[INFO] cloning repository https://github.com/CarlosMendonca/ReversiRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarlosMendonca/ReversiRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e2665e4aba0ac9b47541cb7f0c30e27c65d5fd9
[INFO] testing CarlosMendonca/ReversiRust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarlosMendonca/ReversiRust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarlosMendonca/ReversiRust
[INFO] finished tweaking git repo https://github.com/CarlosMendonca/ReversiRust
[INFO] tweaked toml for git repo https://github.com/CarlosMendonca/ReversiRust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/CarlosMendonca/ReversiRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3538dfbc5faf7fada10cabe3920ea36701c6eb76d0176e330ec4770d07e63e3
[INFO] running `Command { std: "docker" "start" "-a" "a3538dfbc5faf7fada10cabe3920ea36701c6eb76d0176e330ec4770d07e63e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3538dfbc5faf7fada10cabe3920ea36701c6eb76d0176e330ec4770d07e63e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3538dfbc5faf7fada10cabe3920ea36701c6eb76d0176e330ec4770d07e63e3", kill_on_drop: false }`
[INFO] [stdout] a3538dfbc5faf7fada10cabe3920ea36701c6eb76d0176e330ec4770d07e63e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4352db1399dc6f98c10877bc63f8b58339c5ff0df9945200c78c18028f5acf
[INFO] running `Command { std: "docker" "start" "-a" "ad4352db1399dc6f98c10877bc63f8b58339c5ff0df9945200c78c18028f5acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling array2d v0.2.1
[INFO] [stderr]    Compiling reversi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game.try_play((3, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     game.try_play((4, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ad4352db1399dc6f98c10877bc63f8b58339c5ff0df9945200c78c18028f5acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4352db1399dc6f98c10877bc63f8b58339c5ff0df9945200c78c18028f5acf", kill_on_drop: false }`
[INFO] [stdout] ad4352db1399dc6f98c10877bc63f8b58339c5ff0df9945200c78c18028f5acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc1449604e959227ecae2695b72f2e21ed6cab2c41f32df6142f4d91f7cce4b
[INFO] running `Command { std: "docker" "start" "-a" "6dc1449604e959227ecae2695b72f2e21ed6cab2c41f32df6142f4d91f7cce4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reversi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game.try_play((3, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     game.try_play((4, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "6dc1449604e959227ecae2695b72f2e21ed6cab2c41f32df6142f4d91f7cce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc1449604e959227ecae2695b72f2e21ed6cab2c41f32df6142f4d91f7cce4b", kill_on_drop: false }`
[INFO] [stdout] 6dc1449604e959227ecae2695b72f2e21ed6cab2c41f32df6142f4d91f7cce4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31ff162ff6810681ac0c1d9273ec002f085c20ebacd7b0ed32ecf5eead70f62f
[INFO] running `Command { std: "docker" "start" "-a" "31ff162ff6810681ac0c1d9273ec002f085c20ebacd7b0ed32ecf5eead70f62f", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     game.try_play((3, 2));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     game.try_play((4, 2));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `reversi-rust` (bin "reversi-rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reversi_rust-0923ee4c3f7d9f50)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test reversi::board::tests::can_initialize_board ... ok
[INFO] [stdout] test reversi::board::tests::capture_pieces_correctly ... ok
[INFO] [stdout] test reversi::game::tests::game_over_correctly_indicated ... ignored
[INFO] [stdout] test reversi::game::tests::can_determine_opponent ... ok
[INFO] [stdout] test reversi::game::tests::can_initialize_game ... ok
[INFO] [stdout] test reversi::game::tests::checking_invalid_play_sets_status_correctly ... ok
[INFO] [stdout] test reversi::game::tests::initialized_game_checks_available_positions_correctly ... ok
[INFO] [stdout] test reversi::game::tests::checking_valid_play_sets_state_correctly ... ok
[INFO] [stdout] test reversi::game::tests::playing_invalid_play_returns_error ... ok
[INFO] [stdout] test reversi::game::tests::played_game_rechecks_available_positions_correctly ... ok
[INFO] [stdout] test reversi::game::tests::playing_valid_play_advances_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31ff162ff6810681ac0c1d9273ec002f085c20ebacd7b0ed32ecf5eead70f62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ff162ff6810681ac0c1d9273ec002f085c20ebacd7b0ed32ecf5eead70f62f", kill_on_drop: false }`
[INFO] [stdout] 31ff162ff6810681ac0c1d9273ec002f085c20ebacd7b0ed32ecf5eead70f62f