[INFO] cloning repository https://github.com/Aditya-1304/chess_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aditya-1304/chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAditya-1304%2Fchess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAditya-1304%2Fchess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33335626b3bb357d49d9df937ca29351284311f6
[INFO] testing Aditya-1304/chess_engine against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAditya-1304%2Fchess_engine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aditya-1304/chess_engine
[INFO] finished tweaking git repo https://github.com/Aditya-1304/chess_engine
[INFO] tweaked toml for git repo https://github.com/Aditya-1304/chess_engine written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aditya-1304/chess_engine on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aditya-1304/chess_engine 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyrrhic-rs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e35bc32dc3800dc65dfbcc5659f1dfde81d47681843ffb8c623e28cbee2683
[INFO] running `Command { std: "docker" "start" "-a" "a7e35bc32dc3800dc65dfbcc5659f1dfde81d47681843ffb8c623e28cbee2683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e35bc32dc3800dc65dfbcc5659f1dfde81d47681843ffb8c623e28cbee2683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e35bc32dc3800dc65dfbcc5659f1dfde81d47681843ffb8c623e28cbee2683", kill_on_drop: false }`
[INFO] [stdout] a7e35bc32dc3800dc65dfbcc5659f1dfde81d47681843ffb8c623e28cbee2683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19c7c0a614500f6b0fdcc2da71aa51936062ccd3f3ff9d8fbf0acb1c360f44b2
[INFO] running `Command { std: "docker" "start" "-a" "19c7c0a614500f6b0fdcc2da71aa51936062ccd3f3ff9d8fbf0acb1c360f44b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling pyrrhic-rs v0.2.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `undo`
[INFO] [stdout]    --> src/board.rs:707:17
[INFO] [stdout]     |
[INFO] [stdout] 707 |             let undo = self.make_move(m);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_undo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alpha` is never read
[INFO] [stdout]    --> src/search.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mut alpha = -INF;
[INFO] [stdout]     |                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 233 |                 alpha = -INF;
[INFO] [stdout]     |                 ------------ `alpha` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `beta` is never read
[INFO] [stdout]    --> src/search.rs:209:24
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut beta = INF;
[INFO] [stdout]     |                        ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 234 |                 beta = INF;
[INFO] [stdout]     |                 ---------- `beta` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> src/nnue.rs:905:9
[INFO] [stdout]     |
[INFO] [stdout] 905 |     let net = match NETWORK.get() {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b_features` is assigned to, but never used
[INFO] [stdout]    --> src/nnue.rs:921:9
[INFO] [stdout]     |
[INFO] [stdout] 921 |     let mut b_features = 0usize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b_features` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b_features` is never read
[INFO] [stdout]    --> src/nnue.rs:929:13
[INFO] [stdout]     |
[INFO] [stdout] 929 |             b_features += count;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `learn` are never read
[INFO] [stdout]   --> src/book.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Entry {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 11 |   key: u64,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   learn: u32,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "19c7c0a614500f6b0fdcc2da71aa51936062ccd3f3ff9d8fbf0acb1c360f44b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c7c0a614500f6b0fdcc2da71aa51936062ccd3f3ff9d8fbf0acb1c360f44b2", kill_on_drop: false }`
[INFO] [stdout] 19c7c0a614500f6b0fdcc2da71aa51936062ccd3f3ff9d8fbf0acb1c360f44b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7892c771e23df3257775aee792f630b9228914e08d16bc4a55f64a82a65067
[INFO] running `Command { std: "docker" "start" "-a" "3c7892c771e23df3257775aee792f630b9228914e08d16bc4a55f64a82a65067", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `undo`
[INFO] [stdout]    --> src/board.rs:707:17
[INFO] [stdout]     |
[INFO] [stdout] 707 |             let undo = self.make_move(m);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_undo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alpha` is never read
[INFO] [stdout]    --> src/search.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mut alpha = -INF;
[INFO] [stdout]     |                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 233 |                 alpha = -INF;
[INFO] [stdout]     |                 ------------ `alpha` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `beta` is never read
[INFO] [stdout]    --> src/search.rs:209:24
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut beta = INF;
[INFO] [stdout]     |                        ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 234 |                 beta = INF;
[INFO] [stdout]     |                 ---------- `beta` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> src/nnue.rs:905:9
[INFO] [stdout]     |
[INFO] [stdout] 905 |     let net = match NETWORK.get() {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b_features` is assigned to, but never used
[INFO] [stdout]    --> src/nnue.rs:921:9
[INFO] [stdout]     |
[INFO] [stdout] 921 |     let mut b_features = 0usize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b_features` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b_features` is never read
[INFO] [stdout]    --> src/nnue.rs:929:13
[INFO] [stdout]     |
[INFO] [stdout] 929 |             b_features += count;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `learn` are never read
[INFO] [stdout]   --> src/book.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Entry {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 11 |   key: u64,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   learn: u32,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `undo`
[INFO] [stdout]    --> src/board.rs:707:17
[INFO] [stdout]     |
[INFO] [stdout] 707 |             let undo = self.make_move(m);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_undo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alpha` is never read
[INFO] [stdout]    --> src/search.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mut alpha = -INF;
[INFO] [stdout]     |                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 233 |                 alpha = -INF;
[INFO] [stdout]     |                 ------------ `alpha` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `beta` is never read
[INFO] [stdout]    --> src/search.rs:209:24
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut beta = INF;
[INFO] [stdout]     |                        ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 234 |                 beta = INF;
[INFO] [stdout]     |                 ---------- `beta` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> src/nnue.rs:905:9
[INFO] [stdout]     |
[INFO] [stdout] 905 |     let net = match NETWORK.get() {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b_features` is assigned to, but never used
[INFO] [stdout]    --> src/nnue.rs:921:9
[INFO] [stdout]     |
[INFO] [stdout] 921 |     let mut b_features = 0usize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b_features` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b_features` is never read
[INFO] [stdout]    --> src/nnue.rs:929:13
[INFO] [stdout]     |
[INFO] [stdout] 929 |             b_features += count;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `learn` are never read
[INFO] [stdout]   --> src/book.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Entry {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 11 |   key: u64,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   learn: u32,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "3c7892c771e23df3257775aee792f630b9228914e08d16bc4a55f64a82a65067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7892c771e23df3257775aee792f630b9228914e08d16bc4a55f64a82a65067", kill_on_drop: false }`
[INFO] [stdout] 3c7892c771e23df3257775aee792f630b9228914e08d16bc4a55f64a82a65067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e3c16360023078d2a634fe3e800da5b4c2ab961cc3691e9412b4f4b17a11cc3
[INFO] running `Command { std: "docker" "start" "-a" "6e3c16360023078d2a634fe3e800da5b4c2ab961cc3691e9412b4f4b17a11cc3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `undo`
[INFO] [stderr]    --> src/board.rs:707:17
[INFO] [stderr]     |
[INFO] [stderr] 707 |             let undo = self.make_move(m);
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_undo`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `alpha` is never read
[INFO] [stderr]    --> src/search.rs:208:25
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut alpha = -INF;
[INFO] [stderr]     |                         ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 233 |                 alpha = -INF;
[INFO] [stderr]     |                 ------------ `alpha` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `beta` is never read
[INFO] [stderr]    --> src/search.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let mut beta = INF;
[INFO] [stderr]     |                        ^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 234 |                 beta = INF;
[INFO] [stderr]     |                 ---------- `beta` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `net`
[INFO] [stderr]    --> src/nnue.rs:905:9
[INFO] [stderr]     |
[INFO] [stderr] 905 |     let net = match NETWORK.get() {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `b_features` is assigned to, but never used
[INFO] [stderr]    --> src/nnue.rs:921:9
[INFO] [stderr]     |
[INFO] [stderr] 921 |     let mut b_features = 0usize;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_b_features` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b_features` is never read
[INFO] [stderr]    --> src/nnue.rs:929:13
[INFO] [stderr]     |
[INFO] [stderr] 929 |             b_features += count;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key` and `learn` are never read
[INFO] [stderr]   --> src/book.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Entry {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 11 |   key: u64,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |   learn: u32,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_engine` (lib) generated 7 warnings (run `cargo fix --lib -p chess_engine` to apply 2 suggestions)
[INFO] [stderr] warning: `chess_engine` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess_engine-757f65cb4917676e)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test board::tests::make_unmake_move ... ok
[INFO] [stdout] test board::tests::fen_round_trip ... ok
[INFO] [stdout] test eval::tests::test_eval_startpos ... ok
[INFO] [stdout] test eval::tests::test_eval_symmetry ... ok
[INFO] [stdout] test nnue::tests::test_halfkp_index_alias ... ok
[INFO] [stdout] test nnue::tests::test_orient ... ok
[INFO] [stdout] test nnue::tests::test_make_index_bounds ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/chess_engine-757f65cb4917676e` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "6e3c16360023078d2a634fe3e800da5b4c2ab961cc3691e9412b4f4b17a11cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3c16360023078d2a634fe3e800da5b4c2ab961cc3691e9412b4f4b17a11cc3", kill_on_drop: false }`
[INFO] [stdout] 6e3c16360023078d2a634fe3e800da5b4c2ab961cc3691e9412b4f4b17a11cc3
