[INFO] cloning repository https://github.com/valdemarceccon/connect4_minmax_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valdemarceccon/connect4_minmax_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Fconnect4_minmax_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Fconnect4_minmax_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd2cc2dd9bb08f9ee2d908152d1a4aee2eb0201b
[INFO] testing valdemarceccon/connect4_minmax_rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Fconnect4_minmax_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valdemarceccon/connect4_minmax_rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valdemarceccon/connect4_minmax_rust
[INFO] finished tweaking git repo https://github.com/valdemarceccon/connect4_minmax_rust
[INFO] tweaked toml for git repo https://github.com/valdemarceccon/connect4_minmax_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/valdemarceccon/connect4_minmax_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9155a1cc3f95a798b4791909906c2e6411c6d838ed465792b97274fdeb142c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b9155a1cc3f95a798b4791909906c2e6411c6d838ed465792b97274fdeb142c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9155a1cc3f95a798b4791909906c2e6411c6d838ed465792b97274fdeb142c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9155a1cc3f95a798b4791909906c2e6411c6d838ed465792b97274fdeb142c", kill_on_drop: false }`
[INFO] [stdout] 2b9155a1cc3f95a798b4791909906c2e6411c6d838ed465792b97274fdeb142c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dd32e49cf8d04c67e5427d5a7e2940c90110072435256e7c0ebef53af052e02
[INFO] running `Command { std: "docker" "start" "-a" "3dd32e49cf8d04c67e5427d5a7e2940c90110072435256e7c0ebef53af052e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "3dd32e49cf8d04c67e5427d5a7e2940c90110072435256e7c0ebef53af052e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd32e49cf8d04c67e5427d5a7e2940c90110072435256e7c0ebef53af052e02", kill_on_drop: false }`
[INFO] [stdout] 3dd32e49cf8d04c67e5427d5a7e2940c90110072435256e7c0ebef53af052e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54910835e1541fa5bbb0f82d19453ce7edb67b4d920329e6c3197fab4f5a59ec
[INFO] running `Command { std: "docker" "start" "-a" "54910835e1541fa5bbb0f82d19453ce7edb67b4d920329e6c3197fab4f5a59ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "54910835e1541fa5bbb0f82d19453ce7edb67b4d920329e6c3197fab4f5a59ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54910835e1541fa5bbb0f82d19453ce7edb67b4d920329e6c3197fab4f5a59ec", kill_on_drop: false }`
[INFO] [stdout] 54910835e1541fa5bbb0f82d19453ce7edb67b4d920329e6c3197fab4f5a59ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e3ab47a4bf395481503156d421ef37ed9eb5498b4872769ea1e4979f1084079
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e3ab47a4bf395481503156d421ef37ed9eb5498b4872769ea1e4979f1084079", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4_core-ae6252cc50bc4904)
[INFO] [stdout] running 21 tests
[INFO] [stdout] test board::test::board_full_counter_is_full_when_board_is_full ... ok
[INFO] [stdout] test board::test::find_row_when_searching_for_non_empty_col_in_a_empty_col ... ok
[INFO] [stdout] test board::test::find_row_when_searching_for_empty_col_in_a_empty_col ... ok
[INFO] [stdout] test board::test::get_piece_at ... ok
[INFO] [stdout] test board::test::play_out_of_bounds_results_in_error ... ok
[INFO] [stdout] test board::test::test_last_move ... ok
[INFO] [stdout] test board_iterators::test::test_col_iterator ... ok
[INFO] [stdout] test board_iterators::test::test_row_iterator ... ok
[INFO] [stdout] test game::test::does_not_change_state_when_some_error_occours ... ok
[INFO] [stdout] test game::test::game_finish_in_tie ... ok
[INFO] [stdout] test game::test::toggle_player_on_play ... ok
[INFO] [stdout] test validator::test::there_is_a_winner_in_the_main_diagonal ... ok
[INFO] [stdout] test validator::test::there_is_no_winner ... ok
[INFO] [stdout] test validator::test::there_is_a_winner_in_a_row ... ok
[INFO] [stdout] test board::test::find_row_when_searching_for_full_col_in_a_empty_col ... ok
[INFO] [stdout] test validator::test::there_is_a_winner_in_the_secundary_diagonal ... ok
[INFO] [stdout] test board::test::create_new_instance ... ok
[INFO] [stdout] test board::test::play_not_empty_column ... ok
[INFO] [stdout] test board_iterators::test::test_diagonal_iterator ... ok
[INFO] [stdout] test game::test::game_construction ... ok
[INFO] [stdout] test validator::test::there_is_a_winner_in_a_colunm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4_cli-5486f7f67fe008e4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests connect4_core
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e3ab47a4bf395481503156d421ef37ed9eb5498b4872769ea1e4979f1084079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3ab47a4bf395481503156d421ef37ed9eb5498b4872769ea1e4979f1084079", kill_on_drop: false }`
[INFO] [stdout] 0e3ab47a4bf395481503156d421ef37ed9eb5498b4872769ea1e4979f1084079