[INFO] fetching crate xo-core 0.2.0-alpha...
[INFO] testing xo-core-0.2.0-alpha against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate xo-core 0.2.0-alpha into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate xo-core 0.2.0-alpha
[INFO] finished tweaking crates.io crate xo-core 0.2.0-alpha
[INFO] tweaked toml for crates.io crate xo-core 0.2.0-alpha written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xo-core 0.2.0-alpha on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xo-core 0.2.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b9c491888609707ce11eb25444a4a5353d38592c61722509ce22a73052613c4
[INFO] running `Command { std: "docker" "start" "-a" "0b9c491888609707ce11eb25444a4a5353d38592c61722509ce22a73052613c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9c491888609707ce11eb25444a4a5353d38592c61722509ce22a73052613c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9c491888609707ce11eb25444a4a5353d38592c61722509ce22a73052613c4", kill_on_drop: false }`
[INFO] [stdout] 0b9c491888609707ce11eb25444a4a5353d38592c61722509ce22a73052613c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c8001bcb991366d9002660e417961f44e69d22f0e12921bad2a1b94ba02d70
[INFO] running `Command { std: "docker" "start" "-a" "b9c8001bcb991366d9002660e417961f44e69d22f0e12921bad2a1b94ba02d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling xo-core v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b9c8001bcb991366d9002660e417961f44e69d22f0e12921bad2a1b94ba02d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c8001bcb991366d9002660e417961f44e69d22f0e12921bad2a1b94ba02d70", kill_on_drop: false }`
[INFO] [stdout] b9c8001bcb991366d9002660e417961f44e69d22f0e12921bad2a1b94ba02d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad326124513e48e3fcfe6962cbbecbccb61472565fa1d7504d8996f2874df96
[INFO] running `Command { std: "docker" "start" "-a" "aad326124513e48e3fcfe6962cbbecbccb61472565fa1d7504d8996f2874df96", kill_on_drop: false }`
[INFO] [stderr]    Compiling xo-core v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "aad326124513e48e3fcfe6962cbbecbccb61472565fa1d7504d8996f2874df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad326124513e48e3fcfe6962cbbecbccb61472565fa1d7504d8996f2874df96", kill_on_drop: false }`
[INFO] [stdout] aad326124513e48e3fcfe6962cbbecbccb61472565fa1d7504d8996f2874df96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13596ae2f5c44c1cdb333f4a7fb4fe154dd4a26868790d3c752a42f27c16d512
[INFO] running `Command { std: "docker" "start" "-a" "13596ae2f5c44c1cdb333f4a7fb4fe154dd4a26868790d3c752a42f27c16d512", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xo_core-ad65266741f26ed1)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test game_engine::tests::invalid_move_out_of_bounds ... ok
[INFO] [stdout] test tests::ai_blocks_win ... ok
[INFO] [stdout] test game_engine::tests::invalid_move_occupied ... ok
[INFO] [stdout] test tests::ai_chooses_winning_move ... ok
[INFO] [stdout] test tests::board_updates_correctly ... ok
[INFO] [stdout] test game_engine::tests::minimax_ai_blocks_win ... ok
[INFO] [stdout] test tests::cannot_play_on_occupied_cell ... ok
[INFO] [stdout] test game_engine::tests::x_can_win ... ok
[INFO] [stdout] test tests::cannot_play_out_of_bounds ... ok
[INFO] [stdout] test game_engine::tests::human_vs_human_mode ... ok
[INFO] [stdout] test tests::o_wins_diagonal ... ok
[INFO] [stdout] test tests::tie_game ... ok
[INFO] [stdout] test tests::x_wins_top_row ... ok
[INFO] [stdout] test game_engine::tests::tie_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xo_core-1f7c513f8744d837)
[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 xo_core
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::with_ai (line 93) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::get_best_move (line 183) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine (line 28) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::get_best_move (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::new (line 69) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::make_move (line 124) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.83s; merged doctests compilation took 0.73s
[INFO] running `Command { std: "docker" "inspect" "13596ae2f5c44c1cdb333f4a7fb4fe154dd4a26868790d3c752a42f27c16d512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13596ae2f5c44c1cdb333f4a7fb4fe154dd4a26868790d3c752a42f27c16d512", kill_on_drop: false }`
[INFO] [stdout] 13596ae2f5c44c1cdb333f4a7fb4fe154dd4a26868790d3c752a42f27c16d512