[INFO] cloning repository https://github.com/rachelseng/rust_HeuristicGameTree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rachelseng/rust_HeuristicGameTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachelseng%2Frust_HeuristicGameTree"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachelseng%2Frust_HeuristicGameTree'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 179d23549cb1ef90bf74401d4f2bd5512919e801
[INFO] testing rachelseng/rust_HeuristicGameTree against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachelseng%2Frust_HeuristicGameTree" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rachelseng/rust_HeuristicGameTree on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rachelseng/rust_HeuristicGameTree
[INFO] finished tweaking git repo https://github.com/rachelseng/rust_HeuristicGameTree
[INFO] tweaked toml for git repo https://github.com/rachelseng/rust_HeuristicGameTree written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rachelseng/rust_HeuristicGameTree already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] e25e0d8e64ccfc02fb944dfdb6c6438e5fb95efeec114b71f61d310c329e16ec
[INFO] running `"docker" "start" "-a" "e25e0d8e64ccfc02fb944dfdb6c6438e5fb95efeec114b71f61d310c329e16ec"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling heuristic_game_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/checkers.rs:304:37
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn possible_moves(&self) -> Box<Iterator<Item = (usize, usize, Option<usize>)> + '_> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, usize, Option<usize>)> + '_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect4.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tictactoe.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "e25e0d8e64ccfc02fb944dfdb6c6438e5fb95efeec114b71f61d310c329e16ec"`
[INFO] running `"docker" "rm" "-f" "e25e0d8e64ccfc02fb944dfdb6c6438e5fb95efeec114b71f61d310c329e16ec"`
[INFO] [stdout] e25e0d8e64ccfc02fb944dfdb6c6438e5fb95efeec114b71f61d310c329e16ec
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] aa14e9bcf3635cefd2e3388fcc85dec0f7c18fbca6edbe4df016706621e038f4
[INFO] running `"docker" "start" "-a" "aa14e9bcf3635cefd2e3388fcc85dec0f7c18fbca6edbe4df016706621e038f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling heuristic_game_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/checkers.rs:304:37
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn possible_moves(&self) -> Box<Iterator<Item = (usize, usize, Option<usize>)> + '_> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, usize, Option<usize>)> + '_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect4.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tictactoe.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/checkers.rs:304:37
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn possible_moves(&self) -> Box<Iterator<Item = (usize, usize, Option<usize>)> + '_> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, usize, Option<usize>)> + '_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect4.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tictactoe.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "aa14e9bcf3635cefd2e3388fcc85dec0f7c18fbca6edbe4df016706621e038f4"`
[INFO] running `"docker" "rm" "-f" "aa14e9bcf3635cefd2e3388fcc85dec0f7c18fbca6edbe4df016706621e038f4"`
[INFO] [stdout] aa14e9bcf3635cefd2e3388fcc85dec0f7c18fbca6edbe4df016706621e038f4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] ca17014ba1e94a15920b328bc52cad6ed87a64ec9693cfd2d1c0f81e0ece8a47
[INFO] running `"docker" "start" "-a" "ca17014ba1e94a15920b328bc52cad6ed87a64ec9693cfd2d1c0f81e0ece8a47"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/checkers.rs:304:37
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn possible_moves(&self) -> Box<Iterator<Item = (usize, usize, Option<usize>)> + '_> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, usize, Option<usize>)> + '_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect4.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tictactoe.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/checkers.rs:304:37
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn possible_moves(&self) -> Box<Iterator<Item = (usize, usize, Option<usize>)> + '_> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, usize, Option<usize>)> + '_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect4.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tictactoe.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn possible_moves(&self) -> Box<Iterator<Item = Self::Move> + '_>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Move> + '_`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/heuristic_game_tree-e73c2cc7f3da89e7
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test connect4::con_tests::board_not_full2_test ... ok
[INFO] [stdout] test checkers::check_tests::force_repeated_jump_test ... ok
[INFO] [stdout] test checkers::check_tests::valid_move_test ... ok
[INFO] [stdout] test checkers::check_tests::heuristic_test ... ok
[INFO] [stdout] test connect4::con_tests::board_not_full_test ... ok
[INFO] [stdout] test connect4::con_tests::horiz_test ... ok
[INFO] [stdout] test connect4::con_tests::invalid_con_test ... ok
[INFO] [stdout] test checkers::check_tests::jump_piece_test ... ok
[INFO] [stdout] test connect4::con_tests::lose_con_test ... ok
[INFO] [stdout] test connect4::con_tests::validrow_con_test ... ok
[INFO] [stdout] test connect4::con_tests::new_con_test ... ok
[INFO] [stdout] test connect4::con_tests::print_piece_x_con_test ... ok
[INFO] [stdout] test connect4::con_tests::rdiag_test ... ok
[INFO] [stdout] test connect4::con_tests::store_con_test ... ok
[INFO] [stdout] test connect4::con_tests::valid_con_test ... ok
[INFO] [stdout] test connect4::con_tests::ldiag_test ... ok
[INFO] [stdout] test checkers::check_tests::force_jump_test ... ok
[INFO] [stdout] test checkers::check_tests::invalid_move_test ... ok
[INFO] [stdout] test checkers::check_tests::make_kings_test ... ok
[INFO] [stdout] test checkers::check_tests::move_piece_test ... ok
[INFO] [stdout] test checkers::check_tests::no_winner_test ... ok
[INFO] [stdout] test checkers::check_tests::print_board_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::board_not_full2_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::new_tic_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::print_piece_empty_tic_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::print_piece_o_tic_test ... ok
[INFO] [stdout] test connect4::con_tests::win_vert_con_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::print_piece_x_tic_test ... ok
[INFO] [stdout] test general_game::gen_game_tests::x_check ... ok
[INFO] [stdout] test tictactoe::tic_tests::store_tic_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::valid_tic_test ... ok
[INFO] [stdout] test tictactoe::tic_tests::invalid_tic_test ... ok
[INFO] [stdout] test general_game::gen_game_tests::o_printcheck ... ok
[INFO] [stdout] test connect4::con_tests::vert_test ... ok
[INFO] [stdout] test connect4::con_tests::win_horiz_con_test ... ok
[INFO] [stdout] test general_game::gen_game_tests::x_printcheck ... ok
[INFO] [stdout] test tictactoe::tic_tests::board_not_full_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/heuristic_game_tree-e7a454c09eb73eca
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test start_tests::choose_game_check ... ok
[INFO] [stdout] test start_tests::difficulty_basic_wrong_input ... ok
[INFO] [stdout] test start_tests::difficulty_basic_no_input ... ok
[INFO] [stdout] test start_tests::choose_game_tic ... ok
[INFO] [stdout] test start_tests::difficulty_capital ... ok
[INFO] [stdout] test start_tests::difficulty_basic_easy ... ok
[INFO] [stdout] test start_tests::choose_game_check_cap ... ok
[INFO] [stdout] test start_tests::choose_game_con ... ok
[INFO] [stdout] test start_tests::difficulty_basic_med ... ok
[INFO] [stdout] test start_tests::difficulty_basic_hard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests heuristic_game_tree
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - HeuristicGameTree (line 22) ... ok
[INFO] [stdout] test src/minimax.rs - minimax::minimax_search (line 29) ... ok
[INFO] [stdout] test src/general_game.rs - general_game::print_piece (line 52) ... ok
[INFO] [stdout] test src/general_game.rs - general_game::print_piece (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ca17014ba1e94a15920b328bc52cad6ed87a64ec9693cfd2d1c0f81e0ece8a47"`
[INFO] running `"docker" "rm" "-f" "ca17014ba1e94a15920b328bc52cad6ed87a64ec9693cfd2d1c0f81e0ece8a47"`
[INFO] [stdout] ca17014ba1e94a15920b328bc52cad6ed87a64ec9693cfd2d1c0f81e0ece8a47