[INFO] cloning repository https://github.com/jamiely/connect-four-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamiely/connect-four-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiely%2Fconnect-four-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiely%2Fconnect-four-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd8b38765af4affc067a7b4235079cbb068fcd9b
[INFO] testing jamiely/connect-four-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiely%2Fconnect-four-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamiely/connect-four-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamiely/connect-four-rust
[INFO] finished tweaking git repo https://github.com/jamiely/connect-four-rust
[INFO] tweaked toml for git repo https://github.com/jamiely/connect-four-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jamiely/connect-four-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 2c9aee1d521e155b7e675ecb111f41f1010ee2e1f7ed4410e75e6ea62b6b6319
[INFO] running `Command { std: "docker" "start" "-a" "2c9aee1d521e155b7e675ecb111f41f1010ee2e1f7ed4410e75e6ea62b6b6319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9aee1d521e155b7e675ecb111f41f1010ee2e1f7ed4410e75e6ea62b6b6319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9aee1d521e155b7e675ecb111f41f1010ee2e1f7ed4410e75e6ea62b6b6319", kill_on_drop: false }`
[INFO] [stdout] 2c9aee1d521e155b7e675ecb111f41f1010ee2e1f7ed4410e75e6ea62b6b6319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08b3c7f717d058d00aea80d749878fc5ca27a51f6a9774e6f465d817d3136090
[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" "08b3c7f717d058d00aea80d749878fc5ca27a51f6a9774e6f465d817d3136090", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "08b3c7f717d058d00aea80d749878fc5ca27a51f6a9774e6f465d817d3136090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b3c7f717d058d00aea80d749878fc5ca27a51f6a9774e6f465d817d3136090", kill_on_drop: false }`
[INFO] [stdout] 08b3c7f717d058d00aea80d749878fc5ca27a51f6a9774e6f465d817d3136090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784154802e09ae0dfe58bb7d3edd707377ed8111edc309c758e735abb230e090
[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" "784154802e09ae0dfe58bb7d3edd707377ed8111edc309c758e735abb230e090", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `board::*`
[INFO] [stdout]   --> src/game.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use board::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_not_win`
[INFO] [stdout]    --> src/game.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn assert_not_win(g: &Game, move_result: Option<Index>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "784154802e09ae0dfe58bb7d3edd707377ed8111edc309c758e735abb230e090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784154802e09ae0dfe58bb7d3edd707377ed8111edc309c758e735abb230e090", kill_on_drop: false }`
[INFO] [stdout] 784154802e09ae0dfe58bb7d3edd707377ed8111edc309c758e735abb230e090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5d74070a00fc49e90be9c8a1a9bc1ebd621c6dac9cdb0db9bd0a1f0e5aa6fe5
[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" "c5d74070a00fc49e90be9c8a1a9bc1ebd621c6dac9cdb0db9bd0a1f0e5aa6fe5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stderr] warning: unused import: `board::*`
[INFO] [stderr]   --> src/game.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     use board::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_not_win`
[INFO] [stderr]    --> src/game.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |         fn assert_not_win(g: &Game, move_result: Option<Index>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect_four-a9f7494cb277d462)
[INFO] [stdout] test board::test::can_check_for_marker_at ... ok
[INFO] [stdout] test board::test::it_should_know_when_there_are_no_moves_left ... ok
[INFO] [stdout] test board::test::should_have_7_columns_and_6_rows ... ok
[INFO] [stdout] test game::test::starts_with_x ... ok
[INFO] [stdout] test board::test::it_allows_dropping_into_a_column ... ok
[INFO] [stdout] test board::test::it_checks_for_valid_indicies ... ok
[INFO] [stdout] test game::test::moves_increment_indices ... ok
[INFO] [stdout] test game::test::current_marker_changes_when_move_is_made ... ok
[INFO] [stdout] test board::test::it_should_be_empty ... ok
[INFO] [stdout] test board::test::it_should_keep_track_of_markers ... ok
[INFO] [stdout] test game::test::vertical_wins ... ok
[INFO] [stdout] test game::test::diagonal_win ... ok
[INFO] [stdout] test game::test::is_win_in_dir ... ok
[INFO] [stdout] test board::test::it_should_have_rows_times_columns_indicies ... ok
[INFO] [stdout] test board::test::it_finds_the_first_empty_row_in_a_column ... ok
[INFO] [stdout] test game::test::has_moves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 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/connect_four-be8b6c9e8c08d7c1)
[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] [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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5d74070a00fc49e90be9c8a1a9bc1ebd621c6dac9cdb0db9bd0a1f0e5aa6fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d74070a00fc49e90be9c8a1a9bc1ebd621c6dac9cdb0db9bd0a1f0e5aa6fe5", kill_on_drop: false }`
[INFO] [stdout] c5d74070a00fc49e90be9c8a1a9bc1ebd621c6dac9cdb0db9bd0a1f0e5aa6fe5