[INFO] cloning repository https://github.com/AntoineRR/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/AntoineRR/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoineRR%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoineRR%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8092f98f5f20c9ff1e482ba105149d92229589fc
[INFO] checking AntoineRR/chess-engine against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoineRR%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/AntoineRR/chess-engine
[INFO] finished tweaking git repo https://github.com/AntoineRR/chess-engine
[INFO] tweaked toml for git repo https://github.com/AntoineRR/chess-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AntoineRR/chess-engine on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AntoineRR/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" "+36b21637e93b038453924d3c66821089e71d8baa" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35e941e89c4db4366624593042d7f0cb2150c7793c962da6c1ccd681c3c7e09
[INFO] running `Command { std: "docker" "start" "-a" "e35e941e89c4db4366624593042d7f0cb2150c7793c962da6c1ccd681c3c7e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35e941e89c4db4366624593042d7f0cb2150c7793c962da6c1ccd681c3c7e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35e941e89c4db4366624593042d7f0cb2150c7793c962da6c1ccd681c3c7e09", kill_on_drop: false }`
[INFO] [stdout] e35e941e89c4db4366624593042d7f0cb2150c7793c962da6c1ccd681c3c7e09
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94beb428cfa5953dad0ef3f061617a434947c709feef0103554385e96ec7b7f5
[INFO] running `Command { std: "docker" "start" "-a" "94beb428cfa5953dad0ef3f061617a434947c709feef0103554385e96ec7b7f5", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `piece` and `promotion` are never read
[INFO] [stdout]   --> src/bitboard.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Move {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 18 |     pub piece: PieceType,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub to: BitBoard,
[INFO] [stdout] 20 |     pub promotion: Option<PieceType>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `black` is never read
[INFO] [stdout]    --> src/bitboard.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct BoardRepresentation {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 119 |     pub white: BitBoard,
[INFO] [stdout] 120 |     pub black: BitBoard,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MoveGenerator` is never used
[INFO] [stdout]  --> src/moves/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait MoveGenerator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PawnMoveGenerator` is never constructed
[INFO] [stdout]  --> src/moves/pawn.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PawnMoveGenerator {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "94beb428cfa5953dad0ef3f061617a434947c709feef0103554385e96ec7b7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94beb428cfa5953dad0ef3f061617a434947c709feef0103554385e96ec7b7f5", kill_on_drop: false }`
[INFO] [stdout] 94beb428cfa5953dad0ef3f061617a434947c709feef0103554385e96ec7b7f5
