[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#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacha-renault%2Fchess_engine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sacha-renault/chess_engine on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b1829a63014d4966c9641eb4e408c1dc9353ebf5455d1df7dfd2d5ca847bb9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1829a63014d4966c9641eb4e408c1dc9353ebf5455d1df7dfd2d5ca847bb9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1829a63014d4966c9641eb4e408c1dc9353ebf5455d1df7dfd2d5ca847bb9e1", kill_on_drop: false }`
[INFO] [stdout] b1829a63014d4966c9641eb4e408c1dc9353ebf5455d1df7dfd2d5ca847bb9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c72499cead6545398d5dcaab6b78e89b16d7c69a7b2183a3dcfbb8f9c3f3f7
[INFO] running `Command { std: "docker" "start" "-a" "38c72499cead6545398d5dcaab6b78e89b16d7c69a7b2183a3dcfbb8f9c3f3f7", 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 27.13s
[INFO] running `Command { std: "docker" "inspect" "38c72499cead6545398d5dcaab6b78e89b16d7c69a7b2183a3dcfbb8f9c3f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c72499cead6545398d5dcaab6b78e89b16d7c69a7b2183a3dcfbb8f9c3f3f7", kill_on_drop: false }`
[INFO] [stdout] 38c72499cead6545398d5dcaab6b78e89b16d7c69a7b2183a3dcfbb8f9c3f3f7