[INFO] cloning repository https://github.com/ntBre/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntBre/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FntBre%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FntBre%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c312a9ebaa83a2084aee0f27c9ce4e878573b09
[INFO] testing ntBre/chess against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FntBre%2Fchess" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ntBre/chess
[INFO] finished tweaking git repo https://github.com/ntBre/chess
[INFO] tweaked toml for git repo https://github.com/ntBre/chess written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ntBre/chess on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ntBre/chess 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8891982e1cc3dd31b45643ecfaac41b130952ce25c79bcee9ea02a811eefb12
[INFO] running `Command { std: "docker" "start" "-a" "a8891982e1cc3dd31b45643ecfaac41b130952ce25c79bcee9ea02a811eefb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8891982e1cc3dd31b45643ecfaac41b130952ce25c79bcee9ea02a811eefb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8891982e1cc3dd31b45643ecfaac41b130952ce25c79bcee9ea02a811eefb12", kill_on_drop: false }`
[INFO] [stdout] a8891982e1cc3dd31b45643ecfaac41b130952ce25c79bcee9ea02a811eefb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe05b640565e1aa13c2cb0eb8379f70ca0fa5398246cc18e797b882abc6ce93
[INFO] running `Command { std: "docker" "start" "-a" "3fe05b640565e1aa13c2cb0eb8379f70ca0fa5398246cc18e797b882abc6ce93", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut ret = Vec::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> src/board.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let moves = piece.moves(*coord);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/lib.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct Move {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Move {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 21 |     pub(crate) fn new<T: Into<AlgebraicCoord>>(piece: Piece, coord: T) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `moves` is never used
[INFO] [stdout]   --> src/board.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn moves(&self, player: Player) -> Vec<Move> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `moves` is never used
[INFO] [stdout]   --> src/piece.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub(crate) fn moves(&self, coord: AlgebraicCoord) -> Vec<Move> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3fe05b640565e1aa13c2cb0eb8379f70ca0fa5398246cc18e797b882abc6ce93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe05b640565e1aa13c2cb0eb8379f70ca0fa5398246cc18e797b882abc6ce93", kill_on_drop: false }`
[INFO] [stdout] 3fe05b640565e1aa13c2cb0eb8379f70ca0fa5398246cc18e797b882abc6ce93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d934fa8602be2aac9f9fce1cf9bc8b7fe017c1f4b643f6594efb8e317f4783a3
[INFO] running `Command { std: "docker" "start" "-a" "d934fa8602be2aac9f9fce1cf9bc8b7fe017c1f4b643f6594efb8e317f4783a3", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut ret = Vec::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> src/board.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let moves = piece.moves(*coord);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/lib.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct Move {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Move {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 21 |     pub(crate) fn new<T: Into<AlgebraicCoord>>(piece: Piece, coord: T) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `moves` is never used
[INFO] [stdout]   --> src/board.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn moves(&self, player: Player) -> Vec<Move> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `moves` is never used
[INFO] [stdout]   --> src/piece.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub(crate) fn moves(&self, coord: AlgebraicCoord) -> Vec<Move> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut ret = Vec::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> src/board.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let moves = piece.moves(*coord);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `moves` is never used
[INFO] [stdout]   --> src/board.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn moves(&self, player: Player) -> Vec<Move> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d934fa8602be2aac9f9fce1cf9bc8b7fe017c1f4b643f6594efb8e317f4783a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d934fa8602be2aac9f9fce1cf9bc8b7fe017c1f4b643f6594efb8e317f4783a3", kill_on_drop: false }`
[INFO] [stdout] d934fa8602be2aac9f9fce1cf9bc8b7fe017c1f4b643f6594efb8e317f4783a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d334378f70347980f71e1158c99a03dcd93abd45f3ec53134139da1b5ce5940d
[INFO] running `Command { std: "docker" "start" "-a" "d334378f70347980f71e1158c99a03dcd93abd45f3ec53134139da1b5ce5940d", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> src/board.rs:68:13
[INFO] [stdout] running 4 tests
[INFO] [stderr]    |
[INFO] [stdout] test tests::white_pawn_up ... ok
[INFO] [stderr] 68 |         let mut ret = Vec::new();
[INFO] [stdout] test tests::king_move ... ok
[INFO] [stderr]    |             ----^^^
[INFO] [stdout] test tests::black_pawn_up ... ok
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `moves`
[INFO] [stderr]   --> src/board.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let moves = piece.moves(*coord);
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Move` is never constructed
[INFO] [stderr]   --> src/lib.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub(crate) struct Move {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lib.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Move {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 21 |     pub(crate) fn new<T: Into<AlgebraicCoord>>(piece: Piece, coord: T) -> Self {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `moves` is never used
[INFO] [stderr]   --> src/board.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Board {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn moves(&self, player: Player) -> Vec<Move> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `moves` is never used
[INFO] [stderr]   --> src/piece.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Piece {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub(crate) fn moves(&self, coord: AlgebraicCoord) -> Vec<Move> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib) generated 6 warnings (run `cargo fix --lib -p chess` to apply 2 suggestions)
[INFO] [stderr] warning: method `moves` is never used
[INFO] [stderr]   --> src/board.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Board {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn moves(&self, player: Player) -> Vec<Move> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess-4139f44f2aa359f0)
[INFO] [stdout] test tests::initial_eval ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess-80251a40323b6b71)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chess
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d334378f70347980f71e1158c99a03dcd93abd45f3ec53134139da1b5ce5940d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d334378f70347980f71e1158c99a03dcd93abd45f3ec53134139da1b5ce5940d", kill_on_drop: false }`
[INFO] [stdout] d334378f70347980f71e1158c99a03dcd93abd45f3ec53134139da1b5ce5940d
