[INFO] updating cached repository https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e120a2b3992e4f68973aa338398c220e7a0bde8
[INFO] testing IEavan/Connect4-Monte-Carlo against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEavan%2FConnect4-Monte-Carlo" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IEavan/Connect4-Monte-Carlo on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] finished tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] tweaked toml for git repo https://github.com/IEavan/Connect4-Monte-Carlo written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/IEavan/Connect4-Monte-Carlo already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e2844d22f3b91d9b2c7fad32a3039a957063548c01195b79441928f04118c487
[INFO] running `"docker" "start" "-a" "e2844d22f3b91d9b2c7fad32a3039a957063548c01195b79441928f04118c487"`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "e2844d22f3b91d9b2c7fad32a3039a957063548c01195b79441928f04118c487"`
[INFO] running `"docker" "rm" "-f" "e2844d22f3b91d9b2c7fad32a3039a957063548c01195b79441928f04118c487"`
[INFO] [stdout] e2844d22f3b91d9b2c7fad32a3039a957063548c01195b79441928f04118c487
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 81de8f1aac555c1d4d56ced98fcb765d96dcf866b13c4129dd25a0e7d6f2c48d
[INFO] running `"docker" "start" "-a" "81de8f1aac555c1d4d56ced98fcb765d96dcf866b13c4129dd25a0e7d6f2c48d"`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "81de8f1aac555c1d4d56ced98fcb765d96dcf866b13c4129dd25a0e7d6f2c48d"`
[INFO] running `"docker" "rm" "-f" "81de8f1aac555c1d4d56ced98fcb765d96dcf866b13c4129dd25a0e7d6f2c48d"`
[INFO] [stdout] 81de8f1aac555c1d4d56ced98fcb765d96dcf866b13c4129dd25a0e7d6f2c48d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 63f2e9be3486cc7467876c4c28483e27ebe2bbf833fa52cfd50f2908bf7b2cce
[INFO] running `"docker" "start" "-a" "63f2e9be3486cc7467876c4c28483e27ebe2bbf833fa52cfd50f2908bf7b2cce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect4-cd5532b068fada1c
[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_column_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_no_early_winner ... ok
[INFO] [stdout] test grid::test::test_no_moves_after_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" "63f2e9be3486cc7467876c4c28483e27ebe2bbf833fa52cfd50f2908bf7b2cce"`
[INFO] running `"docker" "rm" "-f" "63f2e9be3486cc7467876c4c28483e27ebe2bbf833fa52cfd50f2908bf7b2cce"`
[INFO] [stdout] 63f2e9be3486cc7467876c4c28483e27ebe2bbf833fa52cfd50f2908bf7b2cce