[INFO] cloning repository https://github.com/samumartinf/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/samumartinf/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamumartinf%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamumartinf%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30be8625239d00bc4201984b8d107329b32cd473
[INFO] testing samumartinf/rust-chess against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamumartinf%2Frust-chess" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samumartinf/rust-chess on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samumartinf/rust-chess
[INFO] finished tweaking git repo https://github.com/samumartinf/rust-chess
[INFO] tweaked toml for git repo https://github.com/samumartinf/rust-chess written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/samumartinf/rust-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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f32906b1309b03a1a2a3de63208f4e5fa5915b1e62e8cc7de9158d07c5b13ac
[INFO] running `Command { std: "docker" "start" "-a" "3f32906b1309b03a1a2a3de63208f4e5fa5915b1e62e8cc7de9158d07c5b13ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f32906b1309b03a1a2a3de63208f4e5fa5915b1e62e8cc7de9158d07c5b13ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f32906b1309b03a1a2a3de63208f4e5fa5915b1e62e8cc7de9158d07c5b13ac", kill_on_drop: false }`
[INFO] [stdout] 3f32906b1309b03a1a2a3de63208f4e5fa5915b1e62e8cc7de9158d07c5b13ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 691fd51cede392b9a30e6760d5376248ec28b1a1908b8568db79b7445d78842f
[INFO] running `Command { std: "docker" "start" "-a" "691fd51cede392b9a30e6760d5376248ec28b1a1908b8568db79b7445d78842f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling color-spantrace v0.1.6
[INFO] [stderr]    Compiling color-eyre v0.5.11
[INFO] [stderr]    Compiling cherris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let row = position_helper::get_row(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let col = position_helper::get_col(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn knight_moves(self, position: u8, board: Board) -> Vec<u8> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/lib.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:357:43
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `possible_positions` is never read
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut possible_positions = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_string` is never read
[INFO] [stdout]    --> src/lib.rs:413:17
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let mut color_string = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `moves_done` is never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 16 |     white_turn: bool,
[INFO] [stdout] 17 |     moves_done: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game` is never read
[INFO] [stdout]    --> src/lib.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |     pub struct Engine {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 631 |         game: Game,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.68s
[INFO] running `Command { std: "docker" "inspect" "691fd51cede392b9a30e6760d5376248ec28b1a1908b8568db79b7445d78842f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691fd51cede392b9a30e6760d5376248ec28b1a1908b8568db79b7445d78842f", kill_on_drop: false }`
[INFO] [stdout] 691fd51cede392b9a30e6760d5376248ec28b1a1908b8568db79b7445d78842f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b92edacc86698cec7e39b580f692fd1d9e5ba634d97e00eb78d11dfc26c482
[INFO] running `Command { std: "docker" "start" "-a" "c5b92edacc86698cec7e39b580f692fd1d9e5ba634d97e00eb78d11dfc26c482", kill_on_drop: false }`
[INFO] [stderr]    Compiling cherris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let row = position_helper::get_row(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let col = position_helper::get_col(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn knight_moves(self, position: u8, board: Board) -> Vec<u8> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/lib.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:357:43
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `possible_positions` is never read
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut possible_positions = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_string` is never read
[INFO] [stdout]    --> src/lib.rs:413:17
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let mut color_string = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `moves_done` is never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 16 |     white_turn: bool,
[INFO] [stdout] 17 |     moves_done: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game` is never read
[INFO] [stdout]    --> src/lib.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |     pub struct Engine {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 631 |         game: Game,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let row = position_helper::get_row(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/lib.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let col = position_helper::get_col(position);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn knight_moves(self, position: u8, board: Board) -> Vec<u8> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/lib.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/lib.rs:357:43
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `possible_positions` is never read
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut possible_positions = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color_string` is never read
[INFO] [stdout]    --> src/lib.rs:413:17
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let mut color_string = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `moves_done` is never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 16 |     white_turn: bool,
[INFO] [stdout] 17 |     moves_done: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game` is never read
[INFO] [stdout]    --> src/lib.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |     pub struct Engine {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 631 |         game: Game,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "c5b92edacc86698cec7e39b580f692fd1d9e5ba634d97e00eb78d11dfc26c482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b92edacc86698cec7e39b580f692fd1d9e5ba634d97e00eb78d11dfc26c482", kill_on_drop: false }`
[INFO] [stdout] c5b92edacc86698cec7e39b580f692fd1d9e5ba634d97e00eb78d11dfc26c482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b618f3da2c547e44451a44a2bff021272f61b8c12a97341068786d29337f8e8
[INFO] running `Command { std: "docker" "start" "-a" "1b618f3da2c547e44451a44a2bff021272f61b8c12a97341068786d29337f8e8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/lib.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let row = position_helper::get_row(position);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/lib.rs:251:13
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let col = position_helper::get_col(position);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/lib.rs:314:41
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn knight_moves(self, position: u8, board: Board) -> Vec<u8> {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `position`
[INFO] [stderr]    --> src/lib.rs:357:29
[INFO] [stderr]     |
[INFO] [stderr] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stderr]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/lib.rs:357:43
[INFO] [stderr]     |
[INFO] [stderr] 357 |     fn is_move_valid(&self, position: u8, board: Board) -> bool {
[INFO] [stderr]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `possible_positions` is never read
[INFO] [stderr]    --> src/lib.rs:364:17
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let mut possible_positions = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `color_string` is never read
[INFO] [stderr]    --> src/lib.rs:413:17
[INFO] [stderr]     |
[INFO] [stderr] 413 |         let mut color_string = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field `moves_done` is never read
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Game {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 16 |     white_turn: bool,
[INFO] [stderr] 17 |     moves_done: Vec<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `game` is never read
[INFO] [stderr]    --> src/lib.rs:631:9
[INFO] [stderr]     |
[INFO] [stderr] 630 |     pub struct Engine {
[INFO] [stderr]     |                ------ field in this struct
[INFO] [stderr] 631 |         game: Game,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cherris` (lib) generated 9 warnings
[INFO] [stderr] warning: `cherris` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cherris-9860e5ff22b6fd22)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cherris-384561077fd2f888)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/piece_move_tests.rs (/opt/rustwide/target/debug/deps/piece_move_tests-80abfb168bb5ba62)
[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] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_index_to_letters ... ok
[INFO] [stdout] test test_bishop_moves_starting_board ... ok
[INFO] [stdout] test test_queen_moves_empty_board ... ok
[INFO] [stdout] test test_pawn_initial_move_emtpy_board ... ok
[INFO] [stdout] test test_knight_moves_empty_board ... ok
[INFO] [stdout] test test_king_moves_empty_board ... ok
[INFO] [stdout] test test_bishop_moves_empty_board ... ok
[INFO] [stdout] test test_queen_moves_starting_board ... ok
[INFO] [stdout] test test_rook_moves_starting_board ... ok
[INFO] [stdout] test test_validate_position_in_board ... ok
[INFO] [stdout] test test_letters_to_index ... ok
[INFO] [stdout] test test_state_pieces_parity ... ok
[INFO] [stdout] test test_rook_moves_empty_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cherris
[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" "1b618f3da2c547e44451a44a2bff021272f61b8c12a97341068786d29337f8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b618f3da2c547e44451a44a2bff021272f61b8c12a97341068786d29337f8e8", kill_on_drop: false }`
[INFO] [stdout] 1b618f3da2c547e44451a44a2bff021272f61b8c12a97341068786d29337f8e8