[INFO] updating cached repository mmgeorge/ConnectFour
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmgeorge/ConnectFour
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmgeorge/ConnectFour" "work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmgeorge/ConnectFour" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmgeorge/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmgeorge/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edee1618a34dedf6d3c43435125d2b02d8309e09
[INFO] sha for GitHub repo mmgeorge/ConnectFour: edee1618a34dedf6d3c43435125d2b02d8309e09
[INFO] validating manifest of mmgeorge/ConnectFour 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 mmgeorge/ConnectFour 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 mmgeorge/ConnectFour
[INFO] finished frobbing mmgeorge/ConnectFour
[INFO] frobbed toml for mmgeorge/ConnectFour written to work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour/Cargo.toml
[INFO] started frobbing mmgeorge/ConnectFour
[INFO] finished frobbing mmgeorge/ConnectFour
[INFO] frobbed toml for mmgeorge/ConnectFour written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmgeorge/ConnectFour/Cargo.toml
[INFO] crate mmgeorge/ConnectFour 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 mmgeorge/ConnectFour 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour:/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] 1d412c3d3553dbcfc15b6f70e080c8dedb91742497b627853eb3eed88278bca1
[INFO] running `"docker" "start" "-a" "1d412c3d3553dbcfc15b6f70e080c8dedb91742497b627853eb3eed88278bca1"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `ConnectK`, `Player`
[INFO] [stderr]    --> src/game.rs:361:14
[INFO] [stderr]     |
[INFO] [stderr] 361 |     use super::{ConnectK,Player};
[INFO] [stderr]     |                 ^^^^^^^^ ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "1d412c3d3553dbcfc15b6f70e080c8dedb91742497b627853eb3eed88278bca1"`
[INFO] running `"docker" "rm" "-f" "1d412c3d3553dbcfc15b6f70e080c8dedb91742497b627853eb3eed88278bca1"`
[INFO] [stdout] 1d412c3d3553dbcfc15b6f70e080c8dedb91742497b627853eb3eed88278bca1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour:/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] e4686dc8b017f01d3ccbc0f64648311b9dc5783d97c5bec2298b38af85f066c2
[INFO] running `"docker" "start" "-a" "e4686dc8b017f01d3ccbc0f64648311b9dc5783d97c5bec2298b38af85f066c2"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "e4686dc8b017f01d3ccbc0f64648311b9dc5783d97c5bec2298b38af85f066c2"`
[INFO] running `"docker" "rm" "-f" "e4686dc8b017f01d3ccbc0f64648311b9dc5783d97c5bec2298b38af85f066c2"`
[INFO] [stdout] e4686dc8b017f01d3ccbc0f64648311b9dc5783d97c5bec2298b38af85f066c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mmgeorge/ConnectFour:/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] 27319a73f08dd5a46dbc16e3048c7ea2af407ea4f22a4264e5f7704efa0dbdbf
[INFO] running `"docker" "start" "-a" "27319a73f08dd5a46dbc16e3048c7ea2af407ea4f22a4264e5f7704efa0dbdbf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connect_four-8a82a3772f56720f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test game::is_winner_test::player_2_winner ... ok
[INFO] [stdout] test game::format_tests::display_empty_board ... ok
[INFO] [stdout] test game::is_winner_test::player_1_winner ... ok
[INFO] [stdout] test game::is_winner_test::player_1_diag_win ... ok
[INFO] [stdout] test game::is_winner_test::no_winner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests connect_four
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "27319a73f08dd5a46dbc16e3048c7ea2af407ea4f22a4264e5f7704efa0dbdbf"`
[INFO] running `"docker" "rm" "-f" "27319a73f08dd5a46dbc16e3048c7ea2af407ea4f22a4264e5f7704efa0dbdbf"`
[INFO] [stdout] 27319a73f08dd5a46dbc16e3048c7ea2af407ea4f22a4264e5f7704efa0dbdbf