[INFO] cloning repository https://github.com/sa-kei728/tic_tac_toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sa-kei728/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsa-kei728%2Ftic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsa-kei728%2Ftic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff4b45b415b73c471103df1d44f8a611a089043c
[INFO] testing sa-kei728/tic_tac_toe against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsa-kei728%2Ftic_tac_toe" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sa-kei728/tic_tac_toe on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sa-kei728/tic_tac_toe
[INFO] finished tweaking git repo https://github.com/sa-kei728/tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/sa-kei728/tic_tac_toe written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/sa-kei728/tic_tac_toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd37da6d424dc3004575834ae6191da12db88ccbea0c23a6517933c82f93649
[INFO] running `Command { std: "docker" "start" "-a" "6fd37da6d424dc3004575834ae6191da12db88ccbea0c23a6517933c82f93649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd37da6d424dc3004575834ae6191da12db88ccbea0c23a6517933c82f93649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd37da6d424dc3004575834ae6191da12db88ccbea0c23a6517933c82f93649", kill_on_drop: false }`
[INFO] [stdout] 6fd37da6d424dc3004575834ae6191da12db88ccbea0c23a6517933c82f93649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0bf78cf665cf3ff37c1bb5906a67173da7f4b4aa6990d6ed7501d6fa1fcba29
[INFO] running `Command { std: "docker" "start" "-a" "d0bf78cf665cf3ff37c1bb5906a67173da7f4b4aa6990d6ed7501d6fa1fcba29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/board.rs:131:90
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |                                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/board.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "d0bf78cf665cf3ff37c1bb5906a67173da7f4b4aa6990d6ed7501d6fa1fcba29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bf78cf665cf3ff37c1bb5906a67173da7f4b4aa6990d6ed7501d6fa1fcba29", kill_on_drop: false }`
[INFO] [stdout] d0bf78cf665cf3ff37c1bb5906a67173da7f4b4aa6990d6ed7501d6fa1fcba29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9d6c7ca55b33930ab69e2e808a4f06b850ef0bae31583c2afea80f50df6430
[INFO] running `Command { std: "docker" "start" "-a" "3c9d6c7ca55b33930ab69e2e808a4f06b850ef0bae31583c2afea80f50df6430", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/board.rs:131:90
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |                                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/board.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/board.rs:131:90
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |                                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/board.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3c9d6c7ca55b33930ab69e2e808a4f06b850ef0bae31583c2afea80f50df6430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9d6c7ca55b33930ab69e2e808a4f06b850ef0bae31583c2afea80f50df6430", kill_on_drop: false }`
[INFO] [stdout] 3c9d6c7ca55b33930ab69e2e808a4f06b850ef0bae31583c2afea80f50df6430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dca8a5111e4e1fca3f8c0181d9ec8c308ae540cc3a71f813f30346adb93ef42d
[INFO] running `Command { std: "docker" "start" "-a" "dca8a5111e4e1fca3f8c0181d9ec8c308ae540cc3a71f813f30346adb93ef42d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/board.rs:131:90
[INFO] [stderr]     |
[INFO] [stderr] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stderr]     |                                                                                          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/board.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `tic_tac_toe` (lib) generated 2 warnings
[INFO] [stderr] warning: `tic_tac_toe` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe-de3b248b2852ca98)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe-a84dbea4adb7f079)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tic_tac_toe
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/board.rs:131:90
[INFO] [stderr]     |
[INFO] [stderr] 131 |             std::mem::replace(&mut self.board_matrix[row][col], player.get_piece_type());;
[INFO] [stderr]     |                                                                                          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` 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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dca8a5111e4e1fca3f8c0181d9ec8c308ae540cc3a71f813f30346adb93ef42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca8a5111e4e1fca3f8c0181d9ec8c308ae540cc3a71f813f30346adb93ef42d", kill_on_drop: false }`
[INFO] [stdout] dca8a5111e4e1fca3f8c0181d9ec8c308ae540cc3a71f813f30346adb93ef42d