[INFO] updating cached repository https://github.com/rachelseng/rust_HeuristicGameTree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 179d23549cb1ef90bf74401d4f2bd5512919e801 [INFO] testing rachelseng/rust_HeuristicGameTree against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachelseng%2Frust_HeuristicGameTree" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rachelseng/rust_HeuristicGameTree on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-1/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] de9679ded48e081f75b03daaa070f836b4bcdea44ebd980966d361c3c7615af2 [INFO] running `"docker" "start" "-a" "de9679ded48e081f75b03daaa070f836b4bcdea44ebd980966d361c3c7615af2"` [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)> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `"docker" "inspect" "de9679ded48e081f75b03daaa070f836b4bcdea44ebd980966d361c3c7615af2"` [INFO] running `"docker" "rm" "-f" "de9679ded48e081f75b03daaa070f836b4bcdea44ebd980966d361c3c7615af2"` [INFO] [stdout] de9679ded48e081f75b03daaa070f836b4bcdea44ebd980966d361c3c7615af2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 2a6a7ab26d3dc7bd08618d057cb2809b03b92690ac3faaaac55197143bf8b5f4 [INFO] running `"docker" "start" "-a" "2a6a7ab26d3dc7bd08618d057cb2809b03b92690ac3faaaac55197143bf8b5f4"` [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)> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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)> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `"docker" "inspect" "2a6a7ab26d3dc7bd08618d057cb2809b03b92690ac3faaaac55197143bf8b5f4"` [INFO] running `"docker" "rm" "-f" "2a6a7ab26d3dc7bd08618d057cb2809b03b92690ac3faaaac55197143bf8b5f4"` [INFO] [stdout] 2a6a7ab26d3dc7bd08618d057cb2809b03b92690ac3faaaac55197143bf8b5f4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 215d0873acabc8ba50f8e36df1ef125a1b6f17433547a2f0b08e7b255dc2eac8 [INFO] running `"docker" "start" "-a" "215d0873acabc8ba50f8e36df1ef125a1b6f17433547a2f0b08e7b255dc2eac8"` [INFO] [stderr] Blocking waiting for file lock on package cache [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)> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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)> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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 + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/heuristic_game_tree-f7632985f8979bf9 [INFO] [stdout] [INFO] [stdout] running 37 tests [INFO] [stdout] test checkers::check_tests::force_repeated_jump_test ... ok [INFO] [stdout] test checkers::check_tests::force_jump_test ... ok [INFO] [stdout] test checkers::check_tests::jump_piece_test ... ok [INFO] [stdout] test checkers::check_tests::heuristic_test ... ok [INFO] [stdout] test checkers::check_tests::invalid_move_test ... ok [INFO] [stdout] test checkers::check_tests::move_piece_test ... ok [INFO] [stdout] test checkers::check_tests::make_kings_test ... ok [INFO] [stdout] test checkers::check_tests::no_winner_test ... ok [INFO] [stdout] test checkers::check_tests::valid_move_test ... ok [INFO] [stdout] test connect4::con_tests::board_not_full_test ... ok [INFO] [stdout] test checkers::check_tests::print_board_test ... ok [INFO] [stdout] test connect4::con_tests::horiz_test ... ok [INFO] [stdout] test connect4::con_tests::ldiag_test ... ok [INFO] [stdout] test connect4::con_tests::invalid_con_test ... ok [INFO] [stdout] test connect4::con_tests::board_not_full2_test ... ok [INFO] [stdout] test connect4::con_tests::lose_con_test ... ok [INFO] [stdout] test connect4::con_tests::new_con_test ... ok [INFO] [stdout] test connect4::con_tests::vert_test ... ok [INFO] [stdout] test connect4::con_tests::validrow_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::print_piece_x_con_test ... ok [INFO] [stdout] test connect4::con_tests::valid_con_test ... ok [INFO] [stdout] test tictactoe::tic_tests::new_tic_test ... ok [INFO] [stdout] test connect4::con_tests::win_vert_con_test ... ok [INFO] [stdout] test general_game::gen_game_tests::o_printcheck ... ok [INFO] [stdout] test general_game::gen_game_tests::x_check ... ok [INFO] [stdout] test general_game::gen_game_tests::x_printcheck ... ok [INFO] [stdout] test tictactoe::tic_tests::invalid_tic_test ... ok [INFO] [stdout] test tictactoe::tic_tests::board_not_full2_test ... ok [INFO] [stdout] test tictactoe::tic_tests::board_not_full_test ... ok [INFO] [stdout] test connect4::con_tests::win_horiz_con_test ... ok [INFO] [stdout] test tictactoe::tic_tests::print_piece_empty_tic_test ... ok [INFO] [stdout] test tictactoe::tic_tests::store_tic_test ... ok [INFO] [stdout] test tictactoe::tic_tests::print_piece_x_tic_test ... ok [INFO] [stdout] test tictactoe::tic_tests::valid_tic_test ... ok [INFO] [stdout] test tictactoe::tic_tests::print_piece_o_tic_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-75cafb73cd6282ac [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test start_tests::difficulty_basic_easy ... ok [INFO] [stdout] test start_tests::choose_game_con ... ok [INFO] [stdout] test start_tests::choose_game_check_cap ... ok [INFO] [stdout] test start_tests::choose_game_check ... ok [INFO] [stdout] test start_tests::difficulty_basic_med ... ok [INFO] [stdout] test start_tests::difficulty_basic_hard ... 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_no_input ... ok [INFO] [stdout] test start_tests::difficulty_basic_wrong_input ... ok [INFO] [stderr] Doc-tests heuristic_game_tree [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/general_game.rs - general_game::print_piece (line 52) ... ok [INFO] [stdout] test src/lib.rs - HeuristicGameTree (line 22) ... ok [INFO] [stdout] test src/general_game.rs - general_game::print_piece (line 61) ... ok [INFO] [stdout] test src/minimax.rs - minimax::minimax_search (line 29) ... 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" "215d0873acabc8ba50f8e36df1ef125a1b6f17433547a2f0b08e7b255dc2eac8"` [INFO] running `"docker" "rm" "-f" "215d0873acabc8ba50f8e36df1ef125a1b6f17433547a2f0b08e7b255dc2eac8"` [INFO] [stdout] 215d0873acabc8ba50f8e36df1ef125a1b6f17433547a2f0b08e7b255dc2eac8