[INFO] updating cached repository jamiely/connect-four-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jamiely/connect-four-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jamiely/connect-four-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jamiely/connect-four-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamiely/connect-four-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamiely/connect-four-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd8b38765af4affc067a7b4235079cbb068fcd9b
[INFO] sha for GitHub repo jamiely/connect-four-rust: bd8b38765af4affc067a7b4235079cbb068fcd9b
[INFO] validating manifest of jamiely/connect-four-rust 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 jamiely/connect-four-rust 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 jamiely/connect-four-rust
[INFO] finished frobbing jamiely/connect-four-rust
[INFO] frobbed toml for jamiely/connect-four-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust/Cargo.toml
[INFO] started frobbing jamiely/connect-four-rust
[INFO] finished frobbing jamiely/connect-four-rust
[INFO] frobbed toml for jamiely/connect-four-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamiely/connect-four-rust/Cargo.toml
[INFO] crate jamiely/connect-four-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jamiely/connect-four-rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust:/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] 8d0b783fe2bf1ec35711d04536a00cc0cc3babc0eff730ffab0ff143b50a0f4f
[INFO] running `"docker" "start" "-a" "8d0b783fe2bf1ec35711d04536a00cc0cc3babc0eff730ffab0ff143b50a0f4f"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "8d0b783fe2bf1ec35711d04536a00cc0cc3babc0eff730ffab0ff143b50a0f4f"`
[INFO] running `"docker" "rm" "-f" "8d0b783fe2bf1ec35711d04536a00cc0cc3babc0eff730ffab0ff143b50a0f4f"`
[INFO] [stdout] 8d0b783fe2bf1ec35711d04536a00cc0cc3babc0eff730ffab0ff143b50a0f4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust:/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] 832b0d438d36d772288bb9840e08b2c20d475d9d9255d566b55913787745c5fe
[INFO] running `"docker" "start" "-a" "832b0d438d36d772288bb9840e08b2c20d475d9d9255d566b55913787745c5fe"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/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:153:9
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "832b0d438d36d772288bb9840e08b2c20d475d9d9255d566b55913787745c5fe"`
[INFO] running `"docker" "rm" "-f" "832b0d438d36d772288bb9840e08b2c20d475d9d9255d566b55913787745c5fe"`
[INFO] [stdout] 832b0d438d36d772288bb9840e08b2c20d475d9d9255d566b55913787745c5fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jamiely/connect-four-rust:/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] 10a3fb8074264cc92018894ba2aed36cea2bb45bdc4854e5b84b4e796eed5d26
[INFO] running `"docker" "start" "-a" "10a3fb8074264cc92018894ba2aed36cea2bb45bdc4854e5b84b4e796eed5d26"`
[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 16 tests
[INFO] [stdout] test board::test::it_allows_dropping_into_a_column ... ok
[INFO] [stdout] test board::test::can_check_for_marker_at ... ok
[INFO] [stdout] test board::test::it_checks_for_valid_indicies ... ok
[INFO] [stdout] test board::test::it_finds_the_first_empty_row_in_a_column ... ok
[INFO] [stdout] test board::test::should_have_7_columns_and_6_rows ... ok
[INFO] [stdout] test board::test::it_should_have_rows_times_columns_indicies ... ok
[INFO] [stdout] test board::test::it_should_keep_track_of_markers ... ok
[INFO] [stdout] test board::test::it_should_know_when_there_are_no_moves_left ... ok
[INFO] [stdout] test board::test::it_should_be_empty ... ok
[INFO] [stdout] test game::test::current_marker_changes_when_move_is_made ... ok
[INFO] [stdout] test game::test::diagonal_win ... ok
[INFO] [stdout] test game::test::has_moves ... ok
[INFO] [stdout] test game::test::is_win_in_dir ... ok
[INFO] [stdout] test game::test::vertical_wins ... ok
[INFO] [stdout] test game::test::starts_with_x ... ok
[INFO] [stdout] test game::test::moves_increment_indices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 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] [stderr]      Running /opt/crater/target/debug/deps/connect_four-bcfa6a040a4559cf
[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" "10a3fb8074264cc92018894ba2aed36cea2bb45bdc4854e5b84b4e796eed5d26"`
[INFO] running `"docker" "rm" "-f" "10a3fb8074264cc92018894ba2aed36cea2bb45bdc4854e5b84b4e796eed5d26"`
[INFO] [stdout] 10a3fb8074264cc92018894ba2aed36cea2bb45bdc4854e5b84b4e796eed5d26