[INFO] cloning repository https://github.com/jamiely/connect-four-rust
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiely%2Fconnect-four-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd8b38765af4affc067a7b4235079cbb068fcd9b
[INFO] testing jamiely/connect-four-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiely%2Fconnect-four-rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamiely/connect-four-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82fd995a729a159c99235092f42ae57dc72c379ad9e485f7077676111c5cf245
[INFO] running `"docker" "start" "-a" "82fd995a729a159c99235092f42ae57dc72c379ad9e485f7077676111c5cf245"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "82fd995a729a159c99235092f42ae57dc72c379ad9e485f7077676111c5cf245"`
[INFO] running `"docker" "rm" "-f" "82fd995a729a159c99235092f42ae57dc72c379ad9e485f7077676111c5cf245"`
[INFO] [stdout] 82fd995a729a159c99235092f42ae57dc72c379ad9e485f7077676111c5cf245
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3d76c577d64ea582912037e8f0c2cbdf4d2797f7d75a3bb270758691ed21c3e
[INFO] running `"docker" "start" "-a" "d3d76c577d64ea582912037e8f0c2cbdf4d2797f7d75a3bb270758691ed21c3e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[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 1.65s
[INFO] running `"docker" "inspect" "d3d76c577d64ea582912037e8f0c2cbdf4d2797f7d75a3bb270758691ed21c3e"`
[INFO] running `"docker" "rm" "-f" "d3d76c577d64ea582912037e8f0c2cbdf4d2797f7d75a3bb270758691ed21c3e"`
[INFO] [stdout] d3d76c577d64ea582912037e8f0c2cbdf4d2797f7d75a3bb270758691ed21c3e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fa24d481612bd8ad2687a6dfa719733d997776ffe52abdce63209bb7d15ea2f
[INFO] running `"docker" "start" "-a" "2fa24d481612bd8ad2687a6dfa719733d997776ffe52abdce63209bb7d15ea2f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-f490a1b28edd6359
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test board::test::can_check_for_marker_at ... ok
[INFO] [stdout] test board::test::it_finds_the_first_empty_row_in_a_column ... ok
[INFO] [stdout] test board::test::it_should_be_empty ... ok
[INFO] [stdout] test board::test::it_allows_dropping_into_a_column ... ok
[INFO] [stdout] test board::test::it_should_keep_track_of_markers ... ok
[INFO] [stdout] test game::test::starts_with_x ... ok
[INFO] [stdout] test board::test::should_have_7_columns_and_6_rows ... ok
[INFO] [stdout] test game::test::vertical_wins ... ok
[INFO] [stdout] test game::test::is_win_in_dir ... ok
[INFO] [stdout] test game::test::moves_increment_indices ... ok
[INFO] [stdout] test board::test::it_should_know_when_there_are_no_moves_left ... ok
[INFO] [stdout] test game::test::current_marker_changes_when_move_is_made ... ok
[INFO] [stdout] test board::test::it_should_have_rows_times_columns_indicies ... ok
[INFO] [stdout] test board::test::it_checks_for_valid_indicies ... ok
[INFO] [stdout] test game::test::diagonal_win ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-fe613fca9888c970
[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] [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" "2fa24d481612bd8ad2687a6dfa719733d997776ffe52abdce63209bb7d15ea2f"`
[INFO] running `"docker" "rm" "-f" "2fa24d481612bd8ad2687a6dfa719733d997776ffe52abdce63209bb7d15ea2f"`
[INFO] [stdout] 2fa24d481612bd8ad2687a6dfa719733d997776ffe52abdce63209bb7d15ea2f