[INFO] cloning repository https://github.com/therearedoors/vibe-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/therearedoors/vibe-chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherearedoors%2Fvibe-chess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherearedoors%2Fvibe-chess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c01fad431414b9e1fbe2f5a6e53890e80e5f38f
[INFO] checking therearedoors/vibe-chess-engine against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherearedoors%2Fvibe-chess-engine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/therearedoors/vibe-chess-engine
[INFO] finished tweaking git repo https://github.com/therearedoors/vibe-chess-engine
[INFO] tweaked toml for git repo https://github.com/therearedoors/vibe-chess-engine written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/therearedoors/vibe-chess-engine on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/therearedoors/vibe-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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90c39e8b8c6b9d6e06f0875a6d748b6f1741b5865a4f8707757bebe07911087a
[INFO] running `Command { std: "docker" "start" "-a" "90c39e8b8c6b9d6e06f0875a6d748b6f1741b5865a4f8707757bebe07911087a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c39e8b8c6b9d6e06f0875a6d748b6f1741b5865a4f8707757bebe07911087a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c39e8b8c6b9d6e06f0875a6d748b6f1741b5865a4f8707757bebe07911087a", kill_on_drop: false }`
[INFO] [stdout] 90c39e8b8c6b9d6e06f0875a6d748b6f1741b5865a4f8707757bebe07911087a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4430e3fd6993301209157cc76f318aa972a581bb95d3aada4b3acc00ea3c32d3
[INFO] running `Command { std: "docker" "start" "-a" "4430e3fd6993301209157cc76f318aa972a581bb95d3aada4b3acc00ea3c32d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking chessAIvibe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `move_history` and `player_side` are never read
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct GameState {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     move_history: Vec<Move>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 58 |     player_side: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Move {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 68 |     from_row: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 69 |     from_col: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 70 |     to_row: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 71 |     to_col: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 72 |     piece: String, // Matches "pawn", etc.
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     captured: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 74 |     promotion: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `move_history` and `player_side` are never read
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct GameState {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     move_history: Vec<Move>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 58 |     player_side: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Move {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 68 |     from_row: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 69 |     from_col: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 70 |     to_row: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 71 |     to_col: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 72 |     piece: String, // Matches "pawn", etc.
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     captured: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 74 |     promotion: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "4430e3fd6993301209157cc76f318aa972a581bb95d3aada4b3acc00ea3c32d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4430e3fd6993301209157cc76f318aa972a581bb95d3aada4b3acc00ea3c32d3", kill_on_drop: false }`
[INFO] [stdout] 4430e3fd6993301209157cc76f318aa972a581bb95d3aada4b3acc00ea3c32d3