[INFO] updating cached repository IEavan/Connect4-Monte-Carlo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IEavan/Connect4-Monte-Carlo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IEavan/Connect4-Monte-Carlo" "work/ex/beta-1.37-6/sources/1.36.0/gh/IEavan/Connect4-Monte-Carlo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/IEavan/Connect4-Monte-Carlo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IEavan/Connect4-Monte-Carlo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e120a2b3992e4f68973aa338398c220e7a0bde8
[INFO] sha for GitHub repo IEavan/Connect4-Monte-Carlo: 1e120a2b3992e4f68973aa338398c220e7a0bde8
[INFO] validating manifest of IEavan/Connect4-Monte-Carlo on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of IEavan/Connect4-Monte-Carlo on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing IEavan/Connect4-Monte-Carlo
[INFO] finished frobbing IEavan/Connect4-Monte-Carlo
[INFO] frobbed toml for IEavan/Connect4-Monte-Carlo written to work/ex/beta-1.37-6/sources/1.36.0/gh/IEavan/Connect4-Monte-Carlo/Cargo.toml
[INFO] started frobbing IEavan/Connect4-Monte-Carlo
[INFO] finished frobbing IEavan/Connect4-Monte-Carlo
[INFO] frobbed toml for IEavan/Connect4-Monte-Carlo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo/Cargo.toml
[INFO] crate IEavan/Connect4-Monte-Carlo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing IEavan/Connect4-Monte-Carlo against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f8757015f099b6a310416db58120b48d9df671b7b6bde60dba8d2280002a1b97
[INFO] running `"docker" "start" "-a" "f8757015f099b6a310416db58120b48d9df671b7b6bde60dba8d2280002a1b97"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `"docker" "inspect" "f8757015f099b6a310416db58120b48d9df671b7b6bde60dba8d2280002a1b97"`
[INFO] running `"docker" "rm" "-f" "f8757015f099b6a310416db58120b48d9df671b7b6bde60dba8d2280002a1b97"`
[INFO] [stdout] f8757015f099b6a310416db58120b48d9df671b7b6bde60dba8d2280002a1b97
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 276eb79c1106dabc0277b67e39f6107402db288d2f9abaed818ead20f81455e3
[INFO] running `"docker" "start" "-a" "276eb79c1106dabc0277b67e39f6107402db288d2f9abaed818ead20f81455e3"`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "276eb79c1106dabc0277b67e39f6107402db288d2f9abaed818ead20f81455e3"`
[INFO] running `"docker" "rm" "-f" "276eb79c1106dabc0277b67e39f6107402db288d2f9abaed818ead20f81455e3"`
[INFO] [stdout] 276eb79c1106dabc0277b67e39f6107402db288d2f9abaed818ead20f81455e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IEavan/Connect4-Monte-Carlo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b5b8dc72935b047b8488a036e42ecc246ef41158f6114c9c3e614e95dc4807d7
[INFO] running `"docker" "start" "-a" "b5b8dc72935b047b8488a036e42ecc246ef41158f6114c9c3e614e95dc4807d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connect4-eb955378a67ebd91
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test grid::test::test_cannot_insert_after_win ... ok
[INFO] [stdout] test grid::test::test_detect_rising_win ... ok
[INFO] [stdout] test grid::test::test_detect_row_win ... ok
[INFO] [stdout] test grid::test::test_detect_column_win ... ok
[INFO] [stdout] test grid::test::test_no_moves_after_win ... ok
[INFO] [stdout] test grid::test::test_no_early_winner ... ok
[INFO] [stdout] test mcts::tests::test_win_is_best_move ... ok
[INFO] [stdout] test mcts::tests::test_not_lose_is_best_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b5b8dc72935b047b8488a036e42ecc246ef41158f6114c9c3e614e95dc4807d7"`
[INFO] running `"docker" "rm" "-f" "b5b8dc72935b047b8488a036e42ecc246ef41158f6114c9c3e614e95dc4807d7"`
[INFO] [stdout] b5b8dc72935b047b8488a036e42ecc246ef41158f6114c9c3e614e95dc4807d7