[INFO] cloning repository https://github.com/zayaanra/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zayaanra/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzayaanra%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzayaanra%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dec7a13a73af979b87115b2d811521f2b40ef75
[INFO] checking zayaanra/chess-engine against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzayaanra%2Fchess-engine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zayaanra/chess-engine on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zayaanra/chess-engine
[INFO] finished tweaking git repo https://github.com/zayaanra/chess-engine
[INFO] tweaked toml for git repo https://github.com/zayaanra/chess-engine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zayaanra/chess-engine 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7c378e8cbec7ff6f8857f8bfbd3702a7f771ef5b58cbb7bba10ae03c1c94d8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c378e8cbec7ff6f8857f8bfbd3702a7f771ef5b58cbb7bba10ae03c1c94d8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c378e8cbec7ff6f8857f8bfbd3702a7f771ef5b58cbb7bba10ae03c1c94d8e4", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chess::board::Board`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chess::board::Board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::board::Board`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chess::board::Board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/ui/board_ui.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn run() -> eframe::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> src/chess/board.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Color();
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `NUM_COLORS`, `WHITE`, and `BLACK` are never used
[INFO] [stdout]  --> src/chess/board.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Color {
[INFO] [stdout]   | ---------- associated constants in this implementation
[INFO] [stdout] 5 |     const NUM_COLORS: usize = 2;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 |     const WHITE: usize = 0;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 8 |     const BLACK: usize = 1;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bitboard` is never constructed
[INFO] [stdout]   --> src/chess/board.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Bitboard(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bitboard` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/chess/board.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/ui/board_ui.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn run() -> eframe::Result<()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, and `print` are never used
[INFO] [stdout]   --> src/chess/board.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn init(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn print(&mut self, bb: Bitboard) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pieces` is never constructed
[INFO] [stdout]  --> src/chess/piece.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Pieces;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> src/chess/board.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Color();
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated constants are never used
[INFO] [stdout]   --> src/chess/piece.rs:4:15
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Pieces {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 4  |     pub const NUM_PIECES: usize = 6;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 5  |
[INFO] [stdout] 6  |     pub const KING: usize = 0;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 7  |     pub const QUEEN: usize = 1;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 8  |     pub const ROOK: usize = 2;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 9  |     pub const BISHOP: usize = 3;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 10 |     pub const KNIGHT: usize = 4;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 11 |     pub const PAWN: usize = 5;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 12 |     pub const EMPTY: usize = 6;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `NUM_COLORS`, `WHITE`, and `BLACK` are never used
[INFO] [stdout]  --> src/chess/board.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Color {
[INFO] [stdout]   | ---------- associated constants in this implementation
[INFO] [stdout] 5 |     const NUM_COLORS: usize = 2;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 |     const WHITE: usize = 0;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 8 |     const BLACK: usize = 1;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bitboard` is never constructed
[INFO] [stdout]   --> src/chess/board.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Bitboard(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bitboard` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/chess/board.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init`, and `print` are never used
[INFO] [stdout]   --> src/chess/board.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn init(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn print(&mut self, bb: Bitboard) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pieces` is never constructed
[INFO] [stdout]  --> src/chess/piece.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Pieces;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated constants are never used
[INFO] [stdout]   --> src/chess/piece.rs:4:15
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Pieces {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 4  |     pub const NUM_PIECES: usize = 6;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 5  |
[INFO] [stdout] 6  |     pub const KING: usize = 0;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 7  |     pub const QUEEN: usize = 1;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 8  |     pub const ROOK: usize = 2;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 9  |     pub const BISHOP: usize = 3;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 10 |     pub const KNIGHT: usize = 4;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 11 |     pub const PAWN: usize = 5;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 12 |     pub const EMPTY: usize = 6;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.86s
[INFO] running `Command { std: "docker" "inspect" "266b61afcaec8b355d451b3092d2720c177c3139b2df437066d18e70eb3aad55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266b61afcaec8b355d451b3092d2720c177c3139b2df437066d18e70eb3aad55", kill_on_drop: false }`
[INFO] [stdout] 266b61afcaec8b355d451b3092d2720c177c3139b2df437066d18e70eb3aad55
