[INFO] fetching crate bitstackchess 0.1.1...
[INFO] testing bitstackchess-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate bitstackchess 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bitstackchess 0.1.1
[INFO] finished tweaking crates.io crate bitstackchess 0.1.1
[INFO] tweaked toml for crates.io crate bitstackchess 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitstackchess 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitstackchess 0.1.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d32b136c6d60763f62c9c4025023b9dd61b84c36dfd1c44e49b27b36f37ff58
[INFO] running `Command { std: "docker" "start" "-a" "3d32b136c6d60763f62c9c4025023b9dd61b84c36dfd1c44e49b27b36f37ff58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d32b136c6d60763f62c9c4025023b9dd61b84c36dfd1c44e49b27b36f37ff58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d32b136c6d60763f62c9c4025023b9dd61b84c36dfd1c44e49b27b36f37ff58", kill_on_drop: false }`
[INFO] [stdout] 3d32b136c6d60763f62c9c4025023b9dd61b84c36dfd1c44e49b27b36f37ff58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2635350bd0c4b76d9af7ed57b58b84d16727f52aa95054215834abb87ecc54
[INFO] running `Command { std: "docker" "start" "-a" "ca2635350bd0c4b76d9af7ed57b58b84d16727f52aa95054215834abb87ecc54", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstackchess v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::core::Move10`
[INFO] [stdout]  --> src/rules/checkmate.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::core::Move10;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]   --> src/rules/checkmate.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_in_check(mapping: &PieceMapping, occupied: Occupied, king_pid: u8) -> bool {
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planes`
[INFO] [stdout]    --> src/rules/checkmate.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         planes: &crate::core::MovePlanes,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_planes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ply`
[INFO] [stdout]    --> src/rules/checkmate.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         ply: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/rules/checkmate.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut temp_captured = captured_bits;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/game_core.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut captured_bits: u32 = 0;
[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: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/engine/game_core.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut temp_captured = saved_captured;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:176:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `captured_bits`
[INFO] [stdout]    --> src/engine/move_generator.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         captured_bits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ep_target`
[INFO] [stdout]    --> src/engine/move_generator.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         ep_target: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ep_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mapping`
[INFO] [stdout]   --> src/engine/evaluator.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         mapping: &PieceMapping,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ca2635350bd0c4b76d9af7ed57b58b84d16727f52aa95054215834abb87ecc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2635350bd0c4b76d9af7ed57b58b84d16727f52aa95054215834abb87ecc54", kill_on_drop: false }`
[INFO] [stdout] ca2635350bd0c4b76d9af7ed57b58b84d16727f52aa95054215834abb87ecc54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b126d266aea9f00958e616d2987828c0685dd9e76f5158ce05ffca4bb8f667
[INFO] running `Command { std: "docker" "start" "-a" "e1b126d266aea9f00958e616d2987828c0685dd9e76f5158ce05ffca4bb8f667", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::core::Move10`
[INFO] [stdout]  --> src/rules/checkmate.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::core::Move10;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]   --> src/rules/checkmate.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_in_check(mapping: &PieceMapping, occupied: Occupied, king_pid: u8) -> bool {
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planes`
[INFO] [stdout]    --> src/rules/checkmate.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         planes: &crate::core::MovePlanes,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_planes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ply`
[INFO] [stdout]    --> src/rules/checkmate.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         ply: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/rules/checkmate.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut temp_captured = captured_bits;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitstackchess v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/game_core.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut captured_bits: u32 = 0;
[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: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/engine/game_core.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut temp_captured = saved_captured;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:176:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `captured_bits`
[INFO] [stdout]    --> src/engine/move_generator.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         captured_bits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ep_target`
[INFO] [stdout]    --> src/engine/move_generator.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         ep_target: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ep_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mapping`
[INFO] [stdout]   --> src/engine/evaluator.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         mapping: &PieceMapping,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::Move10`
[INFO] [stdout]  --> src/rules/checkmate.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::core::Move10;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `encode_piece` and `encode_square`
[INFO] [stdout]    --> src/engine/game_core.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |     use crate::board::{init_chess_positions, encode_piece, encode_square};
[INFO] [stdout]     |                                              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]   --> src/rules/checkmate.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_in_check(mapping: &PieceMapping, occupied: Occupied, king_pid: u8) -> bool {
[INFO] [stdout]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planes`
[INFO] [stdout]    --> src/rules/checkmate.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         planes: &crate::core::MovePlanes,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_planes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ply`
[INFO] [stdout]    --> src/rules/checkmate.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         ply: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/rules/checkmate.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut temp_captured = captured_bits;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/rules/checkmate.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/game_core.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut captured_bits: u32 = 0;
[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: variable `temp_captured` is assigned to, but never used
[INFO] [stdout]    --> src/engine/game_core.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut temp_captured = saved_captured;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_temp_captured` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_captured` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:176:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |                         temp_ep = Some(new_ep);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         temp_ep = None;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp_ep` is never read
[INFO] [stdout]    --> src/engine/game_core.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     temp_ep = None;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `captured_bits`
[INFO] [stdout]    --> src/engine/move_generator.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         captured_bits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `occupied`
[INFO] [stdout]    --> src/engine/move_generator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         occupied: Occupied,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ep_target`
[INFO] [stdout]    --> src/engine/move_generator.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         ep_target: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ep_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mapping`
[INFO] [stdout]   --> src/engine/evaluator.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         mapping: &PieceMapping,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e1b126d266aea9f00958e616d2987828c0685dd9e76f5158ce05ffca4bb8f667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b126d266aea9f00958e616d2987828c0685dd9e76f5158ce05ffca4bb8f667", kill_on_drop: false }`
[INFO] [stdout] e1b126d266aea9f00958e616d2987828c0685dd9e76f5158ce05ffca4bb8f667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 482d0350927501da6b4e0fa22b92ef77e17736e974afcc4c7bff8678532b7795
[INFO] running `Command { std: "docker" "start" "-a" "482d0350927501da6b4e0fa22b92ef77e17736e974afcc4c7bff8678532b7795", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::core::Move10`
[INFO] [stderr]  --> src/rules/checkmate.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::core::Move10;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `occupied`
[INFO] [stderr]   --> src/rules/checkmate.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn is_in_check(mapping: &PieceMapping, occupied: Occupied, king_pid: u8) -> bool {
[INFO] [stderr]    |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `planes`
[INFO] [stderr]    --> src/rules/checkmate.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         planes: &crate::core::MovePlanes,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_planes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ply`
[INFO] [stderr]    --> src/rules/checkmate.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         ply: usize,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ply`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `temp_captured` is assigned to, but never used
[INFO] [stderr]    --> src/rules/checkmate.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let mut temp_captured = captured_bits;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_temp_captured` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_captured` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:208:37
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_captured` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:229:25
[INFO] [stderr]     |
[INFO] [stderr] 229 |                         temp_ep = Some(new_ep);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:231:25
[INFO] [stderr]     |
[INFO] [stderr] 231 |                         temp_ep = None;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:194:21
[INFO] [stderr]     |
[INFO] [stderr] 194 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:191:21
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/rules/checkmate.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/game_core.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut captured_bits: u32 = 0;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[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: variable `temp_captured` is assigned to, but never used
[INFO] [stderr]    --> src/engine/game_core.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut temp_captured = saved_captured;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_temp_captured` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_captured` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:155:37
[INFO] [stderr]     |
[INFO] [stderr] 155 | ...                   temp_captured |= 1u32 << (opp as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_captured` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     temp_captured |= 1u32 << (opp as u32);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:176:25
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         temp_ep = Some(new_ep);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:178:25
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         temp_ep = None;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_ep` is never read
[INFO] [stderr]    --> src/engine/game_core.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     temp_ep = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `captured_bits`
[INFO] [stderr]    --> src/engine/move_generator.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         captured_bits: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured_bits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `occupied`
[INFO] [stderr]    --> src/engine/move_generator.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         occupied: Occupied,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `occupied`
[INFO] [stderr]    --> src/engine/move_generator.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         occupied: Occupied,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `occupied`
[INFO] [stderr]    --> src/engine/move_generator.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         occupied: Occupied,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_occupied`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ep_target`
[INFO] [stderr]    --> src/engine/move_generator.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         ep_target: Option<u8>,
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ep_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mapping`
[INFO] [stderr]   --> src/engine/evaluator.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         mapping: &PieceMapping,
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mapping`
[INFO] [stderr] 
[INFO] [stderr] warning: `bitstackchess` (lib) generated 31 warnings (run `cargo fix --lib -p bitstackchess` to apply 11 suggestions)
[INFO] [stderr] warning: unused imports: `encode_piece` and `encode_square`
[INFO] [stderr]    --> src/engine/game_core.rs:371:46
[INFO] [stderr]     |
[INFO] [stderr] 371 |     use crate::board::{init_chess_positions, encode_piece, encode_square};
[INFO] [stderr]     |                                              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bitstackchess` (lib test) generated 32 warnings (31 duplicates) (run `cargo fix --lib -p bitstackchess --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitstackchess-8f12f6ffd867bb7e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test board::piece_mapping::tests::mapping_basic ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bitstackchess-be406ba8b26fadcf)
[INFO] [stdout] test board::encoding::tests::test_init_chess_positions ... ok
[INFO] [stdout] test board::encoding::tests::test_encode_piece_non_pawn ... ok
[INFO] [stdout] test board::encoding::tests::test_encode_piece_pawn ... ok
[INFO] [stdout] test engine::move_generator::tests::knight_jumps_and_blocking ... ok
[INFO] [stdout] test engine::move_generator::tests::simple_pawn_push_capture ... ok
[INFO] [stdout] test engine::move_generator::tests::sliding_rook_moves ... ok
[INFO] [stdout] test core::move_planes::tests::write_read_planes ... ok
[INFO] [stdout] test core::move10::tests::roundtrip_move10 ... ok
[INFO] [stdout] test engine::game_core::tests::starting_position_correct ... ok
[INFO] [stdout] test engine::transposition_table::tests::collision_overwrite_based_on_depth ... ok
[INFO] [stdout] test engine::transposition_table::tests::basic_store_and_lookup ... ok
[INFO] [stdout] test engine::move_generator::tests::castling_generation ... ok
[INFO] [stdout] test board::encoding::tests::test_encode_square_basics ... ok
[INFO] [stdout] test engine::zobrist::tests::ep_target_changes_hash ... ok
[INFO] [stdout] test engine::zobrist::tests::different_side_different_hash ... ok
[INFO] [stdout] test engine::zobrist::tests::same_position_same_hash ... ok
[INFO] [stdout] test rules::castling::tests::black_queenside_castle_check ... ok
[INFO] [stdout] test rules::castling::tests::white_kingside_castle_check ... ok
[INFO] [stdout] test rules::en_passant::tests::compute_and_do_ep_capture ... ok
[INFO] [stdout] test rules::promotion::tests::promotion_removes_pawn_and_places_queen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 bitstackchess
[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" "482d0350927501da6b4e0fa22b92ef77e17736e974afcc4c7bff8678532b7795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482d0350927501da6b4e0fa22b92ef77e17736e974afcc4c7bff8678532b7795", kill_on_drop: false }`
[INFO] [stdout] 482d0350927501da6b4e0fa22b92ef77e17736e974afcc4c7bff8678532b7795
