[INFO] cloning repository https://github.com/MyK00L/zerosumrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MyK00L/zerosumrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMyK00L%2Fzerosumrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMyK00L%2Fzerosumrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 031a67a9f13f79079de7b68db24c67698adb9a7f
[INFO] checking MyK00L/zerosumrs against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMyK00L%2Fzerosumrs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MyK00L/zerosumrs on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MyK00L/zerosumrs
[INFO] finished tweaking git repo https://github.com/MyK00L/zerosumrs
[INFO] tweaked toml for git repo https://github.com/MyK00L/zerosumrs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MyK00L/zerosumrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21ea63674df54e4d304a13addbbec775719a31c7119fb8bbfb080a5061d3d522
[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" "21ea63674df54e4d304a13addbbec775719a31c7119fb8bbfb080a5061d3d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ea63674df54e4d304a13addbbec775719a31c7119fb8bbfb080a5061d3d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ea63674df54e4d304a13addbbec775719a31c7119fb8bbfb080a5061d3d522", kill_on_drop: false }`
[INFO] [stdout] 21ea63674df54e4d304a13addbbec775719a31c7119fb8bbfb080a5061d3d522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75cbc0ef6891fea6e64816ebdff922c0121ea3f4baf5c377ff2e850fe58ffb34
[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" "75cbc0ef6891fea6e64816ebdff922c0121ea3f4baf5c377ff2e850fe58ffb34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking zerosumrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mancala::*`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use mancala::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_hard::*`
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use minimax_hard::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monte_carlo_total::*`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use monte_carlo_total::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monte_carlo_tree_search::*`
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use monte_carlo_tree_search::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `othello::*`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use othello::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tictactoe::*`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use tictactoe::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mancala::*`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use mancala::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_hard::*`
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use minimax_hard::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monte_carlo_total::*`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use monte_carlo_total::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monte_carlo_tree_search::*`
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use monte_carlo_tree_search::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `othello::*`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use othello::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tictactoe::*`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use tictactoe::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for i in 0..1000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `move_count` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut move_count = 0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_move_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/main.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut h = std::collections::HashSet::<<Tablut as Game>::S>::new();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:183:7
[INFO] [stdout]     |
[INFO] [stdout] 183 |         for j in 0..n {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:168:6
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut h = std::collections::HashSet::<<Tablut as Game>::S>::new();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/main.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buffer: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `D_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / const D_TABLE: [usize; 81] = [
[INFO] [stdout] 15 | |     1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 3, 3, 1, 0, 1, 3, 3, 1, 1, 3, 3, 3, 2, 3, 3, 3, 1, 0, 1, 3, 3, 2,
[INFO] [stdout] 16 | |     3, 3, 1, 0, 0, 0, 2, 2, 0, 2, 2, 0, 0, 0, 1, 3, 3, 2, 3, 3, 1, 0, 1, 3, 3, 3, 2, 3, 3, 3, 1, 1,
[INFO] [stdout] 17 | |     3, 3, 1, 0, 1, 3, 3, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1,
[INFO] [stdout] 18 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `D_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const D_VALS: [i64; 4] = [32, 33, 34, 35];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / const K_TABLE: [usize; 81] = [
[INFO] [stdout] 21 | |     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 3, 0, 3, 5, 5, 0, 0, 5, 6, 4, 4, 4, 6, 5, 0, 0, 3, 4, 1, 2,
[INFO] [stdout] 22 | |     1, 4, 3, 0, 0, 0, 4, 2, 3, 2, 4, 0, 0, 0, 3, 4, 1, 2, 1, 4, 3, 0, 0, 5, 6, 4, 4, 4, 6, 5, 0, 0,
[INFO] [stdout] 23 | |     5, 5, 3, 0, 3, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
[INFO] [stdout] 24 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const K_VALS: [i64; 7] = [64, 65, 66, 67, 68, 72, 74];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / const A_TABLE: [usize; 81] = [
[INFO] [stdout] 27 | |     1, 4, 3, 3, 3, 3, 3, 4, 1, 4, 6, 6, 2, 3, 2, 6, 6, 4, 3, 6, 7, 3, 2, 3, 7, 6, 3, 3, 2, 3, 5, 4,
[INFO] [stdout] 28 | |     5, 3, 2, 3, 3, 3, 2, 4, 0, 4, 2, 3, 3, 3, 2, 3, 5, 4, 5, 3, 2, 3, 3, 6, 7, 3, 2, 3, 7, 6, 3, 4,
[INFO] [stdout] 29 | |     6, 6, 2, 3, 2, 6, 6, 4, 1, 4, 3, 3, 3, 3, 3, 4, 1,
[INFO] [stdout] 30 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | const A_VALS: [i64; 8] = [-16, -17, -18, -19, -20, -21, -22, -26];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stats`
[INFO] [stdout]    --> src/minimax_tablut.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn print_stats(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rem_piece`
[INFO] [stdout]   --> src/othello.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn rem_piece(&mut self, p: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unmapc`
[INFO] [stdout]    --> src/tablut_with_draw.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn unmapc(p: u8) -> (u8, u8) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_play`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn random_play<G: Game>() -> (State, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_stats`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn print_stats<G: Game>() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_rollback`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn test_rollback<G: Game>() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_cell`
[INFO] [stdout]    --> src/main.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn scan_cell(scan: &mut Scanner) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_mov`
[INFO] [stdout]    --> src/main.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn scan_mov(scan: &mut Scanner) -> (u8, u8) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tablut_test`
[INFO] [stdout]    --> src/main.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn tablut_test() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dothing`
[INFO] [stdout]    --> src/main.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn dothing() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for i in 0..1000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `move_count` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut move_count = 0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_move_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/main.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut h = std::collections::HashSet::<<Tablut as Game>::S>::new();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:183:7
[INFO] [stdout]     |
[INFO] [stdout] 183 |         for j in 0..n {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:168:6
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut h = std::collections::HashSet::<<Tablut as Game>::S>::new();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/main.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buffer: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `D_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / const D_TABLE: [usize; 81] = [
[INFO] [stdout] 15 | |     1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 3, 3, 1, 0, 1, 3, 3, 1, 1, 3, 3, 3, 2, 3, 3, 3, 1, 0, 1, 3, 3, 2,
[INFO] [stdout] 16 | |     3, 3, 1, 0, 0, 0, 2, 2, 0, 2, 2, 0, 0, 0, 1, 3, 3, 2, 3, 3, 1, 0, 1, 3, 3, 3, 2, 3, 3, 3, 1, 1,
[INFO] [stdout] 17 | |     3, 3, 1, 0, 1, 3, 3, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1,
[INFO] [stdout] 18 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `D_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const D_VALS: [i64; 4] = [32, 33, 34, 35];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / const K_TABLE: [usize; 81] = [
[INFO] [stdout] 21 | |     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 3, 0, 3, 5, 5, 0, 0, 5, 6, 4, 4, 4, 6, 5, 0, 0, 3, 4, 1, 2,
[INFO] [stdout] 22 | |     1, 4, 3, 0, 0, 0, 4, 2, 3, 2, 4, 0, 0, 0, 3, 4, 1, 2, 1, 4, 3, 0, 0, 5, 6, 4, 4, 4, 6, 5, 0, 0,
[INFO] [stdout] 23 | |     5, 5, 3, 0, 3, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
[INFO] [stdout] 24 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const K_VALS: [i64; 7] = [64, 65, 66, 67, 68, 72, 74];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_TABLE`
[INFO] [stdout]   --> src/minimax_tablut.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / const A_TABLE: [usize; 81] = [
[INFO] [stdout] 27 | |     1, 4, 3, 3, 3, 3, 3, 4, 1, 4, 6, 6, 2, 3, 2, 6, 6, 4, 3, 6, 7, 3, 2, 3, 7, 6, 3, 3, 2, 3, 5, 4,
[INFO] [stdout] 28 | |     5, 3, 2, 3, 3, 3, 2, 4, 0, 4, 2, 3, 3, 3, 2, 3, 5, 4, 5, 3, 2, 3, 3, 6, 7, 3, 2, 3, 7, 6, 3, 4,
[INFO] [stdout] 29 | |     6, 6, 2, 3, 2, 6, 6, 4, 1, 4, 3, 3, 3, 3, 3, 4, 1,
[INFO] [stdout] 30 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_VALS`
[INFO] [stdout]   --> src/minimax_tablut.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | const A_VALS: [i64; 8] = [-16, -17, -18, -19, -20, -21, -22, -26];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stats`
[INFO] [stdout]    --> src/minimax_tablut.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn print_stats(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rem_piece`
[INFO] [stdout]   --> src/othello.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn rem_piece(&mut self, p: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unmapc`
[INFO] [stdout]    --> src/tablut_with_draw.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn unmapc(p: u8) -> (u8, u8) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_play`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn random_play<G: Game>() -> (State, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_stats`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn print_stats<G: Game>() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_rollback`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn test_rollback<G: Game>() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_cell`
[INFO] [stdout]    --> src/main.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn scan_cell(scan: &mut Scanner) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_mov`
[INFO] [stdout]    --> src/main.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn scan_mov(scan: &mut Scanner) -> (u8, u8) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tablut_test`
[INFO] [stdout]    --> src/main.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn tablut_test() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dothing`
[INFO] [stdout]    --> src/main.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn dothing() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "75cbc0ef6891fea6e64816ebdff922c0121ea3f4baf5c377ff2e850fe58ffb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cbc0ef6891fea6e64816ebdff922c0121ea3f4baf5c377ff2e850fe58ffb34", kill_on_drop: false }`
[INFO] [stdout] 75cbc0ef6891fea6e64816ebdff922c0121ea3f4baf5c377ff2e850fe58ffb34