[INFO] cloning repository https://github.com/t-yng/wasm_othello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-yng/wasm_othello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-yng%2Fwasm_othello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-yng%2Fwasm_othello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 109da3155e6ae2403fcaebd3e7753cbc18c4741c
[INFO] checking t-yng/wasm_othello against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-yng%2Fwasm_othello" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-yng/wasm_othello on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d476252c0b38f044b9b30515f0420f2ed2ea5b4eba31d2adf336b26044820e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33d476252c0b38f044b9b30515f0420f2ed2ea5b4eba31d2adf336b26044820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d476252c0b38f044b9b30515f0420f2ed2ea5b4eba31d2adf336b26044820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d476252c0b38f044b9b30515f0420f2ed2ea5b4eba31d2adf336b26044820e", kill_on_drop: false }`
[INFO] [stdout] 33d476252c0b38f044b9b30515f0420f2ed2ea5b4eba31d2adf336b26044820e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a41b15c3399e69ec5c2e09c617b5d64b01c60374a5417a76f2de75a2f2653a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61a41b15c3399e69ec5c2e09c617b5d64b01c60374a5417a76f2de75a2f2653a", kill_on_drop: false }`
[INFO] [stderr]     Checking wasm_othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Direction`
[INFO] [stdout]  --> src/board/simulator.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Direction;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `LEFT_UP`
[INFO] [stdout]  --> src/board/simulator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const LEFT_UP: i8 = -9;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UP`
[INFO] [stdout]  --> src/board/simulator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     const UP: i8 = -8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RIGHT_UP`
[INFO] [stdout]  --> src/board/simulator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     const RIGHT_UP: i8 = -7;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `LEFT`
[INFO] [stdout]   --> src/board/simulator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     const LEFT: i8 = -1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RIGHT`
[INFO] [stdout]   --> src/board/simulator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const RIGHT: i8 = 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `LEFT_DOWN`
[INFO] [stdout]   --> src/board/simulator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     const LEFT_DOWN: i8 = 7;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DOWN`
[INFO] [stdout]   --> src/board/simulator.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const DOWN: i8 = 8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RIGHT_DOWN`
[INFO] [stdout]   --> src/board/simulator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const RIGHT_DOWN: i8 = 9;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `directions`
[INFO] [stdout]   --> src/board/simulator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn directions () -> Vec<i8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_available_positions`
[INFO] [stdout]   --> src/board/simulator.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn get_available_positions (cells: &Vec<Cell>, stone: CellState) -> Vec<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flip_stones`
[INFO] [stdout]   --> src/board/simulator.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn flip_stones (cells: &Vec<Cell>, position: usize, stone: CellState) -> Vec<Cell> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_game_end`
[INFO] [stdout]   --> src/board/simulator.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn is_game_end (cells: Vec<Cell>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `can_put_stone`
[INFO] [stdout]   --> src/board/simulator.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn can_put_stone (cells: &Vec<Cell>, position: usize, stone: CellState) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_flipped_positions`
[INFO] [stdout]   --> src/board/simulator.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_flipped_positions (cells: &Vec<Cell>, position: usize, stone: CellState) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_flipped_stone`
[INFO] [stdout]   --> src/board/simulator.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn count_flipped_stone (cells: &Vec<Cell>, position: usize, stone: CellState) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_flipped_direction_positions`
[INFO] [stdout]   --> src/board/simulator.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn get_flipped_direction_positions (cells: &Vec<Cell>, position: usize, direction: i8, stone: CellState, mut positions: Vec<usize>) -> Ve...
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_left_end`
[INFO] [stdout]    --> src/board/simulator.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn is_left_end (position: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_right_end`
[INFO] [stdout]    --> src/board/simulator.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn is_right_end (position: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_out_of_board`
[INFO] [stdout]    --> src/board/simulator.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn is_out_of_board (position: usize, direction: i8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put_stone`
[INFO] [stdout]   --> src/board.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn put_stone (&mut self, position: usize, stone: CellState) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put_stone`
[INFO] [stdout]   --> src/board.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn put_stone (&mut self, position: usize, stone: CellState) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "61a41b15c3399e69ec5c2e09c617b5d64b01c60374a5417a76f2de75a2f2653a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a41b15c3399e69ec5c2e09c617b5d64b01c60374a5417a76f2de75a2f2653a", kill_on_drop: false }`
[INFO] [stdout] 61a41b15c3399e69ec5c2e09c617b5d64b01c60374a5417a76f2de75a2f2653a