[INFO] cloning repository https://github.com/boweihan/rustfish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boweihan/rustfish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboweihan%2Frustfish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboweihan%2Frustfish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb6d06bd823a535f2bae2cde617dddf77d3c762d
[INFO] checking boweihan/rustfish/eb6d06bd823a535f2bae2cde617dddf77d3c762d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboweihan%2Frustfish" "/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/boweihan/rustfish on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boweihan/rustfish
[INFO] finished tweaking git repo https://github.com/boweihan/rustfish
[INFO] tweaked toml for git repo https://github.com/boweihan/rustfish written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/boweihan/rustfish 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d67889910b9a05c9951e2553ed256985aee746b984f53aaf989d4273be7e54
[INFO] running `Command { std: "docker" "start" "-a" "38d67889910b9a05c9951e2553ed256985aee746b984f53aaf989d4273be7e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d67889910b9a05c9951e2553ed256985aee746b984f53aaf989d4273be7e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d67889910b9a05c9951e2553ed256985aee746b984f53aaf989d4273be7e54", kill_on_drop: false }`
[INFO] [stdout] 38d67889910b9a05c9951e2553ed256985aee746b984f53aaf989d4273be7e54
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1b41c4d2904aa988f9d6eccc27afea60911473ffcec184080db7bfa65761ed
[INFO] running `Command { std: "docker" "start" "-a" "4c1b41c4d2904aa988f9d6eccc27afea60911473ffcec184080db7bfa65761ed", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking rustfish v0.1.0 (/opt/rustwide/workdir/rustfish)
[INFO] [stderr]     Checking rustfish-bot v0.1.0 (/opt/rustwide/workdir/rustfish-bot)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> rustfish-bot/src/position.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `any` are never used
[INFO] [stdout]   --> rustfish-bot/src/bitboard.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl BitBoard {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 7  |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn any(self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `BEST_MOVE`, `COPY_PROTECTION`, `REGISTRATION`, `INFO`, and `OPTION` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl EngineOutput {
[INFO] [stdout]    | ----------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub const BEST_MOVE: &str = "bestmove";
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 23 |     pub const COPY_PROTECTION: &str = "copyprotection";
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub const REGISTRATION: &str = "registration";
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub const INFO: &str = "info";
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 26 |     pub const OPTION: &str = "option";
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `BLACK` is never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Sides {
[INFO] [stdout]    | ---------- associated constant in this implementation
[INFO] [stdout] 31 |     pub const WHITE: usize = 0;
[INFO] [stdout] 32 |     pub const BLACK: usize = 1;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pieces` is never constructed
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Pieces;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PAWN`, `BISHOP`, `KNIGHT`, `ROOK`, `QUEEN`, and `KING` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Pieces {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 37 |     pub const PAWN: usize = 0;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 38 |     pub const BISHOP: usize = 1;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 39 |     pub const KNIGHT: usize = 2;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 40 |     pub const ROOK: usize = 3;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 41 |     pub const QUEEN: usize = 4;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 42 |     pub const KING: usize = 5;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `KING_SIDE` and `QUEEN_SIDE` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Castling {
[INFO] [stdout]    | ------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub const KING_SIDE: u8 = Self::BLACK_00 | Self::WHITE_00;
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 54 |     pub const QUEEN_SIDE: u8 = Self::BLACK_000 | Self::WHITE_000;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SquareLabels` is never used
[INFO] [stdout]   --> rustfish-bot/src/enums.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum SquareLabels {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> rustfish-bot/src/position.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `any` are never used
[INFO] [stdout]   --> rustfish-bot/src/bitboard.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl BitBoard {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 7  |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn any(self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `BEST_MOVE`, `COPY_PROTECTION`, `REGISTRATION`, `INFO`, and `OPTION` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl EngineOutput {
[INFO] [stdout]    | ----------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub const BEST_MOVE: &str = "bestmove";
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 23 |     pub const COPY_PROTECTION: &str = "copyprotection";
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub const REGISTRATION: &str = "registration";
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub const INFO: &str = "info";
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 26 |     pub const OPTION: &str = "option";
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `BLACK` is never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Sides {
[INFO] [stdout]    | ---------- associated constant in this implementation
[INFO] [stdout] 31 |     pub const WHITE: usize = 0;
[INFO] [stdout] 32 |     pub const BLACK: usize = 1;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pieces` is never constructed
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Pieces;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PAWN`, `BISHOP`, `KNIGHT`, `ROOK`, `QUEEN`, and `KING` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Pieces {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 37 |     pub const PAWN: usize = 0;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 38 |     pub const BISHOP: usize = 1;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 39 |     pub const KNIGHT: usize = 2;
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 40 |     pub const ROOK: usize = 3;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 41 |     pub const QUEEN: usize = 4;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 42 |     pub const KING: usize = 5;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `KING_SIDE` and `QUEEN_SIDE` are never used
[INFO] [stdout]   --> rustfish-bot/src/constants.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Castling {
[INFO] [stdout]    | ------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub const KING_SIDE: u8 = Self::BLACK_00 | Self::WHITE_00;
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 54 |     pub const QUEEN_SIDE: u8 = Self::BLACK_000 | Self::WHITE_000;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SquareLabels` is never used
[INFO] [stdout]   --> rustfish-bot/src/enums.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum SquareLabels {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4c1b41c4d2904aa988f9d6eccc27afea60911473ffcec184080db7bfa65761ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1b41c4d2904aa988f9d6eccc27afea60911473ffcec184080db7bfa65761ed", kill_on_drop: false }`
[INFO] [stdout] 4c1b41c4d2904aa988f9d6eccc27afea60911473ffcec184080db7bfa65761ed