[INFO] cloning repository https://github.com/ayg9172/ChessEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayg9172/ChessEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9379105fd256a5948569784d0430eacc963e9ec5
[INFO] testing ayg9172/ChessEngine against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayg9172/ChessEngine on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayg9172/ChessEngine
[INFO] finished tweaking git repo https://github.com/ayg9172/ChessEngine
[INFO] tweaked toml for git repo https://github.com/ayg9172/ChessEngine written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/ayg9172/ChessEngine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77294b4bee391b3e872a291c93be5ed274d12f8059d06ef457addc99b8a02e5a
[INFO] running `Command { std: "docker" "start" "-a" "77294b4bee391b3e872a291c93be5ed274d12f8059d06ef457addc99b8a02e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77294b4bee391b3e872a291c93be5ed274d12f8059d06ef457addc99b8a02e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77294b4bee391b3e872a291c93be5ed274d12f8059d06ef457addc99b8a02e5a", kill_on_drop: false }`
[INFO] [stdout] 77294b4bee391b3e872a291c93be5ed274d12f8059d06ef457addc99b8a02e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ea1ff3622defa88e16a68f2603e634d4b1794ea8eec6bd26bed465f975aea33
[INFO] running `Command { std: "docker" "start" "-a" "8ea1ff3622defa88e16a68f2603e634d4b1794ea8eec6bd26bed465f975aea33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/chess/move_api.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let now = Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:35
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:50
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_pinned_piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 12.36s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ea1ff3622defa88e16a68f2603e634d4b1794ea8eec6bd26bed465f975aea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea1ff3622defa88e16a68f2603e634d4b1794ea8eec6bd26bed465f975aea33", kill_on_drop: false }`
[INFO] [stdout] 8ea1ff3622defa88e16a68f2603e634d4b1794ea8eec6bd26bed465f975aea33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc6da42a91901e7d34dfc71ed0bebf541f2fb5b4d70ec37a158121579271647
[INFO] running `Command { std: "docker" "start" "-a" "0fc6da42a91901e7d34dfc71ed0bebf541f2fb5b4d70ec37a158121579271647", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/chess/move_api.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let now = Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:35
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:50
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_pinned_piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 3.11s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_engine-6a0b09c3856ef727)
[INFO] running `Command { std: "docker" "inspect" "0fc6da42a91901e7d34dfc71ed0bebf541f2fb5b4d70ec37a158121579271647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc6da42a91901e7d34dfc71ed0bebf541f2fb5b4d70ec37a158121579271647", kill_on_drop: false }`
[INFO] [stdout] 0fc6da42a91901e7d34dfc71ed0bebf541f2fb5b4d70ec37a158121579271647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22cefb1fff502a097ee475df998792d72583e7e81d93661d2c1bc5d9ed2e6692
[INFO] running `Command { std: "docker" "start" "-a" "22cefb1fff502a097ee475df998792d72583e7e81d93661d2c1bc5d9ed2e6692", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stdout] 
[INFO] [stderr]   --> src/chess/move_api.rs:78:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 78 |             let now = Instant::now();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/chess/move_generator.rs:309:35
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `piece`
[INFO] [stderr]    --> src/chess/move_generator.rs:309:50
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stderr]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_pinned_piece`
[INFO] [stderr]    --> src/chess/move_generator.rs:309:12
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_engine` (bin "chess_engine" test) generated 4 warnings
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 22.42s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_engine-6a0b09c3856ef727)
[INFO] running `Command { std: "docker" "inspect" "22cefb1fff502a097ee475df998792d72583e7e81d93661d2c1bc5d9ed2e6692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cefb1fff502a097ee475df998792d72583e7e81d93661d2c1bc5d9ed2e6692", kill_on_drop: false }`
[INFO] [stdout] 22cefb1fff502a097ee475df998792d72583e7e81d93661d2c1bc5d9ed2e6692