[INFO] cloning repository https://github.com/DRGC/chessengine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DRGC/chessengine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchessengine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchessengine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cadd8fdef730e174dc6f8d0ade251733d99039b8
[INFO] testing DRGC/chessengine against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchessengine" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DRGC/chessengine on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DRGC/chessengine
[INFO] finished tweaking git repo https://github.com/DRGC/chessengine
[INFO] tweaked toml for git repo https://github.com/DRGC/chessengine written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DRGC/chessengine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c388dada4be700a89f720e90ce80e7138592d1782187bbf98a9144a5860a4fd0
[INFO] running `Command { std: "docker" "start" "-a" "c388dada4be700a89f720e90ce80e7138592d1782187bbf98a9144a5860a4fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c388dada4be700a89f720e90ce80e7138592d1782187bbf98a9144a5860a4fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c388dada4be700a89f720e90ce80e7138592d1782187bbf98a9144a5860a4fd0", kill_on_drop: false }`
[INFO] [stdout] c388dada4be700a89f720e90ce80e7138592d1782187bbf98a9144a5860a4fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3485493340882a33442121ba899f870d9c9e2d6685b12a461509a47c0efa021
[INFO] running `Command { std: "docker" "start" "-a" "c3485493340882a33442121ba899f870d9c9e2d6685b12a461509a47c0efa021", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling chessengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut king: game::board::square::piece::Piece = game::board::square::piece::Piece::get_king(false);
[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/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut queen: game::board::square::piece::Piece = game::board::square::piece::Piece::get_queen(false);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]  --> src/game/player/clock.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     time: u128,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/game/player/clock.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     state: State 
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Started`
[INFO] [stdout]  --> src/game/player/clock.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Started
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/game/player/clock.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub async fn start(&mut self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]   --> src/game/player/clock.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub async fn stop(&mut self) {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colour`
[INFO] [stdout]  --> src/game/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     colour: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `score`
[INFO] [stdout]  --> src/game/player.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     score: u8
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pawn`
[INFO] [stdout]   --> src/game/board/square/piece.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bishop`
[INFO] [stdout]   --> src/game/board/square/piece.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Knight`
[INFO] [stdout]   --> src/game/board/square/piece.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Knight,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rook`
[INFO] [stdout]   --> src/game/board/square/piece.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LShape`
[INFO] [stdout]   --> src/game/board/square/piece.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LShape
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pawn`
[INFO] [stdout]   --> src/game/board/square/piece.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_pawn(colour: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bishop`
[INFO] [stdout]    --> src/game/board/square/piece.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_bishop(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_knight`
[INFO] [stdout]    --> src/game/board/square/piece.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn get_knight(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rook`
[INFO] [stdout]    --> src/game/board/square/piece.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_rook(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_rank`
[INFO] [stdout]   --> src/game/board/square.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn is_valid_rank(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_file`
[INFO] [stdout]   --> src/game/board/square.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn is_valid_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_piece`
[INFO] [stdout]   --> src/game/board/square.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn has_piece(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.22s
[INFO] running `Command { std: "docker" "inspect" "c3485493340882a33442121ba899f870d9c9e2d6685b12a461509a47c0efa021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3485493340882a33442121ba899f870d9c9e2d6685b12a461509a47c0efa021", kill_on_drop: false }`
[INFO] [stdout] c3485493340882a33442121ba899f870d9c9e2d6685b12a461509a47c0efa021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3082491fc1d4b263d15a1a1220857552a3fd4d41b7c1f7b7fc401587c7c4efc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3082491fc1d4b263d15a1a1220857552a3fd4d41b7c1f7b7fc401587c7c4efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut king: game::board::square::piece::Piece = game::board::square::piece::Piece::get_king(false);
[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/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut queen: game::board::square::piece::Piece = game::board::square::piece::Piece::get_queen(false);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]  --> src/game/player/clock.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     time: u128,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/game/player/clock.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     state: State 
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Started`
[INFO] [stdout]  --> src/game/player/clock.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Started
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/game/player/clock.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub async fn start(&mut self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]   --> src/game/player/clock.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub async fn stop(&mut self) {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colour`
[INFO] [stdout]  --> src/game/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     colour: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `score`
[INFO] [stdout]  --> src/game/player.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     score: u8
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pawn`
[INFO] [stdout]   --> src/game/board/square/piece.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bishop`
[INFO] [stdout]   --> src/game/board/square/piece.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Knight`
[INFO] [stdout]   --> src/game/board/square/piece.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Knight,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rook`
[INFO] [stdout]   --> src/game/board/square/piece.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LShape`
[INFO] [stdout]   --> src/game/board/square/piece.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LShape
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pawn`
[INFO] [stdout]   --> src/game/board/square/piece.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_pawn(colour: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bishop`
[INFO] [stdout]    --> src/game/board/square/piece.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_bishop(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_knight`
[INFO] [stdout]    --> src/game/board/square/piece.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn get_knight(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rook`
[INFO] [stdout]    --> src/game/board/square/piece.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_rook(colour: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_rank`
[INFO] [stdout]   --> src/game/board/square.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn is_valid_rank(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_file`
[INFO] [stdout]   --> src/game/board/square.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn is_valid_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_piece`
[INFO] [stdout]   --> src/game/board/square.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn has_piece(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b3082491fc1d4b263d15a1a1220857552a3fd4d41b7c1f7b7fc401587c7c4efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3082491fc1d4b263d15a1a1220857552a3fd4d41b7c1f7b7fc401587c7c4efc", kill_on_drop: false }`
[INFO] [stdout] b3082491fc1d4b263d15a1a1220857552a3fd4d41b7c1f7b7fc401587c7c4efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea3e17afdb7da4ccb5e1064a06443e5b15829acff3f78af63dceb357a6306378
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea3e17afdb7da4ccb5e1064a06443e5b15829acff3f78af63dceb357a6306378", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut king: game::board::square::piece::Piece = game::board::square::piece::Piece::get_king(false);
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut queen: game::board::square::piece::Piece = game::board::square::piece::Piece::get_queen(false);
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `time`
[INFO] [stderr]  --> src/game/player/clock.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     time: u128,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]  --> src/game/player/clock.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     state: State 
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Started`
[INFO] [stderr]  --> src/game/player/clock.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Started
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]   --> src/game/player/clock.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub async fn start(&mut self) {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stop`
[INFO] [stderr]   --> src/game/player/clock.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub async fn stop(&mut self) {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `colour`
[INFO] [stderr]  --> src/game/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     colour: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `score`
[INFO] [stderr]  --> src/game/player.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     score: u8
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pawn`
[INFO] [stderr]   --> src/game/board/square/piece.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Pawn,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bishop`
[INFO] [stderr]   --> src/game/board/square/piece.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Bishop,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Knight`
[INFO] [stderr]   --> src/game/board/square/piece.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Knight,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rook`
[INFO] [stderr]   --> src/game/board/square/piece.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Rook,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LShape`
[INFO] [stderr]   --> src/game/board/square/piece.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     LShape
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_pawn`
[INFO] [stderr]   --> src/game/board/square/piece.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn get_pawn(colour: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bishop`
[INFO] [stderr]    --> src/game/board/square/piece.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn get_bishop(colour: bool) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_knight`
[INFO] [stderr]    --> src/game/board/square/piece.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn get_knight(colour: bool) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_rook`
[INFO] [stderr]    --> src/game/board/square/piece.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get_rook(colour: bool) -> Self {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_valid_rank`
[INFO] [stderr]   --> src/game/board/square.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn is_valid_rank(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_valid_file`
[INFO] [stderr]   --> src/game/board/square.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn is_valid_file(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `has_piece`
[INFO] [stderr]   --> src/game/board/square.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn has_piece(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chessengine` (bin "chessengine" test) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chessengine-754e69933329e586)
[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" "ea3e17afdb7da4ccb5e1064a06443e5b15829acff3f78af63dceb357a6306378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3e17afdb7da4ccb5e1064a06443e5b15829acff3f78af63dceb357a6306378", kill_on_drop: false }`
[INFO] [stdout] ea3e17afdb7da4ccb5e1064a06443e5b15829acff3f78af63dceb357a6306378