[INFO] cloning repository https://github.com/default-username-852/schack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/default-username-852/schack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefault-username-852%2Fschack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefault-username-852%2Fschack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35689cb2fc3be1519ba1b57010483362ca8b9f4d
[INFO] testing default-username-852/schack against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefault-username-852%2Fschack" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/default-username-852/schack on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/default-username-852/schack
[INFO] finished tweaking git repo https://github.com/default-username-852/schack
[INFO] tweaked toml for git repo https://github.com/default-username-852/schack written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/default-username-852/schack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d620c4b8bbd71680414aaec4cb2a34d3cb314efac508716c21001fcbed332cf0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d620c4b8bbd71680414aaec4cb2a34d3cb314efac508716c21001fcbed332cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d620c4b8bbd71680414aaec4cb2a34d3cb314efac508716c21001fcbed332cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d620c4b8bbd71680414aaec4cb2a34d3cb314efac508716c21001fcbed332cf0", kill_on_drop: false }`
[INFO] [stdout] d620c4b8bbd71680414aaec4cb2a34d3cb314efac508716c21001fcbed332cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c1d756f148e0b9b0fa7c25ba6b65f1742ea1ed5d51597463a1f5f774883b67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6c1d756f148e0b9b0fa7c25ba6b65f1742ea1ed5d51597463a1f5f774883b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling schackmotor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "c6c1d756f148e0b9b0fa7c25ba6b65f1742ea1ed5d51597463a1f5f774883b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c1d756f148e0b9b0fa7c25ba6b65f1742ea1ed5d51597463a1f5f774883b67", kill_on_drop: false }`
[INFO] [stdout] c6c1d756f148e0b9b0fa7c25ba6b65f1742ea1ed5d51597463a1f5f774883b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e767168f89e9e1379e071e29f78a020d6f662668f7efa88116cf79d0c0d9cb5
[INFO] running `Command { std: "docker" "start" "-a" "4e767168f89e9e1379e071e29f78a020d6f662668f7efa88116cf79d0c0d9cb5", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling schackmotor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]     --> src/lib.rs:1097:18
[INFO] [stdout]      |
[INFO] [stdout] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "4e767168f89e9e1379e071e29f78a020d6f662668f7efa88116cf79d0c0d9cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e767168f89e9e1379e071e29f78a020d6f662668f7efa88116cf79d0c0d9cb5", kill_on_drop: false }`
[INFO] [stdout] 4e767168f89e9e1379e071e29f78a020d6f662668f7efa88116cf79d0c0d9cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dbb615f27c4b23da6edb2ee2d9b975e698939facdd6dfce458a99bb794f8862
[INFO] running `Command { std: "docker" "start" "-a" "0dbb615f27c4b23da6edb2ee2d9b975e698939facdd6dfce458a99bb794f8862", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 11 tests
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stdout] test test_gamestate ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_piece ... ok
[INFO] [stderr] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stdout] test test_promotion ... ok
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test test_castling ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_check ... ok
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test test_chess_notation ... ok
[INFO] [stderr] 
[INFO] [stdout] test test_bad_castling ... ok
[INFO] [stderr] warning: unused variable: `piece`
[INFO] [stdout] test test_en_passant ... ok
[INFO] [stderr]     --> src/lib.rs:1097:18
[INFO] [stdout] test test_game_states ... ok
[INFO] [stderr]      |
[INFO] [stderr] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stderr]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `piece`
[INFO] [stderr]     --> src/lib.rs:1097:18
[INFO] [stderr]      |
[INFO] [stderr] 1097 |             Some(piece) => { piece_color = self.get_piece_at(piece_position).unwrap().color.clone(); }
[INFO] [stderr]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schackmotor-4e4e0dbdbd3a3429
[INFO] [stdout] test test_standard_board ... ok
[INFO] [stderr]    Doc-tests schackmotor
[INFO] [stdout] test test_standard_castling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         (1 <= self.y && self.y <= 8 && 1 <= self.x && self.x <= 8)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0dbb615f27c4b23da6edb2ee2d9b975e698939facdd6dfce458a99bb794f8862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbb615f27c4b23da6edb2ee2d9b975e698939facdd6dfce458a99bb794f8862", kill_on_drop: false }`
[INFO] [stdout] 0dbb615f27c4b23da6edb2ee2d9b975e698939facdd6dfce458a99bb794f8862