234d0201def
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/cauebs/gomoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] e7b1de2d4a3e70f101447a0eda6179e6dd709424984f1541ab364ac2c2c53826
[INFO] running `"docker" "start" "-a" "e7b1de2d4a3e70f101447a0eda6179e6dd709424984f1541ab364ac2c2c53826"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gomoku-cccfd562bc390b38
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_vertical_victory ... ok
[INFO] [stdout] test tests::test_horizontal_wrap ... ok
[INFO] [stdout] test tests::test_horizontal_victory ... ok
[INFO] [stdout] test tests::test_diagonal_victory ... ok
[INFO] [stdout] test tests::test_vertical_wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e7b1de2d4a3e70f101447a0eda6179e6dd709424984f1541ab364ac2c2c53826"`
[INFO] running `"docker" "rm" "-f" "e7b1de2d4a3e70f101447a0eda6179e6dd709424984f1541ab364ac2c2c53826"`
[INFO] [stdout] e7b1de2d4a3e70f101447a0eda6179e6dd709424984f1541ab364ac2c2c53826