[INFO] cloning repository https://github.com/jrdnrs/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/jrdnrs/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc4bff3a7a49745f2f0d54ef2fcbdbdb735c8031
[INFO] checking jrdnrs/chess-engine against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fchess-engine" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrdnrs/chess-engine on toolchain 9053a8ad740a9e131b53ea98acecf68cf79134fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrdnrs/chess-engine
[INFO] finished tweaking git repo https://github.com/jrdnrs/chess-engine
[INFO] tweaked toml for git repo https://github.com/jrdnrs/chess-engine written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jrdnrs/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" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7c77affc33366028e6e16b741f0cbe0daa12b70f5cdfee25a23f01e843e008
[INFO] running `Command { std: "docker" "start" "-a" "ad7c77affc33366028e6e16b741f0cbe0daa12b70f5cdfee25a23f01e843e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7c77affc33366028e6e16b741f0cbe0daa12b70f5cdfee25a23f01e843e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7c77affc33366028e6e16b741f0cbe0daa12b70f5cdfee25a23f01e843e008", kill_on_drop: false }`
[INFO] [stdout] ad7c77affc33366028e6e16b741f0cbe0daa12b70f5cdfee25a23f01e843e008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e692ff8af2e06e2acaf94314d33bbaadf633a4de5712a8ac9f7fae9e84769c
[INFO] running `Command { std: "docker" "start" "-a" "23e692ff8af2e06e2acaf94314d33bbaadf633a4de5712a8ac9f7fae9e84769c", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num`
[INFO] [stdout]  --> src/bitboard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bitboard::print_bitboard`
[INFO] [stdout]   --> src/bits.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use crate::bitboard::print_bitboard;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bits.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sort::selection_sort_once`
[INFO] [stdout]  --> src/engine.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bitboard::*, bits::*, board::*, moves::*, pregen, sort::selection_sort_once};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/pregen.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num`
[INFO] [stdout]  --> src/bitboard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sort::selection_sort_once`
[INFO] [stdout]  --> src/engine.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bitboard::*, bits::*, board::*, moves::*, pregen, sort::selection_sort_once};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mov`
[INFO] [stdout]    --> src/pregen.rs:401:54
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn update_zobrist_hash(&self, mut hash: u64, mov: &Move) -> u64 {
[INFO] [stdout]     |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_mov`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pregen.rs:401:39
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn update_zobrist_hash(&self, mut hash: u64, mov: &Move) -> u64 {
[INFO] [stdout]     |                                       ----^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H1` is never used
[INFO] [stdout]  --> src/bitboard.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const H1: u8 = 0;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G1` is never used
[INFO] [stdout]  --> src/bitboard.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const G1: u8 = 1;
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F1` is never used
[INFO] [stdout]  --> src/bitboard.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const F1: u8 = 2;
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E1` is never used
[INFO] [stdout]  --> src/bitboard.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const E1: u8 = 3;
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D1` is never used
[INFO] [stdout]  --> src/bitboard.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const D1: u8 = 4;
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C1` is never used
[INFO] [stdout]   --> src/bitboard.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const C1: u8 = 5;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B1` is never used
[INFO] [stdout]   --> src/bitboard.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const B1: u8 = 6;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A1` is never used
[INFO] [stdout]   --> src/bitboard.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const A1: u8 = 7;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H2` is never used
[INFO] [stdout]   --> src/bitboard.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const H2: u8 = 8;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G2` is never used
[INFO] [stdout]   --> src/bitboard.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const G2: u8 = 9;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F2` is never used
[INFO] [stdout]   --> src/bitboard.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const F2: u8 = 10;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E2` is never used
[INFO] [stdout]   --> src/bitboard.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const E2: u8 = 11;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D2` is never used
[INFO] [stdout]   --> src/bitboard.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const D2: u8 = 12;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C2` is never used
[INFO] [stdout]   --> src/bitboard.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const C2: u8 = 13;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B2` is never used
[INFO] [stdout]   --> src/bitboard.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const B2: u8 = 14;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A2` is never used
[INFO] [stdout]   --> src/bitboard.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const A2: u8 = 15;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H3` is never used
[INFO] [stdout]   --> src/bitboard.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const H3: u8 = 16;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G3` is never used
[INFO] [stdout]   --> src/bitboard.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const G3: u8 = 17;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F3` is never used
[INFO] [stdout]   --> src/bitboard.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const F3: u8 = 18;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E3` is never used
[INFO] [stdout]   --> src/bitboard.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const E3: u8 = 19;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D3` is never used
[INFO] [stdout]   --> src/bitboard.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const D3: u8 = 20;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C3` is never used
[INFO] [stdout]   --> src/bitboard.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const C3: u8 = 21;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B3` is never used
[INFO] [stdout]   --> src/bitboard.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const B3: u8 = 22;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A3` is never used
[INFO] [stdout]   --> src/bitboard.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const A3: u8 = 23;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H4` is never used
[INFO] [stdout]   --> src/bitboard.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const H4: u8 = 24;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G4` is never used
[INFO] [stdout]   --> src/bitboard.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const G4: u8 = 25;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F4` is never used
[INFO] [stdout]   --> src/bitboard.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const F4: u8 = 26;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E4` is never used
[INFO] [stdout]   --> src/bitboard.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub const E4: u8 = 27;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D4` is never used
[INFO] [stdout]   --> src/bitboard.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const D4: u8 = 28;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C4` is never used
[INFO] [stdout]   --> src/bitboard.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const C4: u8 = 29;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B4` is never used
[INFO] [stdout]   --> src/bitboard.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const B4: u8 = 30;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A4` is never used
[INFO] [stdout]   --> src/bitboard.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const A4: u8 = 31;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H5` is never used
[INFO] [stdout]   --> src/bitboard.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const H5: u8 = 32;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G5` is never used
[INFO] [stdout]   --> src/bitboard.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub const G5: u8 = 33;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F5` is never used
[INFO] [stdout]   --> src/bitboard.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub const F5: u8 = 34;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E5` is never used
[INFO] [stdout]   --> src/bitboard.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub const E5: u8 = 35;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D5` is never used
[INFO] [stdout]   --> src/bitboard.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const D5: u8 = 36;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C5` is never used
[INFO] [stdout]   --> src/bitboard.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const C5: u8 = 37;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B5` is never used
[INFO] [stdout]   --> src/bitboard.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const B5: u8 = 38;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A5` is never used
[INFO] [stdout]   --> src/bitboard.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const A5: u8 = 39;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H6` is never used
[INFO] [stdout]   --> src/bitboard.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const H6: u8 = 40;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `G6` is never used
[INFO] [stdout]   --> src/bitboard.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const G6: u8 = 41;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F6` is never used
[INFO] [stdout]   --> src/bitboard.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub const F6: u8 = 42;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `E6` is never used
[INFO] [stdout]   --> src/bitboard.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const E6: u8 = 43;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D6` is never used
[INFO] [stdout]   --> src/bitboard.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const D6: u8 = 44;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C6` is never used
[INFO] [stdout]   --> src/bitboard.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const C6: u8 = 45;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B6` is never used
[INFO] [stdout]   --> src/bitboard.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const B6: u8 = 46;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A6` is never used
[INFO] [stdout]   --> src/bitboard.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const A6: u8 = 47;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H7` is never used
[INFO] [stdout]   --> src/bitboard.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub const H7: u8 = 48;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mov`
[INFO] [stdout]    --> src/pregen.rs:401:54
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn update_zobrist_hash(&self, mut hash: u64, mov: &Move) -> u64 {
[INFO] [stdout]     |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_mov`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess-engine` (lib); 56 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9053a8ad740a9e131b53ea98acecf68cf79134fe/bin/rustc --crate-name chess_engine --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type cdylib --crate-type rlib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=d05ec43735264820 -C extra-filename=-c2c6ef192e588764 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chess-engine` (lib test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9053a8ad740a9e131b53ea98acecf68cf79134fe/bin/rustc --crate-name chess_engine --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=35bca9b0ea500973 -C extra-filename=-9d897ad8a67bb7b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "23e692ff8af2e06e2acaf94314d33bbaadf633a4de5712a8ac9f7fae9e84769c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e692ff8af2e06e2acaf94314d33bbaadf633a4de5712a8ac9f7fae9e84769c", kill_on_drop: false }`
[INFO] [stdout] 23e692ff8af2e06e2acaf94314d33bbaadf633a4de5712a8ac9f7fae9e84769c