[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] 9869ead05f00ab2f4303e88f7ae1fbb47a69c4a6
[INFO] building kawashige/leetcode-rust against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawashige/leetcode-rust on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-1/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8044d0de924d74bd6f9313cd25f4d5ea22521d94206ca2b0ffa827298f3ea7
[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" "6a8044d0de924d74bd6f9313cd25f4d5ea22521d94206ca2b0ffa827298f3ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8044d0de924d74bd6f9313cd25f4d5ea22521d94206ca2b0ffa827298f3ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8044d0de924d74bd6f9313cd25f4d5ea22521d94206ca2b0ffa827298f3ea7", kill_on_drop: false }`
[INFO] [stdout] 6a8044d0de924d74bd6f9313cd25f4d5ea22521d94206ca2b0ffa827298f3ea7
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d99c9e9da02c36f266c0363a4bea96dcc50f5e23872e2d535e03bfeaabfcd5a
[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" "0d99c9e9da02c36f266c0363a4bea96dcc50f5e23872e2d535e03bfeaabfcd5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling p0762_prime_number_of_set_bits_in_binary_representation v0.1.0 (/opt/rustwide/workdir/problems/p0762_prime_number_of_set_bits_in_binary_representation)
[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 p0540_single_emenet_in_a_sorted_array v0.1.0 (/opt/rustwide/workdir/problems/p0540_single_emenet_in_a_sorted_array)
[INFO] [stderr]    Compiling p0667_beautiful_arrangement_ii v0.1.0 (/opt/rustwide/workdir/problems/p0667_beautiful_arrangement_ii)
[INFO] [stderr]    Compiling day20_design_underground_system v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day20_design_underground_system)
[INFO] [stderr]    Compiling day30_maximum_gap v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day30_maximum_gap)
[INFO] [stderr]    Compiling p0501_find_mode_in_binary_search_tree v0.1.0 (/opt/rustwide/workdir/problems/p0501_find_mode_in_binary_search_tree)
[INFO] [stderr]    Compiling p0743_network_delay_time v0.1.0 (/opt/rustwide/workdir/problems/p0743_network_delay_time)
[INFO] [stderr]    Compiling p0537_complex_number_multiplication v0.1.0 (/opt/rustwide/workdir/problems/p0537_complex_number_multiplication)
[INFO] [stderr]    Compiling p0518_coin_change_2 v0.1.0 (/opt/rustwide/workdir/problems/p0518_coin_change_2)
[INFO] [stderr]    Compiling p0482_license_key_formatting v0.1.0 (/opt/rustwide/workdir/problems/p0482_license_key_formatting)
[INFO] [stderr]    Compiling p0696_count_binary_substrings v0.1.0 (/opt/rustwide/workdir/problems/p0696_count_binary_substrings)
[INFO] [stderr]    Compiling p0542_01_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0542_01_matrix)
[INFO] [stderr]    Compiling p0661_image_smoother v0.1.0 (/opt/rustwide/workdir/problems/p0661_image_smoother)
[INFO] [stderr]    Compiling p0491_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0491_increasing_subsequence)
[INFO] [stderr]    Compiling p0547_number_of_provinces v0.1.0 (/opt/rustwide/workdir/problems/p0547_number_of_provinces)
[INFO] [stderr]    Compiling day13_binary_trees_with_factors v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day13_binary_trees_with_factors)
[INFO] [stderr]    Compiling day22_n_queens v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day22_n_queens)
[INFO] [stderr]    Compiling p0599_minimum_index_sum_of_two_lists v0.1.0 (/opt/rustwide/workdir/problems/p0599_minimum_index_sum_of_two_lists)
[INFO] [stderr]    Compiling p0766_toeplitz_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0766_toeplitz_matrix)
[INFO] [stderr]    Compiling p0812_largest_triangle_area v0.1.0 (/opt/rustwide/workdir/problems/p0812_largest_triangle_area)
[INFO] [stderr]    Compiling p0609_find_duplicate_file_in_system v0.1.0 (/opt/rustwide/workdir/problems/p0609_find_duplicate_file_in_system)
[INFO] [stderr]    Compiling p0674_longest_continuouts_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0674_longest_continuouts_increasing_subsequence)
[INFO] [stderr]    Compiling p0594_longest_harmonious_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0594_longest_harmonious_subsequence)
[INFO] [stderr]    Compiling day23_find_the_shortest_superstring v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day23_find_the_shortest_superstring)
[INFO] [stderr]    Compiling p0680_valid_palindrome_ii v0.1.0 (/opt/rustwide/workdir/problems/p0680_valid_palindrome_ii)
[INFO] [stderr]    Compiling p0583_delete_operation_for_two_strings v0.1.0 (/opt/rustwide/workdir/problems/p0583_delete_operation_for_two_strings)
[INFO] [stderr]    Compiling p0554_brick_wall v0.1.0 (/opt/rustwide/workdir/problems/p0554_brick_wall)
[INFO] [stderr]    Compiling p0565_array_nesting v0.1.0 (/opt/rustwide/workdir/problems/p0565_array_nesting)
[INFO] [stderr]    Compiling p0801_minimum_swaps_to_make_sequences_increasing v0.1.0 (/opt/rustwide/workdir/problems/p0801_minimum_swaps_to_make_sequences_increasing)
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0464_can_i_win v0.1.0 (/opt/rustwide/workdir/problems/p0464_can_i_win)
[INFO] [stderr]    Compiling p0717_1_bit_and_2_bit_characters v0.1.0 (/opt/rustwide/workdir/problems/p0717_1_bit_and_2_bit_characters)
[INFO] [stderr]    Compiling p0746_min_cost_climbing_stairs v0.1.0 (/opt/rustwide/workdir/problems/p0746_min_cost_climbing_stairs)
[INFO] [stderr]    Compiling day24_critical_connections_in_a_network v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day24_critical_connections_in_a_network)
[INFO] [stderr]    Compiling p0541_reverse_string_ii v0.1.0 (/opt/rustwide/workdir/problems/p0541_reverse_string_ii)
[INFO] [stderr]    Compiling p0794_valid_tic_tac_toe_state v0.1.0 (/opt/rustwide/workdir/problems/p0794_valid_tic_tac_toe_state)
[INFO] [stderr]    Compiling p0693_binary_number_with_altenating_bits v0.1.0 (/opt/rustwide/workdir/problems/p0693_binary_number_with_altenating_bits)
[INFO] [stderr]    Compiling day21_broken_calculator v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day21_broken_calculator)
[INFO] [stderr]    Compiling p0657_robot_return_to_origin v0.1.0 (/opt/rustwide/workdir/problems/p0657_robot_return_to_origin)
[INFO] [stderr]    Compiling day15_valid_number v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day15_valid_number)
[INFO] [stderr]    Compiling day08_remove_palindromic_subsequences v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day08_remove_palindromic_subsequences)
[INFO] [stderr]    Compiling p0752_open_the_lock v0.1.0 (/opt/rustwide/workdir/problems/p0752_open_the_lock)
[INFO] [stderr]    Compiling p0643_maximum_average_subarray_i v0.1.0 (/opt/rustwide/workdir/problems/p0643_maximum_average_subarray_i)
[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 p0557_reverse_words_in_a_string_iii v0.1.0 (/opt/rustwide/workdir/problems/p0557_reverse_words_in_a_string_iii)
[INFO] [stderr]    Compiling p0756_pyramid_transition_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0756_pyramid_transition_matrix)
[INFO] [stderr]    Compiling day24_score_of_parentheses v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day24_score_of_parentheses)
[INFO] [stderr]    Compiling september_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/september_leetcoding_challenge)
[INFO] [stderr]    Compiling p0771_jewels_and_stones v0.1.0 (/opt/rustwide/workdir/problems/p0771_jewels_and_stones)
[INFO] [stderr]    Compiling day26_furthest_building_you_can_reach v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day26_furthest_building_you_can_reach)
[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 p0682_baseball_game v0.1.0 (/opt/rustwide/workdir/problems/p0682_baseball_game)
[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 p0775_global_and_local_inversions v0.1.0 (/opt/rustwide/workdir/problems/p0775_global_and_local_inversions)
[INFO] [stderr]    Compiling day17_longest_string_chain v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day17_longest_string_chain)
[INFO] [stderr]    Compiling p0697_degree_of_an_array v0.1.0 (/opt/rustwide/workdir/problems/p0697_degree_of_an_array)
[INFO] [stderr]    Compiling day30_powerful_integers v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day30_powerful_integers)
[INFO] [stderr]    Compiling day16_letter_case_permutation v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day16_letter_case_permutation)
[INFO] [stderr]    Compiling p0494_target_sum v0.1.0 (/opt/rustwide/workdir/problems/p0494_target_sum)
[INFO] [stderr]    Compiling p0506_relative_ranks v0.1.0 (/opt/rustwide/workdir/problems/p0506_relative_ranks)
[INFO] [stderr]    Compiling p0652_find_duplicate_subtrees v0.1.0 (/opt/rustwide/workdir/problems/p0652_find_duplicate_subtrees)
[INFO] [stderr]    Compiling day26_validate_stack_sequences v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day26_validate_stack_sequences)
[INFO] [stderr]    Compiling january_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/january_leetcoding_challenge)
[INFO] [stderr]    Compiling p0649_dota2_senate v0.1.0 (/opt/rustwide/workdir/problems/p0649_dota2_senate)
[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 p0525_contiguous_array v0.1.0 (/opt/rustwide/workdir/problems/p0525_contiguous_array)
[INFO] [stderr]    Compiling p0474_ones_and_zeros v0.1.0 (/opt/rustwide/workdir/problems/p0474_ones_and_zeros)
[INFO] [stderr]    Compiling p0654_maximum_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0654_maximum_binary_tree)
[INFO] [stderr]    Compiling day11_deepest_leaves_sum v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day11_deepest_leaves_sum)
[INFO] [stderr]    Compiling day08_super_palindromes v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day08_super_palindromes)
[INFO] [stderr]    Compiling p0492_construct_the_rectangle v0.1.0 (/opt/rustwide/workdir/problems/p0492_construct_the_rectangle)
[INFO] [stderr]    Compiling p0617_merge_two_binary_trees v0.1.0 (/opt/rustwide/workdir/problems/p0617_merge_two_binary_trees)
[INFO] [stderr]    Compiling p0503_next_greater_element_ii v0.1.0 (/opt/rustwide/workdir/problems/p0503_next_greater_element_ii)
[INFO] [stderr]    Compiling p0622_design_circular_queue v0.1.0 (/opt/rustwide/workdir/problems/p0622_design_circular_queue)
[INFO] [stderr]    Compiling day28_maximum_erasure_value v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day28_maximum_erasure_value)
[INFO] [stderr]    Compiling p0581_shortest_unsorted_continuous_subarray v0.1.0 (/opt/rustwide/workdir/problems/p0581_shortest_unsorted_continuous_subarray)
[INFO] [stderr]    Compiling p0807_max_increase_to_keep_city_skyline v0.1.0 (/opt/rustwide/workdir/problems/p0807_max_increase_to_keep_city_skyline)
[INFO] [stderr]    Compiling p0792_number_of_matching_subsequences v0.1.0 (/opt/rustwide/workdir/problems/p0792_number_of_matching_subsequences)
[INFO] [stderr]    Compiling p0658_find_k_closest_elements v0.1.0 (/opt/rustwide/workdir/problems/p0658_find_k_closest_elements)
[INFO] [stderr]    Compiling p0698_partition_to_k_equal_subsets v0.1.0 (/opt/rustwide/workdir/problems/p0698_partition_to_k_equal_subsets)
[INFO] [stderr]    Compiling p0764_largest_plus_sign v0.1.0 (/opt/rustwide/workdir/problems/p0764_largest_plus_sign)
[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] [stderr]    Compiling p0475_heaters v0.1.0 (/opt/rustwide/workdir/problems/p0475_heaters)
[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] [stderr]    Compiling p0686_repeated_string_match v0.1.0 (/opt/rustwide/workdir/problems/p0686_repeated_string_match)
[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 day02_course_schedule_iii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day02_course_schedule_iii)
[INFO] [stderr]    Compiling p0538_convert_bst_to_greater_tree v0.1.0 (/opt/rustwide/workdir/problems/p0538_convert_bst_to_greater_tree)
[INFO] [stderr]    Compiling day22_vowel_spellchecker v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day22_vowel_spellchecker)
[INFO] [stderr]    Compiling p0468_validate_ip_address v0.1.0 (/opt/rustwide/workdir/problems/p0468_validate_ip_address)
[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 p0500_keyboard_row v0.1.0 (/opt/rustwide/workdir/problems/p0500_keyboard_row)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0787_cheapest_flights_within_k_stops v0.1.0 (/opt/rustwide/workdir/problems/p0787_cheapest_flights_within_k_stops)
[INFO] [stderr]    Compiling day30_russian_doll_envelopes v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day30_russian_doll_envelopes)
[INFO] [stderr]    Compiling p0645_set_mismatch v0.1.0 (/opt/rustwide/workdir/problems/p0645_set_mismatch)
[INFO] [stderr]    Compiling p0476_number_complement v0.1.0 (/opt/rustwide/workdir/problems/p0476_number_complement)
[INFO] [stderr]    Compiling p0523_cotinuous_subarray_sum v0.1.0 (/opt/rustwide/workdir/problems/p0523_cotinuous_subarray_sum)
[INFO] [stderr]    Compiling p0790_domino_and_tromino_tiling v0.1.0 (/opt/rustwide/workdir/problems/p0790_domino_and_tromino_tiling)
[INFO] [stderr]    Compiling p0659_split_array_into_consecutive_subsequences v0.1.0 (/opt/rustwide/workdir/problems/p0659_split_array_into_consecutive_subsequences)
[INFO] [stderr]    Compiling p0566_reshape_the_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0566_reshape_the_matrix)
[INFO] [stderr]    Compiling p0560_subarray_sum_equals_k v0.1.0 (/opt/rustwide/workdir/problems/p0560_subarray_sum_equals_k)
[INFO] [stderr]    Compiling day09_construct_target_array_with_multiple_sums v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day09_construct_target_array_with_multiple_sums)
[INFO] [stderr]    Compiling day29_n_queens_ii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day29_n_queens_ii)
[INFO] [stderr]    Compiling p0655_print_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0655_print_binary_tree)
[INFO] [stderr]    Compiling p0707_design_linked_list v0.1.0 (/opt/rustwide/workdir/problems/p0707_design_linked_list)
[INFO] [stderr]    Compiling p0809_expressive_words v0.1.0 (/opt/rustwide/workdir/problems/p0809_expressive_words)
[INFO] [stderr]    Compiling p0650_2_keys_keyboard v0.1.0 (/opt/rustwide/workdir/problems/p0650_2_keys_keyboard)
[INFO] [stderr]    Compiling p0740_delete_and_earn v0.1.0 (/opt/rustwide/workdir/problems/p0740_delete_and_earn)
[INFO] [stderr]    Compiling p0814_binary_tree_pruning v0.1.0 (/opt/rustwide/workdir/problems/p0814_binary_tree_pruning)
[INFO] [stderr]    Compiling p0638_shopping_offers v0.1.0 (/opt/rustwide/workdir/problems/p0638_shopping_offers)
[INFO] [stderr]    Compiling p0822_card_flipping_game v0.1.0 (/opt/rustwide/workdir/problems/p0822_card_flipping_game)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub 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/p0707_design_linked_list/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, index: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_head`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn add_at_head(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_tail`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_at_tail(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn add_at_index(&mut self, index: i32, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn delete_at_index(&mut self, index: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0598_range_addition_ii v0.1.0 (/opt/rustwide/workdir/problems/p0598_range_addition_ii)
[INFO] [stderr]    Compiling p0473_matchsticks_to_square v0.1.0 (/opt/rustwide/workdir/problems/p0473_matchsticks_to_square)
[INFO] [stderr]    Compiling p0592_fraction_addition_and_subtraction v0.1.0 (/opt/rustwide/workdir/problems/p0592_fraction_addition_and_subtraction)
[INFO] [stderr]    Compiling day31_search_suggestions_system v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day31_search_suggestions_system)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day16_remove_all_adjacents_in_string_ii v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day16_remove_all_adjacents_in_string_ii)
[INFO] [stderr]    Compiling p0513_find_bottom_left_tree_value v0.1.0 (/opt/rustwide/workdir/problems/p0513_find_bottom_left_tree_value)
[INFO] [stderr]    Compiling p0670_maximum_swap v0.1.0 (/opt/rustwide/workdir/problems/p0670_maximum_swap)
[INFO] [stderr]    Compiling day31_stamping_the_sequence v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day31_stamping_the_sequence)
[INFO] [stderr]    Compiling p0485_max_consecutive_ones v0.1.0 (/opt/rustwide/workdir/problems/p0485_max_consecutive_ones)
[INFO] [stderr]    Compiling day06_minimum_operations_to_make_array_equal v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day06_minimum_operations_to_make_array_equal)
[INFO] [stderr]    Compiling p0718_maximum_length_of_repeated_subarray v0.1.0 (/opt/rustwide/workdir/problems/p0718_maximum_length_of_repeated_subarray)
[INFO] [stderr]    Compiling day03_longest_valid_parentheses v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day03_longest_valid_parentheses)
[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 p0729_my_calendar_i v0.1.0 (/opt/rustwide/workdir/problems/p0729_my_calendar_i)
[INFO] [stderr]    Compiling p0678_valid_parenthesis_string v0.1.0 (/opt/rustwide/workdir/problems/p0678_valid_parenthesis_string)
[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 p0524_longest_word_in_dictionary_through_deleting v0.1.0 (/opt/rustwide/workdir/problems/p0524_longest_word_in_dictionary_through_deleting)
[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 p0695_max_area_of_island v0.1.0 (/opt/rustwide/workdir/problems/p0695_max_area_of_island)
[INFO] [stderr]    Compiling p0830_positions_of_large_groups v0.1.0 (/opt/rustwide/workdir/problems/p0830_positions_of_large_groups)
[INFO] [stderr]    Compiling p0724_find_pivot_index v0.1.0 (/opt/rustwide/workdir/problems/p0724_find_pivot_index)
[INFO] [stderr]    Compiling p0504_base_7 v0.1.0 (/opt/rustwide/workdir/problems/p0504_base_7)
[INFO] [stderr]    Compiling p0720_longest_word_in_dictionary v0.1.0 (/opt/rustwide/workdir/problems/p0720_longest_word_in_dictionary)
[INFO] [stderr]    Compiling p0817_linked_list_components v0.1.0 (/opt/rustwide/workdir/problems/p0817_linked_list_components)
[INFO] [stderr]    Compiling p0811_subdomain_visit_count v0.1.0 (/opt/rustwide/workdir/problems/p0811_subdomain_visit_count)
[INFO] [stderr]    Compiling p0640_solve_the_equation v0.1.0 (/opt/rustwide/workdir/problems/p0640_solve_the_equation)
[INFO] [stderr]    Compiling p0553_optimal_division v0.1.0 (/opt/rustwide/workdir/problems/p0553_optimal_division)
[INFO] [stderr]    Compiling p0791_custom_sort_string v0.1.0 (/opt/rustwide/workdir/problems/p0791_custom_sort_string)
[INFO] [stderr]    Compiling p0575_distribute_candies v0.1.0 (/opt/rustwide/workdir/problems/p0575_distribute_candies)
[INFO] [stdout] warning: struct is never constructed: `MyCalendar`
[INFO] [stdout]  --> problems/p0729_my_calendar_i/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyCalendar {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0767_reorganize_string v0.1.0 (/opt/rustwide/workdir/problems/p0767_reorganize_string)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0729_my_calendar_i/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `book`
[INFO] [stdout]   --> problems/p0729_my_calendar_i/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn book(&mut self, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day01_prefix_and_suffix_search v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day01_prefix_and_suffix_search)
[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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0796_rotate_string v0.1.0 (/opt/rustwide/workdir/problems/p0796_rotate_string)
[INFO] [stderr]    Compiling p0647_palindromic_substrings v0.1.0 (/opt/rustwide/workdir/problems/p0647_palindromic_substrings)
[INFO] [stderr]    Compiling p0665_non_decreasing_array v0.1.0 (/opt/rustwide/workdir/problems/p0665_non_decreasing_array)
[INFO] [stderr]    Compiling p0714_best_time_to_buy_sell_stock_with_transaction_fee v0.1.0 (/opt/rustwide/workdir/problems/p0714_best_time_to_buy_sell_stock_with_transaction_fee)
[INFO] [stderr]    Compiling p0508_most_frequent_subtree_sum v0.1.0 (/opt/rustwide/workdir/problems/p0508_most_frequent_subtree_sum)
[INFO] [stdout] warning: struct is never constructed: `Trie`
[INFO] [stdout]  --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Trie {
[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]  --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new(c: char) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn insert(&mut self, key: &str, index: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn find(&self, prefix: String) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordFilter`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct WordFilter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `f`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn f(&self, prefix: String, suffix: String) -> i32 {
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0611_valid_triangle_number v0.1.0 (/opt/rustwide/workdir/problems/p0611_valid_triangle_number)
[INFO] [stderr]    Compiling day10_longest_increasing_path_in_a_matrix v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day10_longest_increasing_path_in_a_matrix)
[INFO] [stderr]    Compiling day28_maximum_frequency_stack v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day28_maximum_frequency_stack)
[INFO] [stderr]    Compiling p0733_flood_fill v0.1.0 (/opt/rustwide/workdir/problems/p0733_flood_fill)
[INFO] [stderr]    Compiling p0621_task_scheduler v0.1.0 (/opt/rustwide/workdir/problems/p0621_task_scheduler)
[INFO] [stderr]    Compiling p0539_minimum_time_difference v0.1.0 (/opt/rustwide/workdir/problems/p0539_minimum_time_difference)
[INFO] [stderr]    Compiling p0496_next_greater_element_i v0.1.0 (/opt/rustwide/workdir/problems/p0496_next_greater_element_i)
[INFO] [stderr]    Compiling p0819_most_common_word v0.1.0 (/opt/rustwide/workdir/problems/p0819_most_common_word)
[INFO] [stderr]    Compiling p0648_replace_words v0.1.0 (/opt/rustwide/workdir/problems/p0648_replace_words)
[INFO] [stderr]    Compiling p0684_redundant_connection v0.1.0 (/opt/rustwide/workdir/problems/p0684_redundant_connection)
[INFO] [stderr]    Compiling p0676_implement_magic_dictionary v0.1.0 (/opt/rustwide/workdir/problems/p0676_implement_magic_dictionary)
[INFO] [stderr]    Compiling p0641_design_circular_deque v0.1.0 (/opt/rustwide/workdir/problems/p0641_design_circular_deque)
[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 p0521_longest_uncommon_subsequence_i v0.1.0 (/opt/rustwide/workdir/problems/p0521_longest_uncommon_subsequence_i)
[INFO] [stderr]    Compiling day11_maximum_points_you_can_obtain_from_cards v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day11_maximum_points_you_can_obtain_from_cards)
[INFO] [stderr]    Compiling p0576_out_of_boundary_paths v0.1.0 (/opt/rustwide/workdir/problems/p0576_out_of_boundary_paths)
[INFO] [stderr]    Compiling p0802_find_eventual_safe_states v0.1.0 (/opt/rustwide/workdir/problems/p0802_find_eventual_safe_states)
[INFO] [stderr]    Compiling p0709_to_lower_case v0.1.0 (/opt/rustwide/workdir/problems/p0709_to_lower_case)
[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 p0467_unique_substrings_in_wraparound_string v0.1.0 (/opt/rustwide/workdir/problems/p0467_unique_substrings_in_wraparound_string)
[INFO] [stderr]    Compiling day02_trim_a_binary_search_tree v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day02_trim_a_binary_search_tree)
[INFO] [stderr]    Compiling p0722_remove_comments v0.1.0 (/opt/rustwide/workdir/problems/p0722_remove_comments)
[INFO] [stderr]    Compiling p0706_design_hashmap v0.1.0 (/opt/rustwide/workdir/problems/p0706_design_hashmap)
[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 p0530_minimum_absolute_difference_in_bst v0.1.0 (/opt/rustwide/workdir/problems/p0530_minimum_absolute_difference_in_bst)
[INFO] [stdout] warning: struct is never constructed: `MagicDictionary`
[INFO] [stdout]  --> problems/p0676_implement_magic_dictionary/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MagicDictionary {
[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/p0676_implement_magic_dictionary/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: `build_dict`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn build_dict(&mut self, dictionary: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search(&self, search_word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serach_words`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn serach_words(s: &String) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0677_map_sum_pairs v0.1.0 (/opt/rustwide/workdir/problems/p0677_map_sum_pairs)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0777_swap_adjacent_in_a_string v0.1.0 (/opt/rustwide/workdir/problems/p0777_swap_adjacent_in_a_string)
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day26_word_subsets v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day26_word_subsets)
[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/p0706_design_hashmap/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: `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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0481_magical_string v0.1.0 (/opt/rustwide/workdir/problems/p0481_magical_string)
[INFO] [stderr]    Compiling p0633_sum_of_square_numbers v0.1.0 (/opt/rustwide/workdir/problems/p0633_sum_of_square_numbers)
[INFO] [stderr]    Compiling p0781_rabbits_in_forest v0.1.0 (/opt/rustwide/workdir/problems/p0781_rabbits_in_forest)
[INFO] [stderr]    Compiling day19_keys_and_rooms v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day19_keys_and_rooms)
[INFO] [stderr]    Compiling p0671_second_minimum_node_in_a_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0671_second_minimum_node_in_a_binary_tree)
[INFO] [stderr]    Compiling p0509_fibonacci_number v0.1.0 (/opt/rustwide/workdir/problems/p0509_fibonacci_number)
[INFO] [stderr]    Compiling p0567_permutation_in_string v0.1.0 (/opt/rustwide/workdir/problems/p0567_permutation_in_string)
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 day14_is_graph_bipartite v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day14_is_graph_bipartite)
[INFO] [stderr]    Compiling day13_shortest_path_in_binary_matrix v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day13_shortest_path_in_binary_matrix)
[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: struct is never constructed: `MapSum`
[INFO] [stdout]  --> problems/p0677_map_sum_pairs/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MapSum {
[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/p0677_map_sum_pairs/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn insert(&mut self, key: String, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn sum(&self, prefix: String) -> 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0551_student_attendance_record_i v0.1.0 (/opt/rustwide/workdir/problems/p0551_student_attendance_record_i)
[INFO] [stderr]    Compiling p0825_friends_of_appropriate_ages v0.1.0 (/opt/rustwide/workdir/problems/p0825_friends_of_appropriate_ages)
[INFO] [stderr]    Compiling p0507_perfect_number v0.1.0 (/opt/rustwide/workdir/problems/p0507_perfect_number)
[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 p0561_array_partition_i v0.1.0 (/opt/rustwide/workdir/problems/p0561_array_partition_i)
[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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0700_search_in_a_binary_search_tree v0.1.0 (/opt/rustwide/workdir/problems/p0700_search_in_a_binary_search_tree)
[INFO] [stderr]    Compiling p0636_exclusive_time_of_functions v0.1.0 (/opt/rustwide/workdir/problems/p0636_exclusive_time_of_functions)
[INFO] [stderr]    Compiling p0731_my_calendar_ii v0.1.0 (/opt/rustwide/workdir/problems/p0731_my_calendar_ii)
[INFO] [stderr]    Compiling p0692_top_k_frequent_words v0.1.0 (/opt/rustwide/workdir/problems/p0692_top_k_frequent_words)
[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 p0725_split_linked_list_in_parts v0.1.0 (/opt/rustwide/workdir/problems/p0725_split_linked_list_in_parts)
[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 p0477_total_hamming_distance v0.1.0 (/opt/rustwide/workdir/problems/p0477_total_hamming_distance)
[INFO] [stderr]    Compiling p0728_self_dividing_numbers v0.1.0 (/opt/rustwide/workdir/problems/p0728_self_dividing_numbers)
[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 p0789_escape_the_ghosts v0.1.0 (/opt/rustwide/workdir/problems/p0789_escape_the_ghosts)
[INFO] [stderr]    Compiling day16_binary_tree_cameras v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day16_binary_tree_cameras)
[INFO] [stderr]    Compiling p0813_largest_sum_of_averages v0.1.0 (/opt/rustwide/workdir/problems/p0813_largest_sum_of_averages)
[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 day23_3sum_with_multiplicity v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day23_3sum_with_multiplicity)
[INFO] [stderr]    Compiling p0486_predict_the_winner v0.1.0 (/opt/rustwide/workdir/problems/p0486_predict_the_winner)
[INFO] [stderr]    Compiling day19_minimum_remove_to_make_valid_parentheses v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day19_minimum_remove_to_make_valid_parentheses)
[INFO] [stderr]    Compiling p0543_diameter_of_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0543_diameter_of_binary_tree)
[INFO] [stderr]    Compiling p0529_minesweeper v0.1.0 (/opt/rustwide/workdir/problems/p0529_minesweeper)
[INFO] [stderr]    Compiling p0688_knight_probability_in_chessboard v0.1.0 (/opt/rustwide/workdir/problems/p0688_knight_probability_in_chessboard)
[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 day13_ambiguous_coodinates v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day13_ambiguous_coodinates)
[INFO] [stderr]    Compiling day29_flip_binary_tree_to_match_preorder_traversal v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day29_flip_binary_tree_to_match_preorder_traversal)
[INFO] [stderr]    Compiling p0687_longest_univalue_path v0.1.0 (/opt/rustwide/workdir/problems/p0687_longest_univalue_path)
[INFO] [stdout] warning: struct is never constructed: `MyCalendarTwo`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct MyCalendarTwo {
[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/p0731_my_calendar_ii/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `book`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn book(&mut self, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn check(node: &Option<Box<Node>>, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(node: &mut Option<Box<Node>>, start: i32, end: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0779_kth_symbol_in_grammar v0.1.0 (/opt/rustwide/workdir/problems/p0779_kth_symbol_in_grammar)
[INFO] [stderr]    Compiling p0738_monotone_increasing_digits v0.1.0 (/opt/rustwide/workdir/problems/p0738_monotone_increasing_digits)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0725_split_linked_list_in_parts/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] [stderr]    Compiling p0806_number_of_lines_to_write_string v0.1.0 (/opt/rustwide/workdir/problems/p0806_number_of_lines_to_write_string)
[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 p0516_longest_palindromic_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0516_longest_palindromic_subsequence)
[INFO] [stdout] warning: 5 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 p0097_iterleaving_string v0.1.0 (/opt/rustwide/workdir/problems/p0097_iterleaving_string)
[INFO] [stderr]    Compiling p0721_accounts_merge v0.1.0 (/opt/rustwide/workdir/problems/p0721_accounts_merge)
[INFO] [stderr]    Compiling day21_reordered_power_of_2 v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day21_reordered_power_of_2)
[INFO] [stderr]    Compiling p0808_soup_servings v0.1.0 (/opt/rustwide/workdir/problems/p0808_soup_servings)
[INFO] [stderr]    Compiling p0712_minimum_ascii_delete_sum_for_two_strings v0.1.0 (/opt/rustwide/workdir/problems/p0712_minimum_ascii_delete_sum_for_two_strings)
[INFO] [stderr]    Compiling p0572_subtree_of_another_tree v0.1.0 (/opt/rustwide/workdir/problems/p0572_subtree_of_another_tree)
[INFO] [stderr]    Compiling p0795_number_of_subarrays_with_bounded_maximum v0.1.0 (/opt/rustwide/workdir/problems/p0795_number_of_subarrays_with_bounded_maximum)
[INFO] [stderr]    Compiling day24_advantage_shuffle v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day24_advantage_shuffle)
[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 day15_the_k_th_weakest_rows_in_a_matrix v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day15_the_k_th_weakest_rows_in_a_matrix)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day05_jump_game_ii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day05_jump_game_ii)
[INFO] [stderr]    Compiling p0672_bulb_switcher_ii v0.1.0 (/opt/rustwide/workdir/problems/p0672_bulb_switcher_ii)
[INFO] [stderr]    Compiling p0748_shortest_completing_word v0.1.0 (/opt/rustwide/workdir/problems/p0748_shortest_completing_word)
[INFO] [stderr]    Compiling p0623_add_one_row_to_tree v0.1.0 (/opt/rustwide/workdir/problems/p0623_add_one_row_to_tree)
[INFO] [stdout] warning: unused import: `std::unreachable`
[INFO] [stdout]  --> problems/p0672_bulb_switcher_ii/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unreachable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling problems v0.1.0 (/opt/rustwide/workdir/problems)
[INFO] [stderr]    Compiling p0528_random_pick_with_weight v0.1.0 (/opt/rustwide/workdir/problems/p0528_random_pick_with_weight)
[INFO] [stderr]    Compiling november_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/november_leetcoding_challenge)
[INFO] [stderr]    Compiling october_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/october_leetcoding_challenge)
[INFO] [stderr]    Compiling december_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/december_leetcoding_challenge)
[INFO] [stderr]    Compiling p0519_random_flip_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0519_random_flip_matrix)
[INFO] [stderr]    Compiling p0535_encode_and_decode_tiny_url v0.1.0 (/opt/rustwide/workdir/problems/p0535_encode_and_decode_tiny_url)
[INFO] [stderr]    Compiling august_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/august_leetcoding_challenge)
[INFO] [stderr]    Compiling p0478_generate_random_point_in_a_circle v0.1.0 (/opt/rustwide/workdir/problems/p0478_generate_random_point_in_a_circle)
[INFO] [stdout] warning: field is never read: `n_rows`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     n_rows: 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: `n_cols`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     n_cols: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flipped`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     flipped: HashSet<(i32, i32)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(n_rows: i32, n_cols: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn flip(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Codec`
[INFO] [stdout]  --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Codec {
[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: `URL_PREFIX`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const URL_PREFIX: &'static str = "http://tinyurl.com/";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `weight_sums`
[INFO] [stdout]  --> problems/p0528_random_pick_with_weight/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     weight_sums: Vec<i32>,
[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/p0528_random_pick_with_weight/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(w: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick_index`
[INFO] [stdout]   --> problems/p0528_random_pick_with_weight/src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn pick_index(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `longURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^ help: convert the identifier to snake case: `long_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radius`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     radius: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     x_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(radius: f64, x_center: f64, y_center: f64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_point`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn rand_point(&self) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shortURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^^ help: convert the identifier to snake case: `short_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CombinationIterator`
[INFO] [stdout]  --> august_leetcoding_challenge/day13_iterator_for_combination.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CombinationIterator {
[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]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_combination`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         fn generate_combination(chars: Vec<char>, head: String, length: i32) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rects`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     rects: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `areas`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     areas: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area_total`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     area_total: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(rects: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn pick(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StreamChecker`
[INFO] [stdout]  --> august_leetcoding_challenge/day23_stream_of_characters.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct StreamChecker {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn query(&mut self, letter: char) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyHashSet`
[INFO] [stdout]  --> august_leetcoding_challenge/day2_design_hashset.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyHashSet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn remove(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn contains(&self, key: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordDictionary`
[INFO] [stdout]  --> august_leetcoding_challenge/day5_add_and_search_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct WordDictionary {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_word`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn add_word(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |         fn check(t: &Trie, chars: &mut std::str::Chars) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `combinationLength` should have a snake case name
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `combination_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `calls`
[INFO] [stdout]  --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     calls: VecDeque<i32>,
[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]   --> october_leetcoding_challenge/day01_number_of_recent_calls.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: `ping`
[INFO] [stdout]   --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn ping(&mut self, t: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> november_leetcoding_challenge/day01_convert_binary_number_in_a_linked_list_to_integer.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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0024_swap_nodes_in_pairs.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/p0109_convert_sorted_list_to_binary_search_tree.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cache: HashMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     keys: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     capacity: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(capacity: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get(&mut self, key: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn put(&mut self, key: i32, value: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0148_sort_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     stack: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     values: BTreeMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn pop(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_min`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_min(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collect`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn collect(root: &Option<Rc<RefCell<TreeNode>>>, results: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(root: Option<Rc<RefCell<TreeNode>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0206_reverse_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn insert(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starts_with`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn starts_with(&self, prefix: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue1`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     queue1: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue2`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     queue2: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.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: `push`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack1`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     stack1: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack2`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     stack2: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.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]   --> problems/p0232_implement_queue_using_stacks.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0234_palindrome_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0303_range_sum_query_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumMatrix`
[INFO] [stdout]  --> problems/p0304_range_sum_query_2d_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumMatrix {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(matrix: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_region`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn update(&mut self, i: i32, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NestedIterator`
[INFO] [stdout]  --> problems/p0341_flatten_nested_list_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct NestedIterator {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flatten`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn flatten(nested_list: NestedInteger) -> VecDeque<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tweets`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     tweets: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `follows`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     follows: HashMap<i32, HashSet<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0355_design_twitter.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: `post_tweet`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn post_tweet(&mut self, user_id: i32, tweet_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_news_feed`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `follow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn follow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unfollow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn unfollow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     map: HashMap<i32, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     values: Vec<Option<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(head: Option<Box<ListNode>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `org`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     org: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `array`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn reset(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn shuffle(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nums`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     nums: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> problems/p0398_random_pick_index.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pick(&self, target: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> problems/p0191_number_of_1_bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isBadVersion` should have a snake case name
[INFO] [stdout]   --> problems/p0278_first_bad_version.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn isBadVersion(&self, n: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_bad_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nestedList` should have a snake case name
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]  --> problems/p0374_guess_number_higher_or_lower.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 85 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.45s
[INFO] running `Command { std: "docker" "inspect" "0d99c9e9da02c36f266c0363a4bea96dcc50f5e23872e2d535e03bfeaabfcd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d99c9e9da02c36f266c0363a4bea96dcc50f5e23872e2d535e03bfeaabfcd5a", kill_on_drop: false }`
[INFO] [stdout] 0d99c9e9da02c36f266c0363a4bea96dcc50f5e23872e2d535e03bfeaabfcd5a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] 4b8a300295ed0291cf3ca1977c4c8c4f74aa2b401cbfe7bdf044d381e5fb4799
[INFO] running `Command { std: "docker" "start" "-a" "4b8a300295ed0291cf3ca1977c4c8c4f74aa2b401cbfe7bdf044d381e5fb4799", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `MyCalendar`
[INFO] [stdout]  --> problems/p0729_my_calendar_i/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyCalendar {
[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/p0729_my_calendar_i/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `book`
[INFO] [stdout]   --> problems/p0729_my_calendar_i/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn book(&mut self, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MagicDictionary`
[INFO] [stdout]  --> problems/p0676_implement_magic_dictionary/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MagicDictionary {
[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/p0676_implement_magic_dictionary/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: `build_dict`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn build_dict(&mut self, dictionary: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search(&self, search_word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serach_words`
[INFO] [stdout]   --> problems/p0676_implement_magic_dictionary/src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn serach_words(s: &String) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Trie`
[INFO] [stdout]  --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Trie {
[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]  --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new(c: char) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn insert(&mut self, key: &str, index: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn find(&self, prefix: String) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordFilter`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct WordFilter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `f`
[INFO] [stdout]   --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn f(&self, prefix: String, suffix: String) -> i32 {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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/p0706_design_hashmap/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: `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] [stdout] warning: struct is never constructed: `MyCalendarTwo`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct MyCalendarTwo {
[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/p0731_my_calendar_ii/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `book`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn book(&mut self, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn check(node: &Option<Box<Node>>, start: i32, end: i32) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> problems/p0731_my_calendar_ii/src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(node: &mut Option<Box<Node>>, start: i32, end: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: 4 warnings emitted
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::unreachable`
[INFO] [stdout]  --> problems/p0672_bulb_switcher_ii/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unreachable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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: struct is never constructed: `MapSum`
[INFO] [stdout]  --> problems/p0677_map_sum_pairs/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MapSum {
[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/p0677_map_sum_pairs/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn insert(&mut self, key: String, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum`
[INFO] [stdout]   --> problems/p0677_map_sum_pairs/src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn sum(&self, prefix: String) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub 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/p0707_design_linked_list/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, index: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_head`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn add_at_head(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_tail`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn add_at_tail(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn add_at_index(&mut self, index: i32, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn delete_at_index(&mut self, index: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0740_delete_and_earn v0.1.0 (/opt/rustwide/workdir/problems/p0740_delete_and_earn)
[INFO] [stderr]    Compiling p0565_array_nesting v0.1.0 (/opt/rustwide/workdir/problems/p0565_array_nesting)
[INFO] [stderr]    Compiling day21_reordered_power_of_2 v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day21_reordered_power_of_2)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0725_split_linked_list_in_parts/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] [stderr]    Compiling p0583_delete_operation_for_two_strings v0.1.0 (/opt/rustwide/workdir/problems/p0583_delete_operation_for_two_strings)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0686_repeated_string_match v0.1.0 (/opt/rustwide/workdir/problems/p0686_repeated_string_match)
[INFO] [stderr]    Compiling day09_construct_target_array_with_multiple_sums v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day09_construct_target_array_with_multiple_sums)
[INFO] [stderr]    Compiling p0477_total_hamming_distance v0.1.0 (/opt/rustwide/workdir/problems/p0477_total_hamming_distance)
[INFO] [stderr]    Compiling day11_maximum_points_you_can_obtain_from_cards v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day11_maximum_points_you_can_obtain_from_cards)
[INFO] [stderr]    Compiling p0801_minimum_swaps_to_make_sequences_increasing v0.1.0 (/opt/rustwide/workdir/problems/p0801_minimum_swaps_to_make_sequences_increasing)
[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: 1 warning 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] [stderr]    Compiling p0097_iterleaving_string v0.1.0 (/opt/rustwide/workdir/problems/p0097_iterleaving_string)
[INFO] [stderr]    Compiling p0494_target_sum v0.1.0 (/opt/rustwide/workdir/problems/p0494_target_sum)
[INFO] [stderr]    Compiling p0506_relative_ranks v0.1.0 (/opt/rustwide/workdir/problems/p0506_relative_ranks)
[INFO] [stderr]    Compiling p0756_pyramid_transition_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0756_pyramid_transition_matrix)
[INFO] [stderr]    Compiling day02_course_schedule_iii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day02_course_schedule_iii)
[INFO] [stderr]    Compiling p0752_open_the_lock v0.1.0 (/opt/rustwide/workdir/problems/p0752_open_the_lock)
[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 p0611_valid_triangle_number v0.1.0 (/opt/rustwide/workdir/problems/p0611_valid_triangle_number)
[INFO] [stderr]    Compiling day31_search_suggestions_system v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day31_search_suggestions_system)
[INFO] [stderr]    Compiling day29_flip_binary_tree_to_match_preorder_traversal v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day29_flip_binary_tree_to_match_preorder_traversal)
[INFO] [stderr]    Compiling p0485_max_consecutive_ones v0.1.0 (/opt/rustwide/workdir/problems/p0485_max_consecutive_ones)
[INFO] [stderr]    Compiling day24_advantage_shuffle v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day24_advantage_shuffle)
[INFO] [stderr]    Compiling p0530_minimum_absolute_difference_in_bst v0.1.0 (/opt/rustwide/workdir/problems/p0530_minimum_absolute_difference_in_bst)
[INFO] [stderr]    Compiling p0491_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0491_increasing_subsequence)
[INFO] [stderr]    Compiling p0819_most_common_word v0.1.0 (/opt/rustwide/workdir/problems/p0819_most_common_word)
[INFO] [stderr]    Compiling p0665_non_decreasing_array v0.1.0 (/opt/rustwide/workdir/problems/p0665_non_decreasing_array)
[INFO] [stderr]    Compiling p0561_array_partition_i v0.1.0 (/opt/rustwide/workdir/problems/p0561_array_partition_i)
[INFO] [stderr]    Compiling day20_design_underground_system v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day20_design_underground_system)
[INFO] [stderr]    Compiling p0687_longest_univalue_path v0.1.0 (/opt/rustwide/workdir/problems/p0687_longest_univalue_path)
[INFO] [stderr]    Compiling p0541_reverse_string_ii v0.1.0 (/opt/rustwide/workdir/problems/p0541_reverse_string_ii)
[INFO] [stderr]    Compiling p0809_expressive_words v0.1.0 (/opt/rustwide/workdir/problems/p0809_expressive_words)
[INFO] [stderr]    Compiling p0476_number_complement v0.1.0 (/opt/rustwide/workdir/problems/p0476_number_complement)
[INFO] [stderr]    Compiling p0796_rotate_string v0.1.0 (/opt/rustwide/workdir/problems/p0796_rotate_string)
[INFO] [stderr]    Compiling day16_letter_case_permutation v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day16_letter_case_permutation)
[INFO] [stderr]    Compiling p0791_custom_sort_string v0.1.0 (/opt/rustwide/workdir/problems/p0791_custom_sort_string)
[INFO] [stderr]    Compiling p0746_min_cost_climbing_stairs v0.1.0 (/opt/rustwide/workdir/problems/p0746_min_cost_climbing_stairs)
[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 p0515_find_largest_value_in_each_row v0.1.0 (/opt/rustwide/workdir/problems/p0515_find_largest_value_in_each_row)
[INFO] [stderr]    Compiling day13_ambiguous_coodinates v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day13_ambiguous_coodinates)
[INFO] [stderr]    Compiling p0671_second_minimum_node_in_a_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0671_second_minimum_node_in_a_binary_tree)
[INFO] [stderr]    Compiling day26_furthest_building_you_can_reach v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day26_furthest_building_you_can_reach)
[INFO] [stderr]    Compiling p0475_heaters v0.1.0 (/opt/rustwide/workdir/problems/p0475_heaters)
[INFO] [stderr]    Compiling p0500_keyboard_row v0.1.0 (/opt/rustwide/workdir/problems/p0500_keyboard_row)
[INFO] [stderr]    Compiling september_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/september_leetcoding_challenge)
[INFO] [stderr]    Compiling p0581_shortest_unsorted_continuous_subarray v0.1.0 (/opt/rustwide/workdir/problems/p0581_shortest_unsorted_continuous_subarray)
[INFO] [stderr]    Compiling p0717_1_bit_and_2_bit_characters v0.1.0 (/opt/rustwide/workdir/problems/p0717_1_bit_and_2_bit_characters)
[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 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 p0674_longest_continuouts_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0674_longest_continuouts_increasing_subsequence)
[INFO] [stderr]    Compiling p0764_largest_plus_sign v0.1.0 (/opt/rustwide/workdir/problems/p0764_largest_plus_sign)
[INFO] [stderr]    Compiling p0743_network_delay_time v0.1.0 (/opt/rustwide/workdir/problems/p0743_network_delay_time)
[INFO] [stderr]    Compiling day23_3sum_with_multiplicity v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day23_3sum_with_multiplicity)
[INFO] [stderr]    Compiling p0813_largest_sum_of_averages v0.1.0 (/opt/rustwide/workdir/problems/p0813_largest_sum_of_averages)
[INFO] [stderr]    Compiling p0496_next_greater_element_i v0.1.0 (/opt/rustwide/workdir/problems/p0496_next_greater_element_i)
[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 p0718_maximum_length_of_repeated_subarray v0.1.0 (/opt/rustwide/workdir/problems/p0718_maximum_length_of_repeated_subarray)
[INFO] [stderr]    Compiling p0512_longest_uncommon_subsequence_ii v0.1.0 (/opt/rustwide/workdir/problems/p0512_longest_uncommon_subsequence_ii)
[INFO] [stderr]    Compiling p0721_accounts_merge v0.1.0 (/opt/rustwide/workdir/problems/p0721_accounts_merge)
[INFO] [stderr]    Compiling p0648_replace_words v0.1.0 (/opt/rustwide/workdir/problems/p0648_replace_words)
[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 p0649_dota2_senate v0.1.0 (/opt/rustwide/workdir/problems/p0649_dota2_senate)
[INFO] [stderr]    Compiling day14_is_graph_bipartite v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day14_is_graph_bipartite)
[INFO] [stderr]    Compiling p0521_longest_uncommon_subsequence_i v0.1.0 (/opt/rustwide/workdir/problems/p0521_longest_uncommon_subsequence_i)
[INFO] [stderr]    Compiling p0709_to_lower_case v0.1.0 (/opt/rustwide/workdir/problems/p0709_to_lower_case)
[INFO] [stderr]    Compiling day28_maximum_erasure_value v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day28_maximum_erasure_value)
[INFO] [stderr]    Compiling day29_n_queens_ii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day29_n_queens_ii)
[INFO] [stderr]    Compiling p0724_find_pivot_index v0.1.0 (/opt/rustwide/workdir/problems/p0724_find_pivot_index)
[INFO] [stderr]    Compiling p0641_design_circular_deque v0.1.0 (/opt/rustwide/workdir/problems/p0641_design_circular_deque)
[INFO] [stderr]    Compiling p0473_matchsticks_to_square v0.1.0 (/opt/rustwide/workdir/problems/p0473_matchsticks_to_square)
[INFO] [stderr]    Compiling p0654_maximum_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0654_maximum_binary_tree)
[INFO] [stderr]    Compiling p0677_map_sum_pairs v0.1.0 (/opt/rustwide/workdir/problems/p0677_map_sum_pairs)
[INFO] [stderr]    Compiling p0698_partition_to_k_equal_subsets v0.1.0 (/opt/rustwide/workdir/problems/p0698_partition_to_k_equal_subsets)
[INFO] [stderr]    Compiling p0575_distribute_candies v0.1.0 (/opt/rustwide/workdir/problems/p0575_distribute_candies)
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0693_binary_number_with_altenating_bits v0.1.0 (/opt/rustwide/workdir/problems/p0693_binary_number_with_altenating_bits)
[INFO] [stderr]    Compiling p0678_valid_parenthesis_string v0.1.0 (/opt/rustwide/workdir/problems/p0678_valid_parenthesis_string)
[INFO] [stderr]    Compiling p0700_search_in_a_binary_search_tree v0.1.0 (/opt/rustwide/workdir/problems/p0700_search_in_a_binary_search_tree)
[INFO] [stderr]    Compiling day10_longest_increasing_path_in_a_matrix v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day10_longest_increasing_path_in_a_matrix)
[INFO] [stderr]    Compiling p0794_valid_tic_tac_toe_state v0.1.0 (/opt/rustwide/workdir/problems/p0794_valid_tic_tac_toe_state)
[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 day11_deepest_leaves_sum v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day11_deepest_leaves_sum)
[INFO] [stderr]    Compiling p0762_prime_number_of_set_bits_in_binary_representation v0.1.0 (/opt/rustwide/workdir/problems/p0762_prime_number_of_set_bits_in_binary_representation)
[INFO] [stderr]    Compiling p0492_construct_the_rectangle v0.1.0 (/opt/rustwide/workdir/problems/p0492_construct_the_rectangle)
[INFO] [stderr]    Compiling p0779_kth_symbol_in_grammar v0.1.0 (/opt/rustwide/workdir/problems/p0779_kth_symbol_in_grammar)
[INFO] [stderr]    Compiling day31_stamping_the_sequence v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day31_stamping_the_sequence)
[INFO] [stderr]    Compiling p0812_largest_triangle_area v0.1.0 (/opt/rustwide/workdir/problems/p0812_largest_triangle_area)
[INFO] [stderr]    Compiling p0767_reorganize_string v0.1.0 (/opt/rustwide/workdir/problems/p0767_reorganize_string)
[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 p0592_fraction_addition_and_subtraction v0.1.0 (/opt/rustwide/workdir/problems/p0592_fraction_addition_and_subtraction)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 day13_shortest_path_in_binary_matrix v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day13_shortest_path_in_binary_matrix)
[INFO] [stderr]    Compiling p0733_flood_fill v0.1.0 (/opt/rustwide/workdir/problems/p0733_flood_fill)
[INFO] [stderr]    Compiling p0806_number_of_lines_to_write_string v0.1.0 (/opt/rustwide/workdir/problems/p0806_number_of_lines_to_write_string)
[INFO] [stderr]    Compiling p0811_subdomain_visit_count v0.1.0 (/opt/rustwide/workdir/problems/p0811_subdomain_visit_count)
[INFO] [stderr]    Compiling p0543_diameter_of_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0543_diameter_of_binary_tree)
[INFO] [stderr]    Compiling day13_binary_trees_with_factors v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day13_binary_trees_with_factors)
[INFO] [stderr]    Compiling day23_find_the_shortest_superstring v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day23_find_the_shortest_superstring)
[INFO] [stderr]    Compiling p0509_fibonacci_number v0.1.0 (/opt/rustwide/workdir/problems/p0509_fibonacci_number)
[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 p0802_find_eventual_safe_states v0.1.0 (/opt/rustwide/workdir/problems/p0802_find_eventual_safe_states)
[INFO] [stderr]    Compiling p0523_cotinuous_subarray_sum v0.1.0 (/opt/rustwide/workdir/problems/p0523_cotinuous_subarray_sum)
[INFO] [stderr]    Compiling p0539_minimum_time_difference v0.1.0 (/opt/rustwide/workdir/problems/p0539_minimum_time_difference)
[INFO] [stderr]    Compiling day16_remove_all_adjacents_in_string_ii v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day16_remove_all_adjacents_in_string_ii)
[INFO] [stderr]    Compiling p0738_monotone_increasing_digits v0.1.0 (/opt/rustwide/workdir/problems/p0738_monotone_increasing_digits)
[INFO] [stderr]    Compiling p0551_student_attendance_record_i v0.1.0 (/opt/rustwide/workdir/problems/p0551_student_attendance_record_i)
[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 p0609_find_duplicate_file_in_system v0.1.0 (/opt/rustwide/workdir/problems/p0609_find_duplicate_file_in_system)
[INFO] [stderr]    Compiling p0576_out_of_boundary_paths v0.1.0 (/opt/rustwide/workdir/problems/p0576_out_of_boundary_paths)
[INFO] [stderr]    Compiling p0553_optimal_division v0.1.0 (/opt/rustwide/workdir/problems/p0553_optimal_division)
[INFO] [stderr]    Compiling p0463_island_perimeter v0.1.0 (/opt/rustwide/workdir/problems/p0463_island_perimeter)
[INFO] [stderr]    Compiling day15_the_k_th_weakest_rows_in_a_matrix v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day15_the_k_th_weakest_rows_in_a_matrix)
[INFO] [stderr]    Compiling day22_n_queens v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day22_n_queens)
[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 p0513_find_bottom_left_tree_value v0.1.0 (/opt/rustwide/workdir/problems/p0513_find_bottom_left_tree_value)
[INFO] [stderr]    Compiling p0464_can_i_win v0.1.0 (/opt/rustwide/workdir/problems/p0464_can_i_win)
[INFO] [stderr]    Compiling p0542_01_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0542_01_matrix)
[INFO] [stderr]    Compiling p0781_rabbits_in_forest v0.1.0 (/opt/rustwide/workdir/problems/p0781_rabbits_in_forest)
[INFO] [stderr]    Compiling p0787_cheapest_flights_within_k_stops v0.1.0 (/opt/rustwide/workdir/problems/p0787_cheapest_flights_within_k_stops)
[INFO] [stderr]    Compiling day24_critical_connections_in_a_network v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day24_critical_connections_in_a_network)
[INFO] [stderr]    Compiling p0748_shortest_completing_word v0.1.0 (/opt/rustwide/workdir/problems/p0748_shortest_completing_word)
[INFO] [stderr]    Compiling p0647_palindromic_substrings v0.1.0 (/opt/rustwide/workdir/problems/p0647_palindromic_substrings)
[INFO] [stderr]    Compiling p0789_escape_the_ghosts v0.1.0 (/opt/rustwide/workdir/problems/p0789_escape_the_ghosts)
[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 p0714_best_time_to_buy_sell_stock_with_transaction_fee v0.1.0 (/opt/rustwide/workdir/problems/p0714_best_time_to_buy_sell_stock_with_transaction_fee)
[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 p0722_remove_comments v0.1.0 (/opt/rustwide/workdir/problems/p0722_remove_comments)
[INFO] [stderr]    Compiling p0830_positions_of_large_groups v0.1.0 (/opt/rustwide/workdir/problems/p0830_positions_of_large_groups)
[INFO] [stderr]    Compiling day08_remove_palindromic_subsequences v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day08_remove_palindromic_subsequences)
[INFO] [stderr]    Compiling day19_minimum_remove_to_make_valid_parentheses v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day19_minimum_remove_to_make_valid_parentheses)
[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 p0667_beautiful_arrangement_ii v0.1.0 (/opt/rustwide/workdir/problems/p0667_beautiful_arrangement_ii)
[INFO] [stderr]    Compiling p0594_longest_harmonious_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0594_longest_harmonious_subsequence)
[INFO] [stderr]    Compiling p0621_task_scheduler v0.1.0 (/opt/rustwide/workdir/problems/p0621_task_scheduler)
[INFO] [stderr]    Compiling day21_broken_calculator v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day21_broken_calculator)
[INFO] [stderr]    Compiling day26_validate_stack_sequences v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day26_validate_stack_sequences)
[INFO] [stderr]    Compiling p0650_2_keys_keyboard v0.1.0 (/opt/rustwide/workdir/problems/p0650_2_keys_keyboard)
[INFO] [stderr]    Compiling p0825_friends_of_appropriate_ages v0.1.0 (/opt/rustwide/workdir/problems/p0825_friends_of_appropriate_ages)
[INFO] [stderr]    Compiling day30_russian_doll_envelopes v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day30_russian_doll_envelopes)
[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 p0638_shopping_offers v0.1.0 (/opt/rustwide/workdir/problems/p0638_shopping_offers)
[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 p0822_card_flipping_game v0.1.0 (/opt/rustwide/workdir/problems/p0822_card_flipping_game)
[INFO] [stderr]    Compiling p0808_soup_servings v0.1.0 (/opt/rustwide/workdir/problems/p0808_soup_servings)
[INFO] [stderr]    Compiling day19_keys_and_rooms v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day19_keys_and_rooms)
[INFO] [stderr]    Compiling p0684_redundant_connection v0.1.0 (/opt/rustwide/workdir/problems/p0684_redundant_connection)
[INFO] [stderr]    Compiling p0657_robot_return_to_origin v0.1.0 (/opt/rustwide/workdir/problems/p0657_robot_return_to_origin)
[INFO] [stderr]    Compiling p0507_perfect_number v0.1.0 (/opt/rustwide/workdir/problems/p0507_perfect_number)
[INFO] [stderr]    Compiling p0655_print_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0655_print_binary_tree)
[INFO] [stderr]    Compiling p0538_convert_bst_to_greater_tree v0.1.0 (/opt/rustwide/workdir/problems/p0538_convert_bst_to_greater_tree)
[INFO] [stderr]    Compiling p0537_complex_number_multiplication v0.1.0 (/opt/rustwide/workdir/problems/p0537_complex_number_multiplication)
[INFO] [stderr]    Compiling p0468_validate_ip_address v0.1.0 (/opt/rustwide/workdir/problems/p0468_validate_ip_address)
[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 p0645_set_mismatch v0.1.0 (/opt/rustwide/workdir/problems/p0645_set_mismatch)
[INFO] [stderr]    Compiling p0766_toeplitz_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0766_toeplitz_matrix)
[INFO] [stderr]    Compiling p0554_brick_wall v0.1.0 (/opt/rustwide/workdir/problems/p0554_brick_wall)
[INFO] [stderr]    Compiling p0529_minesweeper v0.1.0 (/opt/rustwide/workdir/problems/p0529_minesweeper)
[INFO] [stderr]    Compiling p0729_my_calendar_i v0.1.0 (/opt/rustwide/workdir/problems/p0729_my_calendar_i)
[INFO] [stderr]    Compiling p0728_self_dividing_numbers v0.1.0 (/opt/rustwide/workdir/problems/p0728_self_dividing_numbers)
[INFO] [stderr]    Compiling p0672_bulb_switcher_ii v0.1.0 (/opt/rustwide/workdir/problems/p0672_bulb_switcher_ii)
[INFO] [stderr]    Compiling day22_vowel_spellchecker v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day22_vowel_spellchecker)
[INFO] [stderr]    Compiling p0572_subtree_of_another_tree v0.1.0 (/opt/rustwide/workdir/problems/p0572_subtree_of_another_tree)
[INFO] [stderr]    Compiling p0598_range_addition_ii v0.1.0 (/opt/rustwide/workdir/problems/p0598_range_addition_ii)
[INFO] [stderr]    Compiling p0707_design_linked_list v0.1.0 (/opt/rustwide/workdir/problems/p0707_design_linked_list)
[INFO] [stderr]    Compiling day02_trim_a_binary_search_tree v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day02_trim_a_binary_search_tree)
[INFO] [stdout] warning: unused import: `std::unreachable`
[INFO] [stdout]  --> problems/p0672_bulb_switcher_ii/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::unreachable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 p0775_global_and_local_inversions v0.1.0 (/opt/rustwide/workdir/problems/p0775_global_and_local_inversions)
[INFO] [stderr]    Compiling p0697_degree_of_an_array v0.1.0 (/opt/rustwide/workdir/problems/p0697_degree_of_an_array)
[INFO] [stderr]    Compiling p0695_max_area_of_island v0.1.0 (/opt/rustwide/workdir/problems/p0695_max_area_of_island)
[INFO] [stderr]    Compiling p0817_linked_list_components v0.1.0 (/opt/rustwide/workdir/problems/p0817_linked_list_components)
[INFO] [stdout] warning: associated function is never used: `add_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn add_at_index(&mut self, index: i32, val: i32) {
[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: `delete_at_index`
[INFO] [stdout]   --> problems/p0707_design_linked_list/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn delete_at_index(&mut self, index: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0652_find_duplicate_subtrees v0.1.0 (/opt/rustwide/workdir/problems/p0652_find_duplicate_subtrees)
[INFO] [stderr]    Compiling p0486_predict_the_winner v0.1.0 (/opt/rustwide/workdir/problems/p0486_predict_the_winner)
[INFO] [stderr]    Compiling p0501_find_mode_in_binary_search_tree v0.1.0 (/opt/rustwide/workdir/problems/p0501_find_mode_in_binary_search_tree)
[INFO] [stderr]    Compiling p0516_longest_palindromic_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0516_longest_palindromic_subsequence)
[INFO] [stderr]    Compiling p0688_knight_probability_in_chessboard v0.1.0 (/opt/rustwide/workdir/problems/p0688_knight_probability_in_chessboard)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0712_minimum_ascii_delete_sum_for_two_strings v0.1.0 (/opt/rustwide/workdir/problems/p0712_minimum_ascii_delete_sum_for_two_strings)
[INFO] [stderr]    Compiling p0659_split_array_into_consecutive_subsequences v0.1.0 (/opt/rustwide/workdir/problems/p0659_split_array_into_consecutive_subsequences)
[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 p0567_permutation_in_string v0.1.0 (/opt/rustwide/workdir/problems/p0567_permutation_in_string)
[INFO] [stderr]    Compiling p0467_unique_substrings_in_wraparound_string v0.1.0 (/opt/rustwide/workdir/problems/p0467_unique_substrings_in_wraparound_string)
[INFO] [stderr]    Compiling day01_prefix_and_suffix_search v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day01_prefix_and_suffix_search)
[INFO] [stderr]    Compiling p0792_number_of_matching_subsequences v0.1.0 (/opt/rustwide/workdir/problems/p0792_number_of_matching_subsequences)
[INFO] [stderr]    Compiling p0482_license_key_formatting v0.1.0 (/opt/rustwide/workdir/problems/p0482_license_key_formatting)
[INFO] [stderr]    Compiling p0524_longest_word_in_dictionary_through_deleting v0.1.0 (/opt/rustwide/workdir/problems/p0524_longest_word_in_dictionary_through_deleting)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 p0814_binary_tree_pruning v0.1.0 (/opt/rustwide/workdir/problems/p0814_binary_tree_pruning)
[INFO] [stderr]    Compiling p0503_next_greater_element_ii v0.1.0 (/opt/rustwide/workdir/problems/p0503_next_greater_element_ii)
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]  --> may_leetcoding_challenge_2021/day01_prefix_and_suffix_search/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     c: char,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day30_maximum_gap v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day30_maximum_gap)
[INFO] [stderr]    Compiling p0658_find_k_closest_elements v0.1.0 (/opt/rustwide/workdir/problems/p0658_find_k_closest_elements)
[INFO] [stderr]    Compiling p0680_valid_palindrome_ii v0.1.0 (/opt/rustwide/workdir/problems/p0680_valid_palindrome_ii)
[INFO] [stderr]    Compiling p0508_most_frequent_subtree_sum v0.1.0 (/opt/rustwide/workdir/problems/p0508_most_frequent_subtree_sum)
[INFO] [stderr]    Compiling p0622_design_circular_queue v0.1.0 (/opt/rustwide/workdir/problems/p0622_design_circular_queue)
[INFO] [stderr]    Compiling p0617_merge_two_binary_trees v0.1.0 (/opt/rustwide/workdir/problems/p0617_merge_two_binary_trees)
[INFO] [stderr]    Compiling p0795_number_of_subarrays_with_bounded_maximum v0.1.0 (/opt/rustwide/workdir/problems/p0795_number_of_subarrays_with_bounded_maximum)
[INFO] [stderr]    Compiling p0525_contiguous_array v0.1.0 (/opt/rustwide/workdir/problems/p0525_contiguous_array)
[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 p0504_base_7 v0.1.0 (/opt/rustwide/workdir/problems/p0504_base_7)
[INFO] [stderr]    Compiling p0790_domino_and_tromino_tiling v0.1.0 (/opt/rustwide/workdir/problems/p0790_domino_and_tromino_tiling)
[INFO] [stderr]    Compiling day28_maximum_frequency_stack v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day28_maximum_frequency_stack)
[INFO] [stderr]    Compiling january_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/january_leetcoding_challenge)
[INFO] [stderr]    Compiling p0474_ones_and_zeros v0.1.0 (/opt/rustwide/workdir/problems/p0474_ones_and_zeros)
[INFO] [stderr]    Compiling p0636_exclusive_time_of_functions v0.1.0 (/opt/rustwide/workdir/problems/p0636_exclusive_time_of_functions)
[INFO] [stderr]    Compiling p0640_solve_the_equation v0.1.0 (/opt/rustwide/workdir/problems/p0640_solve_the_equation)
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day05_jump_game_ii v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day05_jump_game_ii)
[INFO] [stderr]    Compiling p0706_design_hashmap v0.1.0 (/opt/rustwide/workdir/problems/p0706_design_hashmap)
[INFO] [stderr]    Compiling p0807_max_increase_to_keep_city_skyline v0.1.0 (/opt/rustwide/workdir/problems/p0807_max_increase_to_keep_city_skyline)
[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 day24_score_of_parentheses v0.1.0 (/opt/rustwide/workdir/february_leetcoding_challenge_2021/day24_score_of_parentheses)
[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 p0518_coin_change_2 v0.1.0 (/opt/rustwide/workdir/problems/p0518_coin_change_2)
[INFO] [stderr]    Compiling p0739_daily_temperatures v0.1.0 (/opt/rustwide/workdir/problems/p0739_daily_temperatures)
[INFO] [stderr]    Compiling day17_longest_string_chain v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day17_longest_string_chain)
[INFO] [stderr]    Compiling p0670_maximum_swap v0.1.0 (/opt/rustwide/workdir/problems/p0670_maximum_swap)
[INFO] [stderr]    Compiling p0692_top_k_frequent_words v0.1.0 (/opt/rustwide/workdir/problems/p0692_top_k_frequent_words)
[INFO] [stderr]    Compiling p0547_number_of_provinces v0.1.0 (/opt/rustwide/workdir/problems/p0547_number_of_provinces)
[INFO] [stderr]    Compiling day26_word_subsets v0.1.0 (/opt/rustwide/workdir/march_leetcoding_challenge_2021/day26_word_subsets)
[INFO] [stderr]    Compiling day06_minimum_operations_to_make_array_equal v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day06_minimum_operations_to_make_array_equal)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day08_super_palindromes v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day08_super_palindromes)
[INFO] [stderr]    Compiling p0481_magical_string v0.1.0 (/opt/rustwide/workdir/problems/p0481_magical_string)
[INFO] [stderr]    Compiling p0731_my_calendar_ii v0.1.0 (/opt/rustwide/workdir/problems/p0731_my_calendar_ii)
[INFO] [stderr]    Compiling p0725_split_linked_list_in_parts v0.1.0 (/opt/rustwide/workdir/problems/p0725_split_linked_list_in_parts)
[INFO] [stderr]    Compiling p0599_minimum_index_sum_of_two_lists v0.1.0 (/opt/rustwide/workdir/problems/p0599_minimum_index_sum_of_two_lists)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0720_longest_word_in_dictionary v0.1.0 (/opt/rustwide/workdir/problems/p0720_longest_word_in_dictionary)
[INFO] [stderr]    Compiling p0682_baseball_game v0.1.0 (/opt/rustwide/workdir/problems/p0682_baseball_game)
[INFO] [stderr]    Compiling p0676_implement_magic_dictionary v0.1.0 (/opt/rustwide/workdir/problems/p0676_implement_magic_dictionary)
[INFO] [stderr]    Compiling day30_powerful_integers v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day30_powerful_integers)
[INFO] [stderr]    Compiling p0643_maximum_average_subarray_i v0.1.0 (/opt/rustwide/workdir/problems/p0643_maximum_average_subarray_i)
[INFO] [stderr]    Compiling day03_longest_valid_parentheses v0.1.0 (/opt/rustwide/workdir/april_leetcoding_challenge_2021/day03_longest_valid_parentheses)
[INFO] [stderr]    Compiling p0633_sum_of_square_numbers v0.1.0 (/opt/rustwide/workdir/problems/p0633_sum_of_square_numbers)
[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 p0696_count_binary_substrings v0.1.0 (/opt/rustwide/workdir/problems/p0696_count_binary_substrings)
[INFO] [stderr]    Compiling p0566_reshape_the_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0566_reshape_the_matrix)
[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 p0771_jewels_and_stones v0.1.0 (/opt/rustwide/workdir/problems/p0771_jewels_and_stones)
[INFO] [stderr]    Compiling day16_binary_tree_cameras v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day16_binary_tree_cameras)
[INFO] [stderr]    Compiling day15_valid_number v0.1.0 (/opt/rustwide/workdir/may_leetcoding_challenge_2021/day15_valid_number)
[INFO] [stderr]    Compiling p0560_subarray_sum_equals_k v0.1.0 (/opt/rustwide/workdir/problems/p0560_subarray_sum_equals_k)
[INFO] [stderr]    Compiling p0661_image_smoother v0.1.0 (/opt/rustwide/workdir/problems/p0661_image_smoother)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> november_leetcoding_challenge/day01_convert_binary_number_in_a_linked_list_to_integer.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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Codec`
[INFO] [stdout]  --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Codec {
[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: `URL_PREFIX`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const URL_PREFIX: &'static str = "http://tinyurl.com/";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `longURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^ help: convert the identifier to snake case: `long_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shortURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^^ help: convert the identifier to snake case: `short_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CombinationIterator`
[INFO] [stdout]  --> august_leetcoding_challenge/day13_iterator_for_combination.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CombinationIterator {
[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]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_combination`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         fn generate_combination(chars: Vec<char>, head: String, length: i32) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rects`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     rects: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `areas`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     areas: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area_total`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     area_total: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(rects: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn pick(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StreamChecker`
[INFO] [stdout]  --> august_leetcoding_challenge/day23_stream_of_characters.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct StreamChecker {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn query(&mut self, letter: char) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyHashSet`
[INFO] [stdout]  --> august_leetcoding_challenge/day2_design_hashset.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyHashSet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn remove(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn contains(&self, key: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordDictionary`
[INFO] [stdout]  --> august_leetcoding_challenge/day5_add_and_search_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct WordDictionary {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_word`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn add_word(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |         fn check(t: &Trie, chars: &mut std::str::Chars) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `combinationLength` should have a snake case name
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `combination_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `weight_sums`
[INFO] [stdout]  --> problems/p0528_random_pick_with_weight/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     weight_sums: Vec<i32>,
[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/p0528_random_pick_with_weight/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(w: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick_index`
[INFO] [stdout]   --> problems/p0528_random_pick_with_weight/src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn pick_index(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `calls`
[INFO] [stdout]  --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     calls: VecDeque<i32>,
[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]   --> october_leetcoding_challenge/day01_number_of_recent_calls.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: `ping`
[INFO] [stdout]   --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn ping(&mut self, t: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_rows`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     n_rows: 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: `n_cols`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     n_cols: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flipped`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     flipped: HashSet<(i32, i32)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(n_rows: i32, n_cols: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn flip(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radius`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     radius: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     x_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(radius: f64, x_center: f64, y_center: f64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_point`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn rand_point(&self) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0024_swap_nodes_in_pairs.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/p0109_convert_sorted_list_to_binary_search_tree.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cache: HashMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     keys: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     capacity: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(capacity: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get(&mut self, key: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn put(&mut self, key: i32, value: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0148_sort_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     stack: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     values: BTreeMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn pop(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_min`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_min(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collect`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn collect(root: &Option<Rc<RefCell<TreeNode>>>, results: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(root: Option<Rc<RefCell<TreeNode>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0206_reverse_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn insert(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starts_with`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn starts_with(&self, prefix: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue1`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     queue1: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue2`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     queue2: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.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: `push`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack1`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     stack1: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack2`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     stack2: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.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]   --> problems/p0232_implement_queue_using_stacks.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0234_palindrome_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0303_range_sum_query_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumMatrix`
[INFO] [stdout]  --> problems/p0304_range_sum_query_2d_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumMatrix {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(matrix: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_region`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn update(&mut self, i: i32, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NestedIterator`
[INFO] [stdout]  --> problems/p0341_flatten_nested_list_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct NestedIterator {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flatten`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn flatten(nested_list: NestedInteger) -> VecDeque<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tweets`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     tweets: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `follows`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     follows: HashMap<i32, HashSet<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0355_design_twitter.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: `post_tweet`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn post_tweet(&mut self, user_id: i32, tweet_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_news_feed`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `follow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn follow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unfollow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn unfollow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     map: HashMap<i32, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     values: Vec<Option<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(head: Option<Box<ListNode>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `org`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     org: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `array`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn reset(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn shuffle(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nums`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     nums: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> problems/p0398_random_pick_index.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pick(&self, target: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> problems/p0191_number_of_1_bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isBadVersion` should have a snake case name
[INFO] [stdout]   --> problems/p0278_first_bad_version.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn isBadVersion(&self, n: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_bad_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0528_random_pick_with_weight v0.1.0 (/opt/rustwide/workdir/problems/p0528_random_pick_with_weight)
[INFO] [stdout] warning: variable `nestedList` should have a snake case name
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]  --> problems/p0374_guess_number_higher_or_lower.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 85 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling november_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/november_leetcoding_challenge)
[INFO] [stderr]    Compiling p0519_random_flip_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0519_random_flip_matrix)
[INFO] [stderr]    Compiling p0478_generate_random_point_in_a_circle v0.1.0 (/opt/rustwide/workdir/problems/p0478_generate_random_point_in_a_circle)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> problems/p0528_random_pick_with_weight/src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut obj = Solution::new(vec![1, 3]);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling december_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/december_leetcoding_challenge)
[INFO] [stderr]    Compiling october_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/october_leetcoding_challenge)
[INFO] [stderr]    Compiling problems v0.1.0 (/opt/rustwide/workdir/problems)
[INFO] [stderr]    Compiling august_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/august_leetcoding_challenge)
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling p0535_encode_and_decode_tiny_url v0.1.0 (/opt/rustwide/workdir/problems/p0535_encode_and_decode_tiny_url)
[INFO] [stdout] warning: variable `longURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^ help: convert the identifier to snake case: `long_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shortURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^^ help: convert the identifier to snake case: `short_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `combinationLength` should have a snake case name
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `combination_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut obj = Solution::new(Some(Box::new(t1_1)));
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> problems/p0191_number_of_1_bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isBadVersion` should have a snake case name
[INFO] [stdout]   --> problems/p0278_first_bad_version.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn isBadVersion(&self, n: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_bad_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nestedList` should have a snake case name
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]  --> problems/p0374_guess_number_higher_or_lower.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 52.76s
[INFO] running `Command { std: "docker" "inspect" "4b8a300295ed0291cf3ca1977c4c8c4f74aa2b401cbfe7bdf044d381e5fb4799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8a300295ed0291cf3ca1977c4c8c4f74aa2b401cbfe7bdf044d381e5fb4799", kill_on_drop: false }`
[INFO] [stdout] 4b8a300295ed0291cf3ca1977c4c8c4f74aa2b401cbfe7bdf044d381e5fb4799
