[INFO] fetching crate minimax-alpha-beta 0.1.6...
[INFO] testing minimax-alpha-beta-0.1.6 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate minimax-alpha-beta 0.1.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate minimax-alpha-beta 0.1.6 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimax-alpha-beta 0.1.6
[INFO] finished tweaking crates.io crate minimax-alpha-beta 0.1.6
[INFO] tweaked toml for crates.io crate minimax-alpha-beta 0.1.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89e25b54cc77e6547e76e6ac86645e225ebd97cecc7d7422c117331acee59fdb
[INFO] running `Command { std: "docker" "start" "-a" "89e25b54cc77e6547e76e6ac86645e225ebd97cecc7d7422c117331acee59fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e25b54cc77e6547e76e6ac86645e225ebd97cecc7d7422c117331acee59fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e25b54cc77e6547e76e6ac86645e225ebd97cecc7d7422c117331acee59fdb", kill_on_drop: false }`
[INFO] [stdout] 89e25b54cc77e6547e76e6ac86645e225ebd97cecc7d7422c117331acee59fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41e1d69df226818bedaa3c39ebbf8f8b88dbf32ea26a51c4f9ebfdbbdab6621
[INFO] running `Command { std: "docker" "start" "-a" "f41e1d69df226818bedaa3c39ebbf8f8b88dbf32ea26a51c4f9ebfdbbdab6621", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimax-alpha-beta v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f41e1d69df226818bedaa3c39ebbf8f8b88dbf32ea26a51c4f9ebfdbbdab6621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41e1d69df226818bedaa3c39ebbf8f8b88dbf32ea26a51c4f9ebfdbbdab6621", kill_on_drop: false }`
[INFO] [stdout] f41e1d69df226818bedaa3c39ebbf8f8b88dbf32ea26a51c4f9ebfdbbdab6621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1458538613a0cad42a0155a271e8b91d66bb76a6dfbd486270186be555138d1c
[INFO] running `Command { std: "docker" "start" "-a" "1458538613a0cad42a0155a271e8b91d66bb76a6dfbd486270186be555138d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimax-alpha-beta v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1458538613a0cad42a0155a271e8b91d66bb76a6dfbd486270186be555138d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1458538613a0cad42a0155a271e8b91d66bb76a6dfbd486270186be555138d1c", kill_on_drop: false }`
[INFO] [stdout] 1458538613a0cad42a0155a271e8b91d66bb76a6dfbd486270186be555138d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be3a8be3b4c43062b17d226b04d2c91f6fdd46aadf85273e125a31263077085d
[INFO] running `Command { std: "docker" "start" "-a" "be3a8be3b4c43062b17d226b04d2c91f6fdd46aadf85273e125a31263077085d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimax_alpha_beta-b84e72e373a4356f)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::tictactoe::setup_game ... ok
[INFO] [stdout] test tests::tictactoe::test_get_best_move_4_by_4_depth_8 ... ok
[INFO] [stdout] test tests::tictactoe::test_get_best_move_3_by_3_depth_12 ... ok
[INFO] [stdout] test tests::tictactoe::test_get_best_move_4_by_4_depth_6 ... ok
[INFO] [stdout] test tests::tictactoe::test_get_best_move_5_by_5_depth_6_after_5_moves_played ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimax-alpha-beta
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - tests (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be3a8be3b4c43062b17d226b04d2c91f6fdd46aadf85273e125a31263077085d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3a8be3b4c43062b17d226b04d2c91f6fdd46aadf85273e125a31263077085d", kill_on_drop: false }`
[INFO] [stdout] be3a8be3b4c43062b17d226b04d2c91f6fdd46aadf85273e125a31263077085d