[INFO] cloning repository https://github.com/NavyD/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NavyD/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6c3bd40e91b650d03edc93f700cd8cd36de90fa
[INFO] testing NavyD/leetcode-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NavyD/leetcode-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] finished tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/NavyD/leetcode-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] dd709e1722c5e5c4896f5cd6131c50e6367a4c70deb2be5ea37bfacc0fa822f6
[INFO] running `Command { std: "docker" "start" "-a" "dd709e1722c5e5c4896f5cd6131c50e6367a4c70deb2be5ea37bfacc0fa822f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd709e1722c5e5c4896f5cd6131c50e6367a4c70deb2be5ea37bfacc0fa822f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd709e1722c5e5c4896f5cd6131c50e6367a4c70deb2be5ea37bfacc0fa822f6", kill_on_drop: false }`
[INFO] [stdout] dd709e1722c5e5c4896f5cd6131c50e6367a4c70deb2be5ea37bfacc0fa822f6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4e74e6f47e1d8c910135aff2d47a557529f0df846fd277ca86963b6172e1ef1
[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" "b4e74e6f47e1d8c910135aff2d47a557529f0df846fd277ca86963b6172e1ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling leetcode_test v0.1.2
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "b4e74e6f47e1d8c910135aff2d47a557529f0df846fd277ca86963b6172e1ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e74e6f47e1d8c910135aff2d47a557529f0df846fd277ca86963b6172e1ef1", kill_on_drop: false }`
[INFO] [stdout] b4e74e6f47e1d8c910135aff2d47a557529f0df846fd277ca86963b6172e1ef1
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] dd3b51701575002431c77c0f9660e870615528044011e40a61c4e3e4ce36dfca
[INFO] running `Command { std: "docker" "start" "-a" "dd3b51701575002431c77c0f9660e870615528044011e40a61c4e3e4ce36dfca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `Command { std: "docker" "inspect" "dd3b51701575002431c77c0f9660e870615528044011e40a61c4e3e4ce36dfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3b51701575002431c77c0f9660e870615528044011e40a61c4e3e4ce36dfca", kill_on_drop: false }`
[INFO] [stdout] dd3b51701575002431c77c0f9660e870615528044011e40a61c4e3e4ce36dfca
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] b8f95694a4863491c580353f7876ec54150d0ff230ad65f8fa4632b5a1277a07
[INFO] running `Command { std: "docker" "start" "-a" "b8f95694a4863491c580353f7876ec54150d0ff230ad65f8fa4632b5a1277a07", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-5369dc1026f37e7a)
[INFO] [stdout] 
[INFO] [stdout] running 120 tests
[INFO] [stdout] test climbing_stairs::tests::basics ... ok
[INFO] [stdout] test coin_change::tests::basic ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_iv::tests::basics ... ok
[INFO] [stdout] test binary_tree_preorder_traversal::tests::basics ... ok
[INFO] [stdout] test assign_cookies::tests::basic ... ok
[INFO] [stdout] test binary_tree_postorder_traversal::tests::basics ... ok
[INFO] [stdout] test count_of_smaller_numbers_after_self::tests::test_solution_by_violent ... ok
[INFO] [stdout] test coin_change_2::tests::basic ... ok
[INFO] [stdout] test decode_ways::tests::basics ... ok
[INFO] [stdout] test combinations::tests::basic ... ok
[INFO] [stdout] test count_of_smaller_numbers_after_self::tests::test_solution_by_merge_sort ... ok
[INFO] [stdout] test construct_binary_tree_from_preorder_and_inorder_traversal::tests::basic ... ok
[INFO] [stdout] test container_with_most_water::my_solution::tests::basics ... ok
[INFO] [stdout] test count_of_range_sum::tests::test_solution_by_violent_sum ... ok
[INFO] [stdout] test find_largest_value_in_each_tree_row::tests::basic ... ok
[INFO] [stdout] test binary_tree_level_order_traversal::tests::basic ... ok
[INFO] [stdout] test find_mode_in_binary_search_tree::solution_dfs::tests::basic_solution_dfs ... ok
[INFO] [stdout] test fibonacci_number::tests::basic ... ok
[INFO] [stdout] test find_minimum_in_rotated_sorted_array::tests::basic ... ok
[INFO] [stdout] test frog_jump::tests::basics ... ok
[INFO] [stdout] test group_anagrams::tests::basics ... ok
[INFO] [stdout] test design_circular_deque::solution_array::tests::basics ... ok
[INFO] [stdout] test helper::tests::basic_is_included_vec ... ok
[INFO] [stdout] test helper::tests::basic_str_to_vec ... ok
[INFO] [stdout] test helper::tests::basic_vec_to_tree ... ok
[INFO] [stdout] test helper::utils::tests::basic ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock::tests::basic ... ok
[INFO] [stdout] test house_robber::tests::basics ... ok
[INFO] [stdout] test house_robber_ii::tests::basics ... ok
[INFO] [stdout] test container_with_most_water::solution_double_pointer::tests::basics ... ok
[INFO] [stdout] test invert_binary_tree::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_greedy::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_two_pointers::tests::basics ... ok
[INFO] [stdout] test divisor_game::solution_induction::tests::basics ... ok
[INFO] [stdout] test count_of_range_sum::tests::test_solution_by_merge_sort_sum ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_stack_sentinel::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_dp::tests::basics ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_iii::tests::basic ... ok
[INFO] [stdout] test edit_distance::tests::basic ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_violent_width::tests::basics ... ok
[INFO] [stdout] test longest_common_subsequence::tests::basic ... ok
[INFO] [stdout] test letter_combinations_of_a_phone_number::tests::basic ... ok
[INFO] [stdout] test longest_palindromic_substring::tests::basics ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_ii::tests::basic ... ok
[INFO] [stdout] test find_mode_in_binary_search_tree::solution_dfs_follow_up::tests::basic_solution_dfs_follow_up ... ok
[INFO] [stdout] test majority_element::tests::basic ... ok
[INFO] [stdout] test generate_parentheses::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_monotonous_stack::tests::basics ... ok
[INFO] [stdout] test lowest_common_ancestor_of_a_binary_tree::tests::basics ... ok
[INFO] [stdout] test jump_game::tests::basic ... ok
[INFO] [stdout] test lemonade_change::tests::basic ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::basics ... ok
[INFO] [stdout] test maximum_depth_of_binary_tree::tests::basics ... ok
[INFO] [stdout] test maximal_square::tests::basics ... ok
[INFO] [stdout] test max_sum_of_rectangle_no_larger_than_k::tests::basics ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_with_cooldown::tests::basic ... ok
[INFO] [stdout] test binary_tree_inorder_traversal::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_violent_height::tests::basics ... ok
[INFO] [stdout] test jump_game_ii::tests::basic ... ok
[INFO] [stdout] test maximum_product_subarray::tests::basic ... ok
[INFO] [stdout] test merge_sorted_array::solution_backward::tests::basics ... ok
[INFO] [stdout] test maximum_profit_in_job_scheduling::solution_dp::tests::basics ... ok
[INFO] [stdout] test minimum_path_sum::tests::basics ... ok
[INFO] [stdout] test move_zeroes::my_solution::tests::basics ... ok
[INFO] [stdout] test number_of_islands::tests::basic ... ok
[INFO] [stdout] test move_zeroes::solution_simple::tests::basics ... ok
[INFO] [stdout] test maximum_subarray::tests::basics ... ok
[INFO] [stdout] test perfect_squares::tests::basic ... ok
[INFO] [stdout] test merge_two_sorted_lists::solution_recursive::tests::basics ... ok
[INFO] [stdout] test powx_n::tests::basic ... ok
[INFO] [stdout] test plus_one::solution_iterative::tests::basics ... ok
[INFO] [stdout] test minimum_genetic_mutation::tests::basic ... ok
[INFO] [stdout] test merge_sorted_array::solution_forward::tests::basics ... ok
[INFO] [stdout] test permutations_ii::tests::basics ... ok
[INFO] [stdout] test minimum_depth_of_binary_tree::tests::basics ... ok
[INFO] [stdout] test reverse_linked_list::solution_recursive::tests::basics ... ok
[INFO] [stdout] test reverse_nodes_in_k_group::solution_recursive::tests::basics ... ok
[INFO] [stdout] test random_pick_with_blacklist::solution_map::tests::basics ... ok
[INFO] [stdout] test range_sum_query_immutable::solution_dp_less::tests::basics ... ok
[INFO] [stdout] test range_sum_query_immutable::solution_dp::tests::basics ... ok
[INFO] [stdout] test reverse_pairs::tests::solution_by_violent ... ok
[INFO] [stdout] test remove_duplicates_from_sorted_array::solution_double_pointer::tests::basics ... ok
[INFO] [stdout] test reverse_linked_list::solution_points::tests::basics ... ok
[INFO] [stdout] test reverse_pairs::tests::solution_by_bit ... ok
[INFO] [stdout] test rotate_array::solution_reverse::tests::basics ... ok
[INFO] [stdout] test rotate_array::solution_ring::tests::basics ... ok
[INFO] [stdout] test reverse_pairs::tests::solution_by_merge_sort ... ok
[INFO] [stdout] test search_a_2d_matrix::tests::basic ... ok
[INFO] [stdout] test search_in_rotated_sorted_array::tests::basic ... ok
[INFO] [stdout] test serialize_and_deserialize_binary_tree::solution_bfs::tests::basics ... ok
[INFO] [stdout] test rotate_array::solution_copy::tests::basics ... ok
[INFO] [stdout] test serialize_and_deserialize_binary_tree::solution_dfs::tests::basics ... ok
[INFO] [stdout] test sliding_window_maximum::solution_violent::tests::basics ... ok
[INFO] [stdout] test sqrtx::tests::basic ... ok
[INFO] [stdout] test sliding_window_maximum::solution_monotonic_queue::tests::basics ... ok
[INFO] [stdout] test three_sum::solution_sort::tests::basics ... ok
[INFO] [stdout] test sort_an_array::tests::basics ... ok
[INFO] [stdout] test subsets::tests::basic ... ok
[INFO] [stdout] test triangle::tests::basic ... ok
[INFO] [stdout] test two_sum::solution_force::tests::basics ... ok
[INFO] [stdout] test unique_paths::tests::basic ... ok
[INFO] [stdout] test two_sum::solution_hash::tests::basics ... ok
[INFO] [stdout] test trapping_rain_water::tests::basics ... ok
[INFO] [stdout] test unique_paths_ii::tests::basics ... ok
[INFO] [stdout] test valid_parentheses::solution_my::tests::basics ... ok
[INFO] [stdout] test valid_anagram::tests::basics ... ok
[INFO] [stdout] test valid_parentheses::solution_stack::tests::basics ... ok
[INFO] [stdout] test min_cost_climbing_stairs::solution_dp::tests::basics ... ok
[INFO] [stdout] test merge_sorted_array::solution_sort::tests::basics ... ok
[INFO] [stdout] test merge_two_sorted_lists::solution_iterative::tests::basics ... ok
[INFO] [stdout] test n_queens::tests::basic ... ok
[INFO] [stdout] test minesweeper::tests::basic ... ok
[INFO] [stdout] test random_pick_with_blacklist::solution_binarysearch::tests::solution_binarysearch ... ok
[INFO] [stdout] test permutations::tests::basic ... ok
[INFO] [stdout] test valid_perfect_square::tests::basic ... ok
[INFO] [stdout] test validate_binary_search_tree::tests::basics ... ok
[INFO] [stdout] test walking_robot_simulation::tests::basic ... ok
[INFO] [stdout] test helper::tests::str_to_vec_panic_with_space - should panic ... ok
[INFO] [stdout] test word_ladder::tests::basic ... ok
[INFO] [stdout] test word_ladder_ii::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 120 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode-rust
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name leetcode_rust --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern embed_doc_image=/opt/rustwide/target/debug/deps/libembed_doc_image-af52fcbefff562f2.so --extern leetcode_rust=/opt/rustwide/target/debug/deps/libleetcode_rust-e9476519d8ff3d07.rlib --extern leetcode_prelude=/opt/rustwide/target/debug/deps/libleetcode_prelude-12111b55e2d8cdce.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-322097a04f4b8231.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b8f95694a4863491c580353f7876ec54150d0ff230ad65f8fa4632b5a1277a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f95694a4863491c580353f7876ec54150d0ff230ad65f8fa4632b5a1277a07", kill_on_drop: false }`
[INFO] [stdout] b8f95694a4863491c580353f7876ec54150d0ff230ad65f8fa4632b5a1277a07