[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-1.38-1/sources/1.37.0/gh/IEavan/Connect4-Monte-Carlo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IEavan/Connect4-Monte-Carlo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IEavan/Connect4-Monte-Carlo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IEavan/Connect4-Monte-Carlo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of IEavan/Connect4-Monte-Carlo on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing IEavan/Connect4-Monte-Carlo against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 05898be5f54a1aaf223a4201d28a8bd9064cb5a857fd722d35e55496f135caf5
[INFO] running `"docker" "start" "-a" "05898be5f54a1aaf223a4201d28a8bd9064cb5a857fd722d35e55496f135caf5"`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "05898be5f54a1aaf223a4201d28a8bd9064cb5a857fd722d35e55496f135caf5"`
[INFO] running `"docker" "rm" "-f" "05898be5f54a1aaf223a4201d28a8bd9064cb5a857fd722d35e55496f135caf5"`
[INFO] [stdout] 05898be5f54a1aaf223a4201d28a8bd9064cb5a857fd722d35e55496f135caf5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 155b7c335128020ee62ad9c617b8c6656917b61a8eaafec2b382575fc7318201
[INFO] running `"docker" "start" "-a" "155b7c335128020ee62ad9c617b8c6656917b61a8eaafec2b382575fc7318201"`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "155b7c335128020ee62ad9c617b8c6656917b61a8eaafec2b382575fc7318201"`
[INFO] running `"docker" "rm" "-f" "155b7c335128020ee62ad9c617b8c6656917b61a8eaafec2b382575fc7318201"`
[INFO] [stdout] 155b7c335128020ee62ad9c617b8c6656917b61a8eaafec2b382575fc7318201
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d5366bdf23ddfaf4cadced8af11a3b0ca880d97fa1361349030a311fed432a40
[INFO] running `"docker" "start" "-a" "d5366bdf23ddfaf4cadced8af11a3b0ca880d97fa1361349030a311fed432a40"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connect4-36c63fabb694d55b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test grid::test::test_detect_row_win ... ok
[INFO] [stdout] test grid::test::test_cannot_insert_after_win ... ok
[INFO] [stdout] test grid::test::test_no_early_winner ... ok
[INFO] [stdout] test grid::test::test_no_moves_after_win ... ok
[INFO] [stdout] test grid::test::test_detect_column_win ... ok
[INFO] [stdout] test grid::test::test_detect_rising_win ... 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" "d5366bdf23ddfaf4cadced8af11a3b0ca880d97fa1361349030a311fed432a40"`
[INFO] running `"docker" "rm" "-f" "d5366bdf23ddfaf4cadced8af11a3b0ca880d97fa1361349030a311fed432a40"`
[INFO] [stdout] d5366bdf23ddfaf4cadced8af11a3b0ca880d97fa1361349030a311fed432a40