[INFO] cloning repository https://github.com/kawashige/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/kawashige/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7cf14efaaed3dc021c4a103c39135885d9181d
[INFO] testing kawashige/leetcode-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawashige/leetcode-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kawashige/leetcode-rust
[INFO] finished tweaking git repo https://github.com/kawashige/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/kawashige/leetcode-rust written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/kawashige/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c380ffd58b1600384c7febbe5e7909063285ff663cb3cdc97eafe2ab4772167
[INFO] running `Command { std: "docker" "start" "-a" "6c380ffd58b1600384c7febbe5e7909063285ff663cb3cdc97eafe2ab4772167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c380ffd58b1600384c7febbe5e7909063285ff663cb3cdc97eafe2ab4772167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c380ffd58b1600384c7febbe5e7909063285ff663cb3cdc97eafe2ab4772167", kill_on_drop: false }`
[INFO] [stdout] 6c380ffd58b1600384c7febbe5e7909063285ff663cb3cdc97eafe2ab4772167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcdc0478b29732c0e1f762379321764ae63cc498977f2069bd0cde3b316dc310
[INFO] running `Command { std: "docker" "start" "-a" "dcdc0478b29732c0e1f762379321764ae63cc498977f2069bd0cde3b316dc310", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling p0645_set_mismatch v0.1.0 (/opt/rustwide/workdir/problems/p0645_set_mismatch)
[INFO] [stderr]    Compiling p0512_longest_uncommon_subsequence_ii v0.1.0 (/opt/rustwide/workdir/problems/p0512_longest_uncommon_subsequence_ii)
[INFO] [stderr]    Compiling p0769_max_chunks_to_make_sorted v0.1.0 (/opt/rustwide/workdir/problems/p0769_max_chunks_to_make_sorted)
[INFO] [stderr]    Compiling p0884_uncommon_words_from_two_sentences v0.1.0 (/opt/rustwide/workdir/problems/p0884_uncommon_words_from_two_sentences)
[INFO] [stderr]    Compiling p0777_swap_adjacent_in_a_string v0.1.0 (/opt/rustwide/workdir/problems/p0777_swap_adjacent_in_a_string)
[INFO] [stderr]    Compiling p0872_laaf_similar_trees v0.1.0 (/opt/rustwide/workdir/problems/p0872_laaf_similar_trees)
[INFO] [stderr]    Compiling p0831_masking_personal_information v0.1.0 (/opt/rustwide/workdir/problems/p0831_masking_personal_information)
[INFO] [stderr]    Compiling day28_maximum_erasure_value v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day28_maximum_erasure_value)
[INFO] [stderr]    Compiling p0724_find_pivot_index v0.1.0 (/opt/rustwide/workdir/problems/p0724_find_pivot_index)
[INFO] [stderr]    Compiling p0515_find_largest_value_in_each_row v0.1.0 (/opt/rustwide/workdir/problems/p0515_find_largest_value_in_each_row)
[INFO] [stderr]    Compiling p0482_license_key_formatting v0.1.0 (/opt/rustwide/workdir/problems/p0482_license_key_formatting)
[INFO] [stderr]    Compiling p0641_design_circular_deque v0.1.0 (/opt/rustwide/workdir/problems/p0641_design_circular_deque)
[INFO] [stderr]    Compiling day09_jump_game_vi v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day09_jump_game_vi)
[INFO] [stderr]    Compiling p0486_predict_the_winner v0.1.0 (/opt/rustwide/workdir/problems/p0486_predict_the_winner)
[INFO] [stderr]    Compiling p0817_linked_list_components v0.1.0 (/opt/rustwide/workdir/problems/p0817_linked_list_components)
[INFO] [stderr]    Compiling p0706_design_hashmap v0.1.0 (/opt/rustwide/workdir/problems/p0706_design_hashmap)
[INFO] [stderr]    Compiling day15_valid_number v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day15_valid_number)
[INFO] [stderr]    Compiling day12_check_if_a_string_contains_all_binary_codes_of_size_k v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day12_check_if_a_string_contains_all_binary_codes_of_size_k)
[INFO] [stderr]    Compiling p0808_soup_servings v0.1.0 (/opt/rustwide/workdir/problems/p0808_soup_servings)
[INFO] [stderr]    Compiling p0581_shortest_unsorted_continuous_subarray v0.1.0 (/opt/rustwide/workdir/problems/p0581_shortest_unsorted_continuous_subarray)
[INFO] [stderr]    Compiling day19_keys_and_rooms v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day19_keys_and_rooms)
[INFO] [stderr]    Compiling day13_palindrome_pairs v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day13_palindrome_pairs)
[INFO] [stderr]    Compiling day20_design_underground_system v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day20_design_underground_system)
[INFO] [stderr]    Compiling p0500_keyboard_row v0.1.0 (/opt/rustwide/workdir/problems/p0500_keyboard_row)
[INFO] [stderr]    Compiling day24_advantage_shuffle v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day24_advantage_shuffle)
[INFO] [stderr]    Compiling p0876_middle_of_the_linked_list v0.1.0 (/opt/rustwide/workdir/problems/p0876_middle_of_the_linked_list)
[INFO] [stderr]    Compiling p0637_average_of_levels_in_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0637_average_of_levels_in_binary_tree)
[INFO] [stderr]    Compiling p0883_projection_area_of_3d_shapes v0.1.0 (/opt/rustwide/workdir/problems/p0883_projection_area_of_3d_shapes)
[INFO] [stderr]    Compiling p0541_reverse_string_ii v0.1.0 (/opt/rustwide/workdir/problems/p0541_reverse_string_ii)
[INFO] [stderr]    Compiling p0744_find_smallest_letter_greater_than_target v0.1.0 (/opt/rustwide/workdir/problems/p0744_find_smallest_letter_greater_than_target)
[INFO] [stderr]    Compiling p0553_optimal_division v0.1.0 (/opt/rustwide/workdir/problems/p0553_optimal_division)
[INFO] [stderr]    Compiling day20_swim_in_riging_water v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day20_swim_in_riging_water)
[INFO] [stderr]    Compiling p0747_largest_number_at_least_twice_of_others v0.1.0 (/opt/rustwide/workdir/problems/p0747_largest_number_at_least_twice_of_others)
[INFO] [stderr]    Compiling day13_ambiguous_coodinates v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day13_ambiguous_coodinates)
[INFO] [stderr]    Compiling p0622_design_circular_queue v0.1.0 (/opt/rustwide/workdir/problems/p0622_design_circular_queue)
[INFO] [stderr]    Compiling day26_partitioning_into_maximum_nubmer_of_deci_binary_numbers v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day26_partitioning_into_maximum_nubmer_of_deci_binary_numbers)
[INFO] [stderr]    Compiling day24_score_of_parentheses v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day24_score_of_parentheses)
[INFO] [stderr]    Compiling p0687_longest_univalue_path v0.1.0 (/opt/rustwide/workdir/problems/p0687_longest_univalue_path)
[INFO] [stderr]    Compiling day09_verifying_an_alien_dictionary v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day09_verifying_an_alien_dictionary)
[INFO] [stderr]    Compiling p0842_split_array_into_fibonacci_sequence v0.1.0 (/opt/rustwide/workdir/problems/p0842_split_array_into_fibonacci_sequence)
[INFO] [stderr]    Compiling p0779_kth_symbol_in_grammar v0.1.0 (/opt/rustwide/workdir/problems/p0779_kth_symbol_in_grammar)
[INFO] [stderr]    Compiling p0628_maximum_product_of_three_numbers v0.1.0 (/opt/rustwide/workdir/problems/p0628_maximum_product_of_three_numbers)
[INFO] [stderr]    Compiling p0766_toeplitz_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0766_toeplitz_matrix)
[INFO] [stderr]    Compiling p0652_find_duplicate_subtrees v0.1.0 (/opt/rustwide/workdir/problems/p0652_find_duplicate_subtrees)
[INFO] [stderr]    Compiling p0617_merge_two_binary_trees v0.1.0 (/opt/rustwide/workdir/problems/p0617_merge_two_binary_trees)
[INFO] [stderr]    Compiling p0540_single_emenet_in_a_sorted_array v0.1.0 (/opt/rustwide/workdir/problems/p0540_single_emenet_in_a_sorted_array)
[INFO] [stderr]    Compiling day21_find_and_replace_pattern v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day21_find_and_replace_pattern)
[INFO] [stderr]    Compiling day01_gray_code v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day01_gray_code)
[INFO] [stderr]    Compiling p0481_magical_string v0.1.0 (/opt/rustwide/workdir/problems/p0481_magical_string)
[INFO] [stderr]    Compiling p0662_maximum_witdh_of_binery_tree v0.1.0 (/opt/rustwide/workdir/problems/p0662_maximum_witdh_of_binery_tree)
[INFO] [stderr]    Compiling day26_count_of_smaller_numbers_after_self v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day26_count_of_smaller_numbers_after_self)
[INFO] [stderr]    Compiling p0670_maximum_swap v0.1.0 (/opt/rustwide/workdir/problems/p0670_maximum_swap)
[INFO] [stderr]    Compiling day14_swapping_nodes_in_a_linked_list v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day14_swapping_nodes_in_a_linked_list)
[INFO] [stderr]    Compiling p0896_monotonic_array v0.1.0 (/opt/rustwide/workdir/problems/p0896_monotonic_array)
[INFO] [stderr]    Compiling p0547_number_of_provinces v0.1.0 (/opt/rustwide/workdir/problems/p0547_number_of_provinces)
[INFO] [stderr]    Compiling p0802_find_eventual_safe_states v0.1.0 (/opt/rustwide/workdir/problems/p0802_find_eventual_safe_states)
[INFO] [stderr]    Compiling p0722_remove_comments v0.1.0 (/opt/rustwide/workdir/problems/p0722_remove_comments)
[INFO] [stderr]    Compiling day30_russian_doll_envelopes v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day30_russian_doll_envelopes)
[INFO] [stderr]    Compiling day29_max_consecutive_ones_iii v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day29_max_consecutive_ones_iii)
[INFO] [stderr]    Compiling day04_count_vowels_permutation v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day04_count_vowels_permutation)
[INFO] [stderr]    Compiling p0509_fibonacci_number v0.1.0 (/opt/rustwide/workdir/problems/p0509_fibonacci_number)
[INFO] [stderr]    Compiling p0496_next_greater_element_i v0.1.0 (/opt/rustwide/workdir/problems/p0496_next_greater_element_i)
[INFO] [stderr]    Compiling day12_number_of_steps_to_reduce_a_number_to_zero v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day12_number_of_steps_to_reduce_a_number_to_zero)
[INFO] [stderr]    Compiling p0657_robot_return_to_origin v0.1.0 (/opt/rustwide/workdir/problems/p0657_robot_return_to_origin)
[INFO] [stderr]    Compiling p0873_length_of_longest_fibonacci_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0873_length_of_longest_fibonacci_subsequence)
[INFO] [stderr]    Compiling p0653_two_sum_iv_input_is_a_bst v0.1.0 (/opt/rustwide/workdir/problems/p0653_two_sum_iv_input_is_a_bst)
[INFO] [stderr]    Compiling p0746_min_cost_climbing_stairs v0.1.0 (/opt/rustwide/workdir/problems/p0746_min_cost_climbing_stairs)
[INFO] [stderr]    Compiling p0791_custom_sort_string v0.1.0 (/opt/rustwide/workdir/problems/p0791_custom_sort_string)
[INFO] [stderr]    Compiling p0648_replace_words v0.1.0 (/opt/rustwide/workdir/problems/p0648_replace_words)
[INFO] [stderr]    Compiling p0771_jewels_and_stones v0.1.0 (/opt/rustwide/workdir/problems/p0771_jewels_and_stones)
[INFO] [stderr]    Compiling p0654_maximum_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0654_maximum_binary_tree)
[INFO] [stderr]    Compiling p0756_pyramid_transition_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0756_pyramid_transition_matrix)
[INFO] [stderr]    Compiling day31_trapping_rain_water v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day31_trapping_rain_water)
[INFO] [stderr]    Compiling day10_decode_ways_ii v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day10_decode_ways_ii)
[INFO] [stderr]    Compiling day03_running_sum_of_1d_array v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day03_running_sum_of_1d_array)
[INFO] [stderr]    Compiling day07_shortest_distance_to_character v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day07_shortest_distance_to_character)
[INFO] [stderr]    Compiling day09_longest_increaseing_subsequence v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day09_longest_increaseing_subsequence)
[INFO] [stderr]    Compiling p0684_redundant_connection v0.1.0 (/opt/rustwide/workdir/problems/p0684_redundant_connection)
[INFO] [stderr]    Compiling p0898_bitwise_ors_of_subarrays v0.1.0 (/opt/rustwide/workdir/problems/p0898_bitwise_ors_of_subarrays)
[INFO] [stderr]    Compiling day12_minimum_number_of_refueling_stops v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day12_minimum_number_of_refueling_stops)
[INFO] [stderr]    Compiling day21_broken_calculator v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day21_broken_calculator)
[INFO] [stderr]    Compiling p0661_image_smoother v0.1.0 (/opt/rustwide/workdir/problems/p0661_image_smoother)
[INFO] [stderr]    Compiling p0606_construct_string_from_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0606_construct_string_from_binary_tree)
[INFO] [stderr]    Compiling p0813_largest_sum_of_averages v0.1.0 (/opt/rustwide/workdir/problems/p0813_largest_sum_of_averages)
[INFO] [stderr]    Compiling p0797_all_paths_from_source_to_target v0.1.0 (/opt/rustwide/workdir/problems/p0797_all_paths_from_source_to_target)
[INFO] [stderr]    Compiling day01_making_a_large_island v0.1.0 (/opt/rustwide/workdir/august_leetcoding_challenge_2021/day01_making_a_large_island)
[INFO] [stderr]    Compiling p0893_groups_of_special_equivalent_strings v0.1.0 (/opt/rustwide/workdir/problems/p0893_groups_of_special_equivalent_strings)
[INFO] [stderr]    Compiling p0680_valid_palindrome_ii v0.1.0 (/opt/rustwide/workdir/problems/p0680_valid_palindrome_ii)
[INFO] [stderr]    Compiling p0867_transpose_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0867_transpose_matrix)
[INFO] [stderr]    Compiling p0491_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0491_increasing_subsequence)
[INFO] [stderr]    Compiling day30_maximum_gap v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day30_maximum_gap)
[INFO] [stderr]    Compiling p0703_kth_largest_element_in_a_stream v0.1.0 (/opt/rustwide/workdir/problems/p0703_kth_largest_element_in_a_stream)
[INFO] [stderr]    Compiling p0658_find_k_closest_elements v0.1.0 (/opt/rustwide/workdir/problems/p0658_find_k_closest_elements)
[INFO] [stderr]    Compiling p0516_longest_palindromic_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0516_longest_palindromic_subsequence)
[INFO] [stderr]    Compiling p0475_heaters v0.1.0 (/opt/rustwide/workdir/problems/p0475_heaters)
[INFO] [stderr]    Compiling day17_number_of_submatrices_that_sum_to_target v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day17_number_of_submatrices_that_sum_to_target)
[INFO] [stderr]    Compiling day03_longest_valid_parentheses v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day03_longest_valid_parentheses)
[INFO] [stderr]    Compiling p0646_maximum_length_of_pair_chain v0.1.0 (/opt/rustwide/workdir/problems/p0646_maximum_length_of_pair_chain)
[INFO] [stderr]    Compiling day28_maximum_frequency_stack v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day28_maximum_frequency_stack)
[INFO] [stderr]    Compiling p0886_possible_bipartition v0.1.0 (/opt/rustwide/workdir/problems/p0886_possible_bipartition)
[INFO] [stderr]    Compiling p0506_relative_ranks v0.1.0 (/opt/rustwide/workdir/problems/p0506_relative_ranks)
[INFO] [stderr]    Compiling p0874_walking_robot_simulation v0.1.0 (/opt/rustwide/workdir/problems/p0874_walking_robot_simulation)
[INFO] [stderr]    Compiling p0819_most_common_word v0.1.0 (/opt/rustwide/workdir/problems/p0819_most_common_word)
[INFO] [stderr]    Compiling p0822_card_flipping_game v0.1.0 (/opt/rustwide/workdir/problems/p0822_card_flipping_game)
[INFO] [stderr]    Compiling p0863_all_nodes_distance_k_in_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0863_all_nodes_distance_k_in_binary_tree)
[INFO] [stderr]    Compiling p0575_distribute_candies v0.1.0 (/opt/rustwide/workdir/problems/p0575_distribute_candies)
[INFO] [stderr]    Compiling p0551_student_attendance_record_i v0.1.0 (/opt/rustwide/workdir/problems/p0551_student_attendance_record_i)
[INFO] [stderr]    Compiling day14_maximum_units_in_a_truck v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day14_maximum_units_in_a_truck)
[INFO] [stderr]    Compiling p0686_repeated_string_match v0.1.0 (/opt/rustwide/workdir/problems/p0686_repeated_string_match)
[INFO] [stderr]    Compiling p0667_beautiful_arrangement_ii v0.1.0 (/opt/rustwide/workdir/problems/p0667_beautiful_arrangement_ii)
[INFO] [stderr]    Compiling p0621_task_scheduler v0.1.0 (/opt/rustwide/workdir/problems/p0621_task_scheduler)
[INFO] [stderr]    Compiling day27_candy v0.1.0 (/opt/rustwide/workdir/june_leetcoding_challenge_2021/day27_candy)
[INFO] [stderr]    Compiling day22_parition_array_into_disjoint_intervals v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day22_parition_array_into_disjoint_intervals)
[INFO] [stderr]    Compiling p0594_longest_harmonious_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0594_longest_harmonious_subsequence)
[INFO] [stderr]    Compiling day30_powerful_integers v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day30_powerful_integers)
[INFO] [stderr]    Compiling day06_short_encoding_of_words v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day06_short_encoding_of_words)
[INFO] [stderr]    Compiling p0623_add_one_row_to_tree v0.1.0 (/opt/rustwide/workdir/problems/p0623_add_one_row_to_tree)
[INFO] [stderr]    Compiling day26_word_subsets v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day26_word_subsets)
[INFO] [stderr]    Compiling p0647_palindromic_substrings v0.1.0 (/opt/rustwide/workdir/problems/p0647_palindromic_substrings)
[INFO] [stderr]    Compiling p0638_shopping_offers v0.1.0 (/opt/rustwide/workdir/problems/p0638_shopping_offers)
[INFO] [stderr]    Compiling p0567_permutation_in_string v0.1.0 (/opt/rustwide/workdir/problems/p0567_permutation_in_string)
[INFO] [stderr]    Compiling p0655_print_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0655_print_binary_tree)
[INFO] [stderr]    Compiling day07_determine_if_string_halves_are_alike v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day07_determine_if_string_halves_are_alike)
[INFO] [stderr]    Compiling p0494_target_sum v0.1.0 (/opt/rustwide/workdir/problems/p0494_target_sum)
[INFO] [stderr]    Compiling day22_n_queens v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day22_n_queens)
[INFO] [stdout] warning: struct is never constructed: `MyHashMap`
[INFO] [stdout]  --> problems/p0706_design_hashmap/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyHashMap {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `SIZE`
[INFO] [stdout]   --> problems/p0706_design_hashmap/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     const SIZE: usize = 10_000;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0876_middle_of_the_linked_list/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0706_design_hashmap/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0473_matchsticks_to_square v0.1.0 (/opt/rustwide/workdir/problems/p0473_matchsticks_to_square)
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]   --> problems/p0706_design_hashmap/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn put(&mut self, key: i32, value: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0706_design_hashmap/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get(&self, key: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> problems/p0706_design_hashmap/src/lib.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn remove(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0557_reverse_words_in_a_string_iii v0.1.0 (/opt/rustwide/workdir/problems/p0557_reverse_words_in_a_string_iii)
[INFO] [stderr]    Compiling day06_reduce_array_size_to_the_half v0.1.0 (/opt/rustwide/workdir/july_leetcoding_challenge_2021/day06_reduce_array_size_to_the_half)
[INFO] [stdout] warning: struct is never constructed: `FreqStack`
[INFO] [stdout]  --> february_leetcoding_challenge_2021/day28_maximum_frequency_stack/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct FreqStack {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> february_leetcoding_challenge_2021/day28_maximum_frequency_stack/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> february_leetcoding_challenge_2021/day28_maximum_frequency_stack/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> february_leetcoding_challenge_2021/day28_maximum_frequency_stack/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0739_daily_temperatures v0.1.0 (/opt/rustwide/workdir/problems/p0739_daily_temperatures)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0463_island_perimeter v0.1.0 (/opt/rustwide/workdir/problems/p0463_island_perimeter)
[INFO] [stderr]    Compiling p0888_fair_candy_swap v0.1.0 (/opt/rustwide/workdir/problems/p0888_fair_candy_swap)
[INFO] [stderr] error: could not compile `p0884_uncommon_words_from_two_sentences`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name p0884_uncommon_words_from_two_sentences --edition=2018 problems/p0884_uncommon_words_from_two_sentences/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c2ca6480e896950d -C extra-filename=-c2ca6480e896950d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `KthLargest`
[INFO] [stdout]  --> problems/p0703_kth_largest_element_in_a_stream/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct KthLargest {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0703_kth_largest_element_in_a_stream/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(k: i32, nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> problems/p0703_kth_largest_element_in_a_stream/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn add(&mut self, val: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `checked_in`
[INFO] [stdout]  --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     checked_in: HashMap<i32, (String, i32)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `travels`
[INFO] [stdout]  --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     travels: HashMap<(String, String), (i64, usize)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_in`
[INFO] [stdout]   --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn check_in(&mut self, id: i32, station_name: String, t: i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_out`
[INFO] [stdout]   --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn check_out(&mut self, id: i32, station_name: String, t: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_average_time`
[INFO] [stdout]   --> march_leetcoding_challenge_2021/day20_design_underground_system/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_average_time(&self, start_station: String, end_station: String) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0817_linked_list_components/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyCircularDeque`
[INFO] [stdout]  --> problems/p0641_design_circular_deque/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyCircularDeque {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(k: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_front`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn insert_front(&mut self, value: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_last`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn insert_last(&mut self, value: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_front`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn delete_front(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_last`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn delete_last(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_front`
[INFO] [stdout]   --> problems/p0641_design_circular_deque/src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_front(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rear`
[INFO] [stdout]    --> problems/p0641_design_circular_deque/src/lib.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn get_rear(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> problems/p0641_design_circular_deque/src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]    --> problems/p0641_design_circular_deque/src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn is_full(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(k: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `en_queue`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn en_queue(&mut self, value: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `de_queue`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn de_queue(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `front`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn front(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rear`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn rear(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]   --> problems/p0622_design_circular_queue/src/lib.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn is_full(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dcdc0478b29732c0e1f762379321764ae63cc498977f2069bd0cde3b316dc310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdc0478b29732c0e1f762379321764ae63cc498977f2069bd0cde3b316dc310", kill_on_drop: false }`
[INFO] [stdout] dcdc0478b29732c0e1f762379321764ae63cc498977f2069bd0cde3b316dc310
