[INFO] cloning repository https://github.com/sjpeters2/ChessEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjpeters2/ChessEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjpeters2%2FChessEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjpeters2%2FChessEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 766e93649d28ee214479da63239cbdc2f4acf9a2
[INFO] checking sjpeters2/ChessEngine against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjpeters2%2FChessEngine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjpeters2/ChessEngine on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjpeters2/ChessEngine
[INFO] finished tweaking git repo https://github.com/sjpeters2/ChessEngine
[INFO] tweaked toml for git repo https://github.com/sjpeters2/ChessEngine written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sjpeters2/ChessEngine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4c3d5da9c0f5d797417b98d2e3e8a81bb606f044a1912efd8072b70838f1422
[INFO] running `Command { std: "docker" "start" "-a" "a4c3d5da9c0f5d797417b98d2e3e8a81bb606f044a1912efd8072b70838f1422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4c3d5da9c0f5d797417b98d2e3e8a81bb606f044a1912efd8072b70838f1422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c3d5da9c0f5d797417b98d2e3e8a81bb606f044a1912efd8072b70838f1422", kill_on_drop: false }`
[INFO] [stdout] a4c3d5da9c0f5d797417b98d2e3e8a81bb606f044a1912efd8072b70838f1422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4c73db9c6df7d4baa632076859da716fc2029fdf40cc80fbae00ff797cd306
[INFO] running `Command { std: "docker" "start" "-a" "1f4c73db9c6df7d4baa632076859da716fc2029fdf40cc80fbae00ff797cd306", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking rust_chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let mut piece_position = 0;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/rayattacks.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut bit_index;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `knight_attacks`
[INFO] [stdout]   --> src/knightattacks.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |        let knight_attacks = KnightAttacks::init(); 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_knight_attacks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Square` is more private than the item `game::Game::squares`
[INFO] [stdout]    --> src/game.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub squares: Vec<Square>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ field `game::Game::squares` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Square` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/game.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | enum Square {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_piece_and_square` and `push_empty_square` are never used
[INFO] [stdout]    --> src/game.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |  impl Game {
[INFO] [stdout]     |  --------- methods in this implementation
[INFO] [stdout] 132 |
[INFO] [stdout] 133 |     fn push_piece_and_square(&mut self, position: usize, color: Color, piece_type: PieceType, index: &mut usize){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn push_empty_square(&mut self){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COL_MAP` is never used
[INFO] [stdout]  --> src/rayattacks.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static COL_MAP : [char; 8] = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/rayattacks.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Rays {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 20 |     n_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     e_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     w_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     s_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     nw_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     ne_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     sw_rays: Vec<u64>,
[INFO] [stdout] 27 |     se_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_ray` is never used
[INFO] [stdout]   --> src/rayattacks.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn n_ray(row: i64, col: i64) -> Bitboard {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let mut piece_position = 0;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/rayattacks.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut bit_index;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Square` is more private than the item `game::Game::squares`
[INFO] [stdout]    --> src/game.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub squares: Vec<Square>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ field `game::Game::squares` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Square` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/game.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | enum Square {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_piece_and_square` and `push_empty_square` are never used
[INFO] [stdout]    --> src/game.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |  impl Game {
[INFO] [stdout]     |  --------- methods in this implementation
[INFO] [stdout] 132 |
[INFO] [stdout] 133 |     fn push_piece_and_square(&mut self, position: usize, color: Color, piece_type: PieceType, index: &mut usize){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn push_empty_square(&mut self){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Bitboard` is never used
[INFO] [stdout]  --> src/rayattacks.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Bitboard = u64;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COL_MAP` is never used
[INFO] [stdout]  --> src/rayattacks.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static COL_MAP : [char; 8] = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/rayattacks.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Rays {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 20 |     n_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     e_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     w_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     s_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     nw_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     ne_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     sw_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     se_rays: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `init` is never used
[INFO] [stdout]   --> src/rayattacks.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Rays {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 31 |     fn init() -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_ray` is never used
[INFO] [stdout]   --> src/rayattacks.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn n_ray(row: i64, col: i64) -> Bitboard {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/rayattacks.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_ray` is never used
[INFO] [stdout]   --> src/rayattacks.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn make_ray(row: i64, col: i64, direction: Direction) -> Bitboard {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/rayattacks.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn set_bit(bitboard: Bitboard, row: i64, col: i64) -> Bitboard{
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bitboard_to_string` is never used
[INFO] [stdout]    --> src/rayattacks.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn bitboard_to_string (bitboard: Bitboard, mark:Option<usize>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blocked_ray_attacks` is never used
[INFO] [stdout]    --> src/rayattacks.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn blocked_ray_attacks(ray: Bitboard, ray_family: &Vec<Bitboard>, forward_ray: bool, occupancy: Bitboard) -> Bitboard {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/knightattacks.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct KnightAttacks(Vec<Bitboard>);
[INFO] [stdout]   |            ------------- ^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `init` is never used
[INFO] [stdout]  --> src/knightattacks.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl KnightAttacks {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 9 |     fn init() -> Self {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `knight_attacks` is never used
[INFO] [stdout]   --> src/knightattacks.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn knight_attacks(row: i32, col: i32) -> Bitboard {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1f4c73db9c6df7d4baa632076859da716fc2029fdf40cc80fbae00ff797cd306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4c73db9c6df7d4baa632076859da716fc2029fdf40cc80fbae00ff797cd306", kill_on_drop: false }`
[INFO] [stdout] 1f4c73db9c6df7d4baa632076859da716fc2029fdf40cc80fbae00ff797cd306