[INFO] cloning repository https://github.com/ChristofferCJ/chess-board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristofferCJ/chess-board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristofferCJ%2Fchess-board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristofferCJ%2Fchess-board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be2cf63d2e20c3574f1061b9c8689d7cffa0786f
[INFO] testing ChristofferCJ/chess-board against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristofferCJ%2Fchess-board" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristofferCJ/chess-board on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChristofferCJ/chess-board
[INFO] finished tweaking git repo https://github.com/ChristofferCJ/chess-board
[INFO] tweaked toml for git repo https://github.com/ChristofferCJ/chess-board written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristofferCJ/chess-board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63abf435c963e3493f5aaaffadb91dae863da30abe2659599ddc2c1e708b5709
[INFO] running `Command { std: "docker" "start" "-a" "63abf435c963e3493f5aaaffadb91dae863da30abe2659599ddc2c1e708b5709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63abf435c963e3493f5aaaffadb91dae863da30abe2659599ddc2c1e708b5709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63abf435c963e3493f5aaaffadb91dae863da30abe2659599ddc2c1e708b5709", kill_on_drop: false }`
[INFO] [stdout] 63abf435c963e3493f5aaaffadb91dae863da30abe2659599ddc2c1e708b5709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d2e25991e7733620ba8717f1821c2a3abe7874e64967694d3acae5bc4452db
[INFO] running `Command { std: "docker" "start" "-a" "18d2e25991e7733620ba8717f1821c2a3abe7874e64967694d3acae5bc4452db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess-board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]  --> src/board.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Board {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_empty`
[INFO] [stdout]  --> src/board.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new_empty() -> Board {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/board.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new() -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_square`
[INFO] [stdout]   --> src/board.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set_square(&mut self, rank: usize, file: usize, piece: Option<Piece>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_square`
[INFO] [stdout]   --> src/board.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_square(&self, rank: usize, file: usize) -> Option<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_piece`
[INFO] [stdout]   --> src/board.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn move_piece(&mut self, from: (usize, usize), to: (usize, usize)) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `legal_move`
[INFO] [stdout]   --> src/board.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn legal_move(&self, from: (usize, usize), to: (usize, usize)) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WHITE`
[INFO] [stdout]  --> src/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     WHITE,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BLACK`
[INFO] [stdout]  --> src/piece.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BLACK,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PAWN`
[INFO] [stdout]  --> src/piece.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PAWN,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BISHOP`
[INFO] [stdout]   --> src/piece.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BISHOP,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KNIGHT`
[INFO] [stdout]   --> src/piece.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     KNIGHT,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ROOK`
[INFO] [stdout]   --> src/piece.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ROOK,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QUEEN`
[INFO] [stdout]   --> src/piece.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     QUEEN,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KING`
[INFO] [stdout]   --> src/piece.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     KING,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `color`
[INFO] [stdout]   --> src/piece.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     color: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/piece.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     kind: Kind,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `has_moved`
[INFO] [stdout]   --> src/piece.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     has_moved: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/piece.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(color: Color, kind: Kind) -> Piece {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `color`
[INFO] [stdout]   --> src/piece.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn color(&self) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/piece.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn kind(&self) -> Kind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_moved`
[INFO] [stdout]   --> src/piece.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn has_moved(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `moved`
[INFO] [stdout]   --> src/piece.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn moved(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "18d2e25991e7733620ba8717f1821c2a3abe7874e64967694d3acae5bc4452db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d2e25991e7733620ba8717f1821c2a3abe7874e64967694d3acae5bc4452db", kill_on_drop: false }`
[INFO] [stdout] 18d2e25991e7733620ba8717f1821c2a3abe7874e64967694d3acae5bc4452db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996e0d6509b2ae9e0019dc0a7d66fa27300c01fa58aaa3633756eae95d6106b8
[INFO] running `Command { std: "docker" "start" "-a" "996e0d6509b2ae9e0019dc0a7d66fa27300c01fa58aaa3633756eae95d6106b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess-board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "996e0d6509b2ae9e0019dc0a7d66fa27300c01fa58aaa3633756eae95d6106b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996e0d6509b2ae9e0019dc0a7d66fa27300c01fa58aaa3633756eae95d6106b8", kill_on_drop: false }`
[INFO] [stdout] 996e0d6509b2ae9e0019dc0a7d66fa27300c01fa58aaa3633756eae95d6106b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcebf99f378b36cd203f9c508aba0a3f5d5f97a7f52a41041f072d76372cace6
[INFO] running `Command { std: "docker" "start" "-a" "bcebf99f378b36cd203f9c508aba0a3f5d5f97a7f52a41041f072d76372cace6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess_board-5350a4493c2cbd78)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test board::test::test_bishop_can_move_diagonal_up_left ... ok
[INFO] [stdout] test board::test::test_king_cant_castle_if_rook_has_moved ... ok
[INFO] [stdout] test board::test::test_king_cant_castle_if_there_is_a_piece_between_king_and_rook ... ok
[INFO] [stdout] test board::test::test_king_has_moved_after_castling ... ok
[INFO] [stdout] test board::test::test_knight_cant_go_straight_left ... ok
[INFO] [stdout] test board::test::test_knight_cant_go_straight_right ... ok
[INFO] [stdout] test board::test::test_bishop_cant_move_vertical ... ok
[INFO] [stdout] test board::test::test_knight_cant_go_straight_up ... ok
[INFO] [stdout] test board::test::test_knight_can_go_down_right ... ok
[INFO] [stdout] test board::test::test_move_outside_of_board_is_invalid ... ok
[INFO] [stdout] test board::test::test_knight_can_go_down_left ... ok
[INFO] [stdout] test board::test::test_king_can_castle_if_king_and_rook_has_not_moved ... ok
[INFO] [stdout] test board::test::test_knight_cant_go_straight_down ... ok
[INFO] [stdout] test board::test::test_knight_cant_go_on_same_square_as_friendly_piece ... ok
[INFO] [stdout] test board::test::test_knight_can_go_up_left ... ok
[INFO] [stdout] test board::test::test_bishop_cant_move_horizontal ... ok
[INFO] [stdout] test board::test::test_bishop_cant_move_diagonal_if_piece_is_in_the_way ... ok
[INFO] [stdout] test board::test::test_king_move_one_square_right_valid ... ok
[INFO] [stdout] test board::test::test_knight_can_go_up_right ... ok
[INFO] [stdout] test board::test::test_bishop_can_move_diagonal_down_left ... ok
[INFO] [stdout] test board::test::test_rook_can_move_down ... ok
[INFO] [stdout] test board::test::test_bishop_can_move_diagonal_up_right ... ok
[INFO] [stdout] test board::test::test_bishop_can_move_diagonal_down_right ... ok
[INFO] [stdout] test board::test::test_knight_can_capture_enemy_piece ... ok
[INFO] [stdout] test board::test::test_king_move_two_square_right_invalid ... ok
[INFO] [stdout] test board::test::test_rook_can_move_left ... ok
[INFO] [stdout] test board::test::test_rook_can_move_right ... ok
[INFO] [stdout] test board::test::test_white_king_can_move_on_top_of_black_pawn ... ok
[INFO] [stdout] test piece::test::test_black_pawn_is_not_white ... ok
[INFO] [stdout] test board::test::test_white_king_cant_move_on_top_of_white_pawn ... ok
[INFO] [stdout] test board::test::test_rook_cant_move_diagonally ... ok
[INFO] [stdout] test board::test::test_rook_has_moved_after_castling ... ok
[INFO] [stdout] test board::test::test_white_queen_on_rank_8_file_4 ... ok
[INFO] [stdout] test piece::test::test_white_pawn_is_white ... ok
[INFO] [stdout] test board::test::test_rook_can_move_up ... ok
[INFO] [stdout] test board::test::test_rook_cant_move_if_piece_is_in_the_way ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcebf99f378b36cd203f9c508aba0a3f5d5f97a7f52a41041f072d76372cace6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcebf99f378b36cd203f9c508aba0a3f5d5f97a7f52a41041f072d76372cace6", kill_on_drop: false }`
[INFO] [stdout] bcebf99f378b36cd203f9c508aba0a3f5d5f97a7f52a41041f072d76372cace6