[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 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAditya-1304%2Fchess_engine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aditya-1304/chess_engine on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.9.2
[INFO] [stderr]   Downloaded rand_core v0.9.3
[INFO] [stderr]   Downloaded pyrrhic-rs v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.42
[INFO] [stderr]   Downloaded proc-macro2 v1.0.103
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.22
[INFO] [stderr]   Downloaded memmap2 v0.9.9
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded syn v2.0.110
[INFO] [stderr]   Downloaded libc v0.2.177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679
[INFO] running `Command { std: "docker" "start" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling pyrrhic-rs v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[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 6.31s
[INFO] running `Command { std: "docker" "inspect" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[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] [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 1.12s
[INFO] running `Command { std: "docker" "inspect" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", 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 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess_engine-d089768b02a3b1e7)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'board::tests::perft_startpos' (400) panicked at src/movegen.rs:109:9:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x61bee964e5c8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x61bee964e5c8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x61bee964e5c8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x61bee964e5c8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x61bee966255a - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x61bee966255a - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stderr]    6:     0x61bee9653932 - std[10d71ac2c42b111e]::io::default_write_fmt::<std[10d71ac2c42b111e]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stderr]    7:     0x61bee9653932 - <std[10d71ac2c42b111e]::sys::stdio::unix::Stderr as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]    8:     0x61bee962d786 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x61bee962d786 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x61bee9646ae1 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x61bee95e1dfc - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stderr]   12:     0x61bee95e1dfc - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stderr]   13:     0x61bee9646cd2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stderr]   14:     0x61bee9646cd2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x61bee962d874 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x61bee9622a49 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x61bee962e55d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x61bee9662b0d - core[8fb95b77d25ab6c8]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x61bee9662b0d - core[8fb95b77d25ab6c8]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/intrinsics/mod.rs:2450:9
[INFO] [stderr]   20:     0x61bee9662c57 - core[8fb95b77d25ab6c8]::panicking::panic_null_pointer_dereference
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:302:5
[INFO] [stderr]   21:     0x61bee95c1635 - chess_engine[6a4851e6dcc08ff9]::movegen::get_rook_attacks
[INFO] [stderr]                                at /opt/rustwide/workdir/src/movegen.rs:109:9
[INFO] [stderr]   22:     0x61bee95c1635 - chess_engine[6a4851e6dcc08ff9]::movegen::is_square_attacked
[INFO] [stderr]                                at /opt/rustwide/workdir/src/movegen.rs:151:13
[INFO] [stderr]   23:     0x61bee95c1635 - chess_engine[6a4851e6dcc08ff9]::movegen::generate_king_moves
[INFO] [stderr]                                at /opt/rustwide/workdir/src/movegen.rs:378:6
[INFO] [stderr]   24:     0x61bee95c598b - chess_engine[6a4851e6dcc08ff9]::movegen::generate_pseudo_legal_moves
[INFO] [stderr]                                at /opt/rustwide/workdir/src/movegen.rs:164:5
[INFO] [stderr]   25:     0x61bee95d0ab3 - <chess_engine[6a4851e6dcc08ff9]::board::Board>::generate_pseudo_legal_moves
[INFO] [stderr]                                at /opt/rustwide/workdir/src/board.rs:690:9
[INFO] [stderr]   26:     0x61bee95d0b08 - <chess_engine[6a4851e6dcc08ff9]::board::Board>::perft
[INFO] [stderr]                                at /opt/rustwide/workdir/src/board.rs:704:14
[INFO] [stderr]   27:     0x61bee95bb2ad - chess_engine[6a4851e6dcc08ff9]::board::tests::perft_startpos
[INFO] [stderr]                                at /opt/rustwide/workdir/src/board.rs:923:26
[INFO] [stderr]   28:     0x61bee95b7d77 - chess_engine[6a4851e6dcc08ff9]::board::tests::perft_startpos::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/board.rs:919:24
[INFO] [stderr]   29:     0x61bee95beaa6 - <chess_engine[6a4851e6dcc08ff9]::board::tests::perft_startpos::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   30:     0x61bee95d4edb - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x61bee95d4edb - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stderr]   32:     0x61bee95e2755 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stderr]   33:     0x61bee95e2755 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   34:     0x61bee95e2755 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stderr]   35:     0x61bee95e2755 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stderr]   36:     0x61bee95e2755 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x61bee95e2755 - test[213991da798b1c03]::run_test_in_process
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stderr]   38:     0x61bee95e2755 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stderr]   39:     0x61bee95dc064 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stderr]   40:     0x61bee95dc064 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   41:     0x61bee95e57d2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stderr]   42:     0x61bee95e57d2 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   43:     0x61bee95e57d2 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stderr]   44:     0x61bee95e57d2 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stderr]   45:     0x61bee95e57d2 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stderr]   46:     0x61bee95e57d2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stderr]   47:     0x61bee95e57d2 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   48:     0x61bee964df2f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stderr]   49:     0x61bee964df2f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   50:     0x7d33d317faa4 - <unknown>
[INFO] [stderr]   51:     0x7d33d320ca64 - clone
[INFO] [stderr]   52:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[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-d089768b02a3b1e7` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679", kill_on_drop: false }`
[INFO] [stdout] b4ab26a4c0c33e2d0036e0bbca1ee80aede3d95609e6a786b98888e5259ee679
