[INFO] fetching crate minimax-alpha-beta 0.1.6...
[INFO] testing minimax-alpha-beta-0.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate minimax-alpha-beta 0.1.6 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate minimax-alpha-beta 0.1.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ed477364aab988249ef5b0cff155fa9e8e9b7f638c64adaa8a57d69b3d0686
[INFO] running `Command { std: "docker" "start" "-a" "e9ed477364aab988249ef5b0cff155fa9e8e9b7f638c64adaa8a57d69b3d0686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ed477364aab988249ef5b0cff155fa9e8e9b7f638c64adaa8a57d69b3d0686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ed477364aab988249ef5b0cff155fa9e8e9b7f638c64adaa8a57d69b3d0686", kill_on_drop: false }`
[INFO] [stdout] e9ed477364aab988249ef5b0cff155fa9e8e9b7f638c64adaa8a57d69b3d0686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f990c9a66a17da13561bcc36425faf67da5c27282edccef8c16e8b9d053235e
[INFO] running `Command { std: "docker" "start" "-a" "2f990c9a66a17da13561bcc36425faf67da5c27282edccef8c16e8b9d053235e", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "2f990c9a66a17da13561bcc36425faf67da5c27282edccef8c16e8b9d053235e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f990c9a66a17da13561bcc36425faf67da5c27282edccef8c16e8b9d053235e", kill_on_drop: false }`
[INFO] [stdout] 2f990c9a66a17da13561bcc36425faf67da5c27282edccef8c16e8b9d053235e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c189b6e0b675c3bd18f82d378abcc13f6f30c88a886fca7725dd52b34a7c58d
[INFO] running `Command { std: "docker" "start" "-a" "7c189b6e0b675c3bd18f82d378abcc13f6f30c88a886fca7725dd52b34a7c58d", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "7c189b6e0b675c3bd18f82d378abcc13f6f30c88a886fca7725dd52b34a7c58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c189b6e0b675c3bd18f82d378abcc13f6f30c88a886fca7725dd52b34a7c58d", kill_on_drop: false }`
[INFO] [stdout] 7c189b6e0b675c3bd18f82d378abcc13f6f30c88a886fca7725dd52b34a7c58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86e07f25308c5aa9fcf9eb086d29f924658439f80053454a50a7968382f84e8e
[INFO] running `Command { std: "docker" "start" "-a" "86e07f25308c5aa9fcf9eb086d29f924658439f80053454a50a7968382f84e8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimax_alpha_beta-81336fc134bfc2e5)
[INFO] [stdout] 
[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 3.16s
[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 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86e07f25308c5aa9fcf9eb086d29f924658439f80053454a50a7968382f84e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e07f25308c5aa9fcf9eb086d29f924658439f80053454a50a7968382f84e8e", kill_on_drop: false }`
[INFO] [stdout] 86e07f25308c5aa9fcf9eb086d29f924658439f80053454a50a7968382f84e8e