[INFO] cloning repository https://github.com/samuelburger27/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/samuelburger27/chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelburger27%2Fchess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelburger27%2Fchess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3064dfe9748c03a17e0abd3da8efad2c3c03890c
[INFO] checking samuelburger27/chess_engine against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelburger27%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/samuelburger27/chess_engine
[INFO] finished tweaking git repo https://github.com/samuelburger27/chess_engine
[INFO] tweaked toml for git repo https://github.com/samuelburger27/chess_engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samuelburger27/chess_engine on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samuelburger27/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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 662c408f041e8fd2922bc93ef78a9c9068a9ab4e8d5cce9ddaf686a31265efdc
[INFO] running `Command { std: "docker" "start" "-a" "662c408f041e8fd2922bc93ef78a9c9068a9ab4e8d5cce9ddaf686a31265efdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "662c408f041e8fd2922bc93ef78a9c9068a9ab4e8d5cce9ddaf686a31265efdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662c408f041e8fd2922bc93ef78a9c9068a9ab4e8d5cce9ddaf686a31265efdc", kill_on_drop: false }`
[INFO] [stdout] 662c408f041e8fd2922bc93ef78a9c9068a9ab4e8d5cce9ddaf686a31265efdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4ed5223ee42f20cedfdfe7f17730b7d3ff8a94d6cd9f493e0d8f4425fd6f02a
[INFO] running `Command { std: "docker" "start" "-a" "a4ed5223ee42f20cedfdfe7f17730b7d3ff8a94d6cd9f493e0d8f4425fd6f02a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Piece` and `Turn`
[INFO] [stdout]  --> src/board_representation/zobrist.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::board_representation::{board::{Board, Turn, PLAYER_COUNT, WHITE}, piece::{Piece, PIECE_COUNT}, position::Position};
[INFO] [stdout]   |                                                  ^^^^                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Piece` and `Turn`
[INFO] [stdout]  --> src/board_representation/zobrist.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::board_representation::{board::{Board, Turn, PLAYER_COUNT, WHITE}, piece::{Piece, PIECE_COUNT}, position::Position};
[INFO] [stdout]   |                                                  ^^^^                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_game_state` is never used
[INFO] [stdout]    --> src/board_representation/make_move.rs:282:19
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub(crate) fn update_game_state(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_game_state` is never used
[INFO] [stdout]    --> src/board_representation/make_move.rs:282:19
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub(crate) fn update_game_state(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "a4ed5223ee42f20cedfdfe7f17730b7d3ff8a94d6cd9f493e0d8f4425fd6f02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ed5223ee42f20cedfdfe7f17730b7d3ff8a94d6cd9f493e0d8f4425fd6f02a", kill_on_drop: false }`
[INFO] [stdout] a4ed5223ee42f20cedfdfe7f17730b7d3ff8a94d6cd9f493e0d8f4425fd6f02a
