[INFO] cloning repository https://github.com/sacha-renault/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/sacha-renault/chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacha-renault%2Fchess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacha-renault%2Fchess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 357c1fff610d7d55d810c5a409dd9d2dd42d586a
[INFO] checking sacha-renault/chess_engine against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacha-renault%2Fchess_engine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sacha-renault/chess_engine
[INFO] finished tweaking git repo https://github.com/sacha-renault/chess_engine
[INFO] tweaked toml for git repo https://github.com/sacha-renault/chess_engine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sacha-renault/chess_engine on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sacha-renault/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsqlite3-sys v0.31.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92b2f16ea67adebd5b7bea4f71f7cd874b6cc6f302dbfa89df07a580a3a7b5e8
[INFO] running `Command { std: "docker" "start" "-a" "92b2f16ea67adebd5b7bea4f71f7cd874b6cc6f302dbfa89df07a580a3a7b5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b2f16ea67adebd5b7bea4f71f7cd874b6cc6f302dbfa89df07a580a3a7b5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b2f16ea67adebd5b7bea4f71f7cd874b6cc6f302dbfa89df07a580a3a7b5e8", kill_on_drop: false }`
[INFO] [stdout] 92b2f16ea67adebd5b7bea4f71f7cd874b6cc6f302dbfa89df07a580a3a7b5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c7d59537787ad23ac29c684409c3aa981e625f79968fc7b2bd56b85f2188e3
[INFO] running `Command { std: "docker" "start" "-a" "18c7d59537787ad23ac29c684409c3aa981e625f79968fc7b2bd56b85f2188e3", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `BasicEvaluator`
[INFO] [stdout]  --> examples/engine.rs:2:60
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chess_engine::prelude::evaluators::{AdvancedEvaluator, BasicEvaluator};
[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 import: `string_from_move`
[INFO] [stdout]  --> examples/engine.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chess_engine::prelude::{print_board, string_from_move};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/engine.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "18c7d59537787ad23ac29c684409c3aa981e625f79968fc7b2bd56b85f2188e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c7d59537787ad23ac29c684409c3aa981e625f79968fc7b2bd56b85f2188e3", kill_on_drop: false }`
[INFO] [stdout] 18c7d59537787ad23ac29c684409c3aa981e625f79968fc7b2bd56b85f2188e3