[INFO] cloning repository https://github.com/DmitryLeshev/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitryLeshev/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLeshev%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLeshev%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50eec7ed64675a403c62f2f7a5666e2acaec3364
[INFO] checking DmitryLeshev/rust-chess against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLeshev%2Frust-chess" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DmitryLeshev/rust-chess on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DmitryLeshev/rust-chess
[INFO] finished tweaking git repo https://github.com/DmitryLeshev/rust-chess
[INFO] tweaked toml for git repo https://github.com/DmitryLeshev/rust-chess written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/DmitryLeshev/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6095dab7ab66661d09569b7e37c730e1f68dda62889b2738f74d9c9a51837c81
[INFO] running `Command { std: "docker" "start" "-a" "6095dab7ab66661d09569b7e37c730e1f68dda62889b2738f74d9c9a51837c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6095dab7ab66661d09569b7e37c730e1f68dda62889b2738f74d9c9a51837c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6095dab7ab66661d09569b7e37c730e1f68dda62889b2738f74d9c9a51837c81", kill_on_drop: false }`
[INFO] [stdout] 6095dab7ab66661d09569b7e37c730e1f68dda62889b2738f74d9c9a51837c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267ab4c5a4564dc1670d945f1ef29e77b2379446b40963f69ab83d67565d21fd
[INFO] running `Command { std: "docker" "start" "-a" "267ab4c5a4564dc1670d945f1ef29e77b2379446b40963f69ab83d67565d21fd", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HORIZONTAL`
[INFO] [stdout]  --> src/figure.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{board::Board, cell::Cell, HORIZONTAL};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FigureColor`, `FigureName`, `Figure`
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use figure::{Figure, FigureColor, FigureName};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HORIZONTAL`
[INFO] [stdout]  --> src/figure.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{board::Board, cell::Cell, HORIZONTAL};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `position::Position`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use position::Position;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FigureColor`, `FigureName`, `Figure`, `position::Position`
[INFO] [stdout]    --> src/figure.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |         figure::{Figure, FigureColor, FigureName},
[INFO] [stdout]     |                  ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 167 |         position::Position,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FigureColor`, `FigureName`, `Figure`
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use figure::{Figure, FigureColor, FigureName};
[INFO] [stdout]    |              ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `position::Position`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use position::Position;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white_f_moves`
[INFO] [stdout]   --> src/main.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if let Some(white_f_moves) = &white_f.moves {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_white_f_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/figure.rs:70:42
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let Position { x, y, name } = &self.position;
[INFO] [stdout]    |                                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white_f_moves`
[INFO] [stdout]   --> src/main.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if let Some(white_f_moves) = &white_f.moves {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_white_f_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/figure.rs:70:42
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let Position { x, y, name } = &self.position;
[INFO] [stdout]    |                                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]    --> src/figure.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn kill(self, figure: &mut Figure) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]    --> src/figure.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn kill(self, figure: &mut Figure) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `die`
[INFO] [stdout]    --> src/figure.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn die(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `die`
[INFO] [stdout]    --> src/figure.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn die(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Color`
[INFO] [stdout]  --> src/game.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Color`
[INFO] [stdout]  --> src/game.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Player`
[INFO] [stdout]  --> src/game.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Player {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Player`
[INFO] [stdout]  --> src/game.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Player {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_x`
[INFO] [stdout]  --> src/playground.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     min_x: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_x`
[INFO] [stdout]  --> src/playground.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     min_x: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_y`
[INFO] [stdout]  --> src/playground.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     min_y: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_y`
[INFO] [stdout]  --> src/playground.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     min_y: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_x`
[INFO] [stdout]  --> src/playground.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     max_x: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_x`
[INFO] [stdout]  --> src/playground.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     max_x: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_y`
[INFO] [stdout]  --> src/playground.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     max_y: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_y`
[INFO] [stdout]  --> src/playground.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     max_y: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/playground.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/playground.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "267ab4c5a4564dc1670d945f1ef29e77b2379446b40963f69ab83d67565d21fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267ab4c5a4564dc1670d945f1ef29e77b2379446b40963f69ab83d67565d21fd", kill_on_drop: false }`
[INFO] [stdout] 267ab4c5a4564dc1670d945f1ef29e77b2379446b40963f69ab83d67565d21fd