[INFO] updating cached repository https://github.com/t-yng/wasm_othello
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 109da3155e6ae2403fcaebd3e7753cbc18c4741c
[INFO] checking t-yng/wasm_othello against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-yng%2Fwasm_othello" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-yng/wasm_othello on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/t-yng/wasm_othello
[INFO] finished tweaking git repo https://github.com/t-yng/wasm_othello
[INFO] tweaked toml for git repo https://github.com/t-yng/wasm_othello written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/t-yng/wasm_othello already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 882ad0541c4339bb0be8167c5e132fe2607b6fa232ebe7f1c8006df2823e0a2f
[INFO] running `"docker" "start" "-a" "882ad0541c4339bb0be8167c5e132fe2607b6fa232ebe7f1c8006df2823e0a2f"`
[INFO] [stderr]     Checking wasm_othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Direction`
[INFO] [stderr]  --> src/board/simulator.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Direction;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `LEFT_UP`
[INFO] [stderr]  --> src/board/simulator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     const LEFT_UP: i8 = -9;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `UP`
[INFO] [stderr]  --> src/board/simulator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     const UP: i8 = -8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `RIGHT_UP`
[INFO] [stderr]  --> src/board/simulator.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     const RIGHT_UP: i8 = -7;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `LEFT`
[INFO] [stderr]   --> src/board/simulator.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     const LEFT: i8 = -1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `RIGHT`
[INFO] [stderr]   --> src/board/simulator.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     const RIGHT: i8 = 1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `LEFT_DOWN`
[INFO] [stderr]   --> src/board/simulator.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     const LEFT_DOWN: i8 = 7;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `DOWN`
[INFO] [stderr]   --> src/board/simulator.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     const DOWN: i8 = 8;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `RIGHT_DOWN`
[INFO] [stderr]   --> src/board/simulator.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     const RIGHT_DOWN: i8 = 9;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `directions`
[INFO] [stderr]   --> src/board/simulator.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn directions () -> Vec<i8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_available_positions`
[INFO] [stderr]   --> src/board/simulator.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn get_available_positions (cells: &Vec<Cell>, stone: CellState) -> Vec<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `flip_stones`
[INFO] [stderr]   --> src/board/simulator.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn flip_stones (cells: &Vec<Cell>, position: usize, stone: CellState) -> Vec<Cell> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_game_end`
[INFO] [stderr]   --> src/board/simulator.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn is_game_end (cells: Vec<Cell>) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `can_put_stone`
[INFO] [stderr]   --> src/board/simulator.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn can_put_stone (cells: &Vec<Cell>, position: usize, stone: CellState) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_flipped_positions`
[INFO] [stderr]   --> src/board/simulator.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn get_flipped_positions (cells: &Vec<Cell>, position: usize, stone: CellState) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_flipped_stone`
[INFO] [stderr]   --> src/board/simulator.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn count_flipped_stone (cells: &Vec<Cell>, position: usize, stone: CellState) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_flipped_direction_positions`
[INFO] [stderr]   --> src/board/simulator.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn get_flipped_direction_positions (cells: &Vec<Cell>, position: usize, direction: i8, stone: CellState, mut positions: Vec<usize>) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_left_end`
[INFO] [stderr]    --> src/board/simulator.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn is_left_end (position: usize) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_right_end`
[INFO] [stderr]    --> src/board/simulator.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn is_right_end (position: usize) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_out_of_board`
[INFO] [stderr]    --> src/board/simulator.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn is_out_of_board (position: usize, direction: i8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put_stone`
[INFO] [stderr]   --> src/board.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn put_stone (&mut self, position: usize, stone: CellState) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put_stone`
[INFO] [stderr]   --> src/board.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn put_stone (&mut self, position: usize, stone: CellState) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "882ad0541c4339bb0be8167c5e132fe2607b6fa232ebe7f1c8006df2823e0a2f"`
[INFO] running `"docker" "rm" "-f" "882ad0541c4339bb0be8167c5e132fe2607b6fa232ebe7f1c8006df2823e0a2f"`
[INFO] [stdout] 882ad0541c4339bb0be8167c5e132fe2607b6fa232ebe7f1c8006df2823e0a2f