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[INFO] [stdout] d875493b8b29f527c10ae456ee6fd599956f2a87
[INFO] testing Latias94/rust-practice against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLatias94%2Frust-practice" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/Latias94/rust-practice
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[INFO] crate git repo https://github.com/Latias94/rust-practice already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `rustgym_util::*`
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustgym_util::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse` is never used
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stdout]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_nth_from_end` is never used
[INFO] [stdout]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_element` is never used
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `str_str` is never used
[INFO] [stdout]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stdout]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid_sudoku` is never used
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum2` is never used
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `permute` is never used
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_sub_array` is never used
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_jump` is never used
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths` is never used
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_path_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `plus_one` is never used
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `full_justify` is never used
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `my_sqrt` is never used
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_distance` is never used
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combine` is never used
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets` is never used
[INFO] [stdout]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_duplicates` is never used
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets_with_dup` is never used
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn helper(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate` is never used
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_row` is never used
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stdout]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `single_number` is never used
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `convert_to_title` is never used
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `title_to_number` is never used
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stdout]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rob` is never used
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_primes` is never used
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stdout]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stdout]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `contains_duplicate` is never used
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 6  |     fn new(bad: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `first_bad_version` is never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `move_zeroes` is never used
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_string` is never used
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersection` is never used
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersect` is never used
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `X` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut X: i32 = 0;
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `guessNumber` is never used
[INFO] [stdout]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     #[allow(non_snake_case)]
[INFO] [stdout] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `first_uniq_char` is never used
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_content_children` is never used
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stdout]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated functions in this implementation
[INFO] [stdout] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stdout]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_trees` is never used
[INFO] [stdout]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn merge_trees(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stdout]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search` is never used
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `flood_fill` is never used
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_and_earn` is never used
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lemonade_change` is never used
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `middle_node` is never used
[INFO] [stdout]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stdout]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sorted_squares` is never used
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tribonacci` is never used
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `running_sum` is never used
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stdout]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compare_version` is never used
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `corp_flight_bookings` is never used
[INFO] [stdout]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stdout]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `balanced_string_split` is never used
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 153 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling diesel v1.4.7
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling askama_shared v0.11.1
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]    Compiling rustgym-schema v0.1.0 (/opt/rustwide/workdir/schema)
[INFO] [stderr]    Compiling askama v0.10.5
[INFO] [stderr]    Compiling rustgym-readme v0.1.0 (/opt/rustwide/workdir/readme)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "337c921c239289ff898e012b7edee6121284a51303cfb2eeb1e9cd0698ba9a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337c921c239289ff898e012b7edee6121284a51303cfb2eeb1e9cd0698ba9a0d", kill_on_drop: false }`
[INFO] [stdout] 337c921c239289ff898e012b7edee6121284a51303cfb2eeb1e9cd0698ba9a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1505bcec4bc200ff11d07ff59765dfb441f54b3b16d5298cf225a21f0f48d854
[INFO] running `Command { std: "docker" "start" "-a" "1505bcec4bc200ff11d07ff59765dfb441f54b3b16d5298cf225a21f0f48d854", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: unused import: `rustgym_util::*`
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustgym_util::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse` is never used
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stdout]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_nth_from_end` is never used
[INFO] [stdout]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_element` is never used
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `str_str` is never used
[INFO] [stdout]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stdout]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid_sudoku` is never used
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum2` is never used
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `permute` is never used
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_sub_array` is never used
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_jump` is never used
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths` is never used
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_path_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `plus_one` is never used
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `full_justify` is never used
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `my_sqrt` is never used
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_distance` is never used
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combine` is never used
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets` is never used
[INFO] [stdout]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_duplicates` is never used
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets_with_dup` is never used
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn helper(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate` is never used
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_row` is never used
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stdout]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `single_number` is never used
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `convert_to_title` is never used
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `title_to_number` is never used
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stdout]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rob` is never used
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_primes` is never used
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stdout]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stdout]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `contains_duplicate` is never used
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 6  |     fn new(bad: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `first_bad_version` is never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `move_zeroes` is never used
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_string` is never used
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersection` is never used
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersect` is never used
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `X` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut X: i32 = 0;
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `guessNumber` is never used
[INFO] [stdout]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     #[allow(non_snake_case)]
[INFO] [stdout] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `first_uniq_char` is never used
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_content_children` is never used
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stdout]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated functions in this implementation
[INFO] [stdout] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stdout]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_trees` is never used
[INFO] [stdout]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn merge_trees(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stdout]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search` is never used
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `flood_fill` is never used
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_and_earn` is never used
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lemonade_change` is never used
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `middle_node` is never used
[INFO] [stdout]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stdout]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sorted_squares` is never used
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tribonacci` is never used
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `running_sum` is never used
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stdout]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compare_version` is never used
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `corp_flight_bookings` is never used
[INFO] [stdout]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stdout]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `balanced_string_split` is never used
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 153 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rustgym-readme v0.1.0 (/opt/rustwide/workdir/readme)
[INFO] [stderr]    Compiling rustgym-schema v0.1.0 (/opt/rustwide/workdir/schema)
[INFO] [stderr]    Compiling rustgym-consts v0.1.0 (/opt/rustwide/workdir/consts)
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1505bcec4bc200ff11d07ff59765dfb441f54b3b16d5298cf225a21f0f48d854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1505bcec4bc200ff11d07ff59765dfb441f54b3b16d5298cf225a21f0f48d854", kill_on_drop: false }`
[INFO] [stdout] 1505bcec4bc200ff11d07ff59765dfb441f54b3b16d5298cf225a21f0f48d854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2cda50009d30ab9ee1c72b7bea6c7721d63d916496e0240be0e9eef5db00239
[INFO] running `Command { std: "docker" "start" "-a" "d2cda50009d30ab9ee1c72b7bea6c7721d63d916496e0240be0e9eef5db00239", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rustgym_util::*`
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rustgym_util::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |         while let Some(mut node) = cur.take() {
[INFO] [stderr]    |                        ----^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `two_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `add_two_numbers` is never used
[INFO] [stderr]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 24 |     pub fn add_two_numbers(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `length_of_longest_substring` is never used
[INFO] [stderr]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `reverse` is never used
[INFO] [stderr]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stderr]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_nth_from_end` is never used
[INFO] [stderr]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_valid` is never used
[INFO] [stderr]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge_two_lists` is never used
[INFO] [stderr]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 22 |     pub fn merge_two_lists(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_duplicates` is never used
[INFO] [stderr]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_element` is never used
[INFO] [stderr]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `str_str` is never used
[INFO] [stderr]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stderr]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_valid_sudoku` is never used
[INFO] [stderr]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combination_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combination_sum2` is never used
[INFO] [stderr]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `permute` is never used
[INFO] [stderr]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `max_sub_array` is never used
[INFO] [stderr]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `can_jump` is never used
[INFO] [stderr]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `length_of_last_word` is never used
[INFO] [stderr]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `unique_paths` is never used
[INFO] [stderr]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stderr]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_path_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `plus_one` is never used
[INFO] [stderr]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `full_justify` is never used
[INFO] [stderr]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `my_sqrt` is never used
[INFO] [stderr]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `climb_stairs` is never used
[INFO] [stderr]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_distance` is never used
[INFO] [stderr]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combine` is never used
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `subsets` is never used
[INFO] [stderr]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `delete_duplicates` is never used
[INFO] [stderr]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `subsets_with_dup` is never used
[INFO] [stderr]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stderr]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn helper(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_balanced` is never used
[INFO] [stderr]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `generate` is never used
[INFO] [stderr]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_row` is never used
[INFO] [stderr]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `max_profit` is never used
[INFO] [stderr]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stderr]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stderr]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `single_number` is never used
[INFO] [stderr]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `two_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `convert_to_title` is never used
[INFO] [stderr]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `title_to_number` is never used
[INFO] [stderr]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stderr]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `rob` is never used
[INFO] [stderr]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `count_primes` is never used
[INFO] [stderr]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stderr]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stderr]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `contains_duplicate` is never used
[INFO] [stderr]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stderr]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Solution {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 6  |     fn new(bad: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `first_bad_version` is never used
[INFO] [stderr]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Solution {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `move_zeroes` is never used
[INFO] [stderr]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `reverse_string` is never used
[INFO] [stderr]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `intersection` is never used
[INFO] [stderr]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `intersect` is never used
[INFO] [stderr]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `X` is never used
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | static mut X: i32 = 0;
[INFO] [stderr]   |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guess` is never used
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `guessNumber` is never used
[INFO] [stderr]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     #[allow(non_snake_case)]
[INFO] [stderr] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `first_uniq_char` is never used
[INFO] [stderr]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stderr]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find_content_children` is never used
[INFO] [stderr]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stderr]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated functions in this implementation
[INFO] [stderr] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stderr]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge_trees` is never used
[INFO] [stderr]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 28 |     pub fn merge_trees(
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stderr]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `search` is never used
[INFO] [stderr]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `flood_fill` is never used
[INFO] [stderr]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `delete_and_earn` is never used
[INFO] [stderr]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stderr]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `lemonade_change` is never used
[INFO] [stderr]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `middle_node` is never used
[INFO] [stderr]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stderr]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `sorted_squares` is never used
[INFO] [stderr]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `tribonacci` is never used
[INFO] [stderr]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `running_sum` is never used
[INFO] [stderr]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stderr]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stderr]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `compare_version` is never used
[INFO] [stderr]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `corp_flight_bookings` is never used
[INFO] [stderr]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stderr]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `balanced_string_split` is never used
[INFO] [stderr]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 153 warnings (run `cargo fix --lib -p leetcode` to apply 2 suggestions)
[INFO] [stderr] warning: `leetcode` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-4edf35b92a397d37)
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test s0026_remove_duplicates_from_sorted_array::tests::test ... ok
[INFO] [stdout] test s0019_remove_nth_node_from_end_of_list::tests::test ... ok
[INFO] [stdout] test s0001_two_sum::tests::test ... ok
[INFO] [stdout] test s0002_add_two_numbers::tests::test ... ok
[INFO] [stdout] test s0009_palindrome_number::tests::test ... ok
[INFO] [stdout] test s0003_longest_substring_without_repeating_characters::tests::test ... ok
[INFO] [stdout] test s0021_merge_two_sorted_lists::tests::test ... ok
[INFO] [stdout] test s0020_valid_parentheses::tests::test ... ok
[INFO] [stdout] test s0007_reverse_integer::tests::test ... ok
[INFO] [stdout] test offer0022_lian_biao_zhong_dao_shu_di_kge_jie_dian_lcof::tests::test ... ok
[INFO] [stdout] test s0034_find_first_and_last_position_of_element_in_sorted_array::tests::test ... ok
[INFO] [stdout] test s0027_remove_element::tests::test ... ok
[INFO] [stdout] test s0028_implement_strstr::tests::test ... ok
[INFO] [stdout] test s0036_valid_sudoku::tests::test ... ok
[INFO] [stdout] test s0046_permutations::tests::test ... ok
[INFO] [stdout] test s0039_combination_sum::tests::test ... ok
[INFO] [stdout] test s0064_minimum_path_sum::tests::test ... ok
[INFO] [stdout] test s0063_unique_paths_ii::tests::test ... ok
[INFO] [stdout] test s0070_climbing_stairs::tests::test ... ok
[INFO] [stdout] test s0069_sqrtx::tests::test ... ok
[INFO] [stdout] test s0068_text_justification::tests::test ... ok
[INFO] [stdout] test s0077_combinations::tests::test ... ok
[INFO] [stdout] test s0119_pascals_triangle_ii::tests::test ... ok
[INFO] [stdout] test s0053_maximum_subarray::tests::maximum_subarray_1 ... ok
[INFO] [stdout] test s0125_valid_palindrome::tests::test ... ok
[INFO] [stdout] test s0124_binary_tree_maximum_path_sum::tests::test ... ok
[INFO] [stdout] test s0136_single_number::tests::test ... ok
[INFO] [stdout] test s0121_best_time_to_buy_and_sell_stock::tests::test ... ok
[INFO] [stdout] test s0040_combination_sum_ii::tests::test ... ok
[INFO] [stdout] test s0118_pascals_triangle::tests::test ... ok
[INFO] [stdout] test s0171_excel_sheet_column_number::tests::test ... ok
[INFO] [stdout] test s0165_compare_version_numbers::tests::test ... ok
[INFO] [stdout] test s0189_rotate_array::tests::test ... ok
[INFO] [stdout] test s0055_jump_game::tests::test ... ok
[INFO] [stdout] test s0167_two_sum_ii_input_array_is_sorted::tests::test ... ok
[INFO] [stdout] test s0035_search_insert_position::tests::test ... ok
[INFO] [stdout] test s0204_count_primes::tests::test ... ok
[INFO] [stdout] test s0078_subsets::tests::test ... ok
[INFO] [stdout] test s0066_plus_one::tests::test ... ok
[INFO] [stdout] test s0062_unique_paths::tests::test ... ok
[INFO] [stdout] test s0090_subsets_ii::tests::test ... ok
[INFO] [stdout] test s0083_remove_duplicates_from_sorted_list::tests::test ... ok
[INFO] [stdout] test s0105_construct_binary_tree_from_preorder_and_inorder_traversal::tests::test ... ok
[INFO] [stdout] test s0058_length_of_last_word::tests::test ... ok
[INFO] [stdout] test s0110_balanced_binary_tree::tests::test ... ok
[INFO] [stdout] test s0198_house_robber::tests::test ... ok
[INFO] [stdout] test s0168_excel_sheet_column_title::tests::test ... ok
[INFO] [stdout] test s0072_edit_distance::tests::test ... ok
[INFO] [stdout] test s0206_reverse_linked_list::tests::test ... ok
[INFO] [stdout] test s0344_reverse_string::tests::test ... ok
[INFO] [stdout] test s0387_first_unique_character_in_a_string::tests::test ... ok
[INFO] [stdout] test s0452_minimum_number_of_arrows_to_burst_balloons::tests::test ... ok
[INFO] [stdout] test s0374_guess_number_higher_or_lower::tests::test ... ok
[INFO] [stdout] test s0455_assign_cookies::tests::test ... ok
[INFO] [stdout] test s0740_delete_and_earn::tests::test ... ok
[INFO] [stdout] test s0350_intersection_of_two_arrays_ii::tests::test ... ok
[INFO] [stdout] test s0733_flood_fill::tests::test ... ok
[INFO] [stdout] test s0206_reverse_linked_list::tests::test_recursive ... ok
[INFO] [stdout] test s0860_lemonade_change::tests::test ... ok
[INFO] [stdout] test s0746_min_cost_climbing_stairs::tests::test ... ok
[INFO] [stdout] test s0349_intersection_of_two_arrays::tests::test ... ok
[INFO] [stdout] test s0283_move_zeroes::tests::test ... ok
[INFO] [stdout] test s0704_binary_search::tests::test ... ok
[INFO] [stdout] test s0217_contains_duplicate::tests::test ... ok
[INFO] [stdout] test s0695_max_area_of_island::tests::test ... ok
[INFO] [stdout] test s0617_merge_two_binary_trees::tests::test ... ok
[INFO] [stdout] test s0509_fibonacci_number::tests::fibonacci_number_1 ... ok
[INFO] [stdout] test s0557_reverse_words_in_a_string_iii::tests::test ... ok
[INFO] [stdout] test s0213_house_robber_ii::tests::test ... ok
[INFO] [stdout] test s0278_first_bad_version::tests::test ... ok
[INFO] [stdout] test s1109_corporate_flight_bookings::tests::test ... ok
[INFO] [stdout] test s1137_n_th_tribonacci_number::tests::test ... ok
[INFO] [stdout] test s0977_squares_of_a_sorted_array::tests::test ... ok
[INFO] [stdout] test s1160_find_words_that_can_be_formed_by_characters::tests::test ... ok
[INFO] [stdout] test s1480_running_sum_of_1d_array::tests::test ... ok
[INFO] [stdout] test s0912_sort_an_array::tests::test ... ok
[INFO] [stdout] test s0876_middle_of_the_linked_list::tests::test ... ok
[INFO] [stdout] test s1979_find_greatest_common_divisor_of_array::tests::test ... ok
[INFO] [stdout] test s1588_sum_of_all_odd_length_subarrays::tests::test ... ok
[INFO] [stdout] test s1221_split_a_string_in_balanced_strings::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 80 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustgym_consts-d11199dcdd443d96)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustgym_readme-8ee543a56b83a7c3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustgym_schema-b80afa66f04002d9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test leetcode/src/s0374_guess_number_higher_or_lower.rs - s0374_guess_number_higher_or_lower::Solution (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- leetcode/src/s0374_guess_number_higher_or_lower.rs - s0374_guess_number_higher_or_lower::Solution (line 16) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `if`
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:17:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | 1 if num is higher than the guess number
[INFO] [stdout]   |   ^^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     leetcode/src/s0374_guess_number_higher_or_lower.rs - s0374_guess_number_higher_or_lower::Solution (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p leetcode --doc`
[INFO] running `Command { std: "docker" "inspect" "d2cda50009d30ab9ee1c72b7bea6c7721d63d916496e0240be0e9eef5db00239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cda50009d30ab9ee1c72b7bea6c7721d63d916496e0240be0e9eef5db00239", kill_on_drop: false }`
[INFO] [stdout] d2cda50009d30ab9ee1c72b7bea6c7721d63d916496e0240be0e9eef5db00239
[INFO] testing Latias94/rust-practice against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLatias94%2Frust-practice" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Latias94/rust-practice on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Latias94/rust-practice
[INFO] finished tweaking git repo https://github.com/Latias94/rust-practice
[INFO] tweaked toml for git repo https://github.com/Latias94/rust-practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Latias94/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 81d0849efc5702e611fc09dabb818bfc57d743f9a94ff150f6378a01b6aa209d
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[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stdout] warning: unused import: `rustgym_util::*`
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustgym_util::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse` is never used
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stdout]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_nth_from_end` is never used
[INFO] [stdout]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_element` is never used
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `str_str` is never used
[INFO] [stdout]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stdout]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid_sudoku` is never used
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum2` is never used
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `permute` is never used
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_sub_array` is never used
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_jump` is never used
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths` is never used
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_path_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `plus_one` is never used
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `full_justify` is never used
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `my_sqrt` is never used
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_distance` is never used
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combine` is never used
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets` is never used
[INFO] [stdout]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_duplicates` is never used
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets_with_dup` is never used
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn helper(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate` is never used
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_row` is never used
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stdout]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `single_number` is never used
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `convert_to_title` is never used
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `title_to_number` is never used
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stdout]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rob` is never used
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_primes` is never used
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stdout]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stdout]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `contains_duplicate` is never used
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 6  |     fn new(bad: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `first_bad_version` is never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `move_zeroes` is never used
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_string` is never used
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersection` is never used
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersect` is never used
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `X` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut X: i32 = 0;
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `guessNumber` is never used
[INFO] [stdout]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     #[allow(non_snake_case)]
[INFO] [stdout] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `first_uniq_char` is never used
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_content_children` is never used
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stdout]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated functions in this implementation
[INFO] [stdout] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stdout]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_trees` is never used
[INFO] [stdout]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn merge_trees(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stdout]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search` is never used
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `flood_fill` is never used
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_and_earn` is never used
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lemonade_change` is never used
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `middle_node` is never used
[INFO] [stdout]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stdout]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sorted_squares` is never used
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tribonacci` is never used
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `running_sum` is never used
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stdout]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compare_version` is never used
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `corp_flight_bookings` is never used
[INFO] [stdout]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stdout]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `balanced_string_split` is never used
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 153 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-util v0.3.1
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[INFO] [stderr]    Compiling rustgym-schema v0.1.0 (/opt/rustwide/workdir/schema)
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "81d0849efc5702e611fc09dabb818bfc57d743f9a94ff150f6378a01b6aa209d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d0849efc5702e611fc09dabb818bfc57d743f9a94ff150f6378a01b6aa209d", kill_on_drop: false }`
[INFO] [stdout] 81d0849efc5702e611fc09dabb818bfc57d743f9a94ff150f6378a01b6aa209d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829ffd0dd4a040ae2e9673735395bf66b6ea27add3ffc64ca6d96cc216e405de
[INFO] running `Command { std: "docker" "start" "-a" "829ffd0dd4a040ae2e9673735395bf66b6ea27add3ffc64ca6d96cc216e405de", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
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[INFO] [stderr]    Compiling regex-automata v0.1.10
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[INFO] [stdout] warning: unused import: `rustgym_util::*`
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustgym_util::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse` is never used
[INFO] [stdout]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stdout]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_nth_from_end` is never used
[INFO] [stdout]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_element` is never used
[INFO] [stdout]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `str_str` is never used
[INFO] [stdout]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stdout]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid_sudoku` is never used
[INFO] [stdout]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combination_sum2` is never used
[INFO] [stdout]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `permute` is never used
[INFO] [stdout]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_sub_array` is never used
[INFO] [stdout]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_jump` is never used
[INFO] [stdout]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths` is never used
[INFO] [stdout]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stdout]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_path_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `plus_one` is never used
[INFO] [stdout]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `full_justify` is never used
[INFO] [stdout]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `my_sqrt` is never used
[INFO] [stdout]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_distance` is never used
[INFO] [stdout]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `combine` is never used
[INFO] [stdout]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets` is never used
[INFO] [stdout]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_duplicates` is never used
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subsets_with_dup` is never used
[INFO] [stdout]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn helper(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate` is never used
[INFO] [stdout]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_row` is never used
[INFO] [stdout]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stdout]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stdout]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `single_number` is never used
[INFO] [stdout]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `convert_to_title` is never used
[INFO] [stdout]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `title_to_number` is never used
[INFO] [stdout]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stdout]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rob` is never used
[INFO] [stdout]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_primes` is never used
[INFO] [stdout]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stdout]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stdout]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `contains_duplicate` is never used
[INFO] [stdout]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 6  |     fn new(bad: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `first_bad_version` is never used
[INFO] [stdout]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `move_zeroes` is never used
[INFO] [stdout]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_string` is never used
[INFO] [stdout]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersection` is never used
[INFO] [stdout]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `intersect` is never used
[INFO] [stdout]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `X` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut X: i32 = 0;
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess` is never used
[INFO] [stdout]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `guessNumber` is never used
[INFO] [stdout]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     #[allow(non_snake_case)]
[INFO] [stdout] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `first_uniq_char` is never used
[INFO] [stdout]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stdout]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_content_children` is never used
[INFO] [stdout]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stdout]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated functions in this implementation
[INFO] [stdout] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stdout]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_trees` is never used
[INFO] [stdout]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn merge_trees(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stdout]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search` is never used
[INFO] [stdout]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `flood_fill` is never used
[INFO] [stdout]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `delete_and_earn` is never used
[INFO] [stdout]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stdout]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lemonade_change` is never used
[INFO] [stdout]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `middle_node` is never used
[INFO] [stdout]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stdout]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sorted_squares` is never used
[INFO] [stdout]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tribonacci` is never used
[INFO] [stdout]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `running_sum` is never used
[INFO] [stdout]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stdout]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stdout]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compare_version` is never used
[INFO] [stdout]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `corp_flight_bookings` is never used
[INFO] [stdout]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stdout]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `balanced_string_split` is never used
[INFO] [stdout]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 153 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustgym-readme v0.1.0 (/opt/rustwide/workdir/readme)
[INFO] [stderr]    Compiling rustgym-schema v0.1.0 (/opt/rustwide/workdir/schema)
[INFO] [stderr]    Compiling rustgym-consts v0.1.0 (/opt/rustwide/workdir/consts)
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         while let Some(mut node) = cur.take() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "829ffd0dd4a040ae2e9673735395bf66b6ea27add3ffc64ca6d96cc216e405de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829ffd0dd4a040ae2e9673735395bf66b6ea27add3ffc64ca6d96cc216e405de", kill_on_drop: false }`
[INFO] [stdout] 829ffd0dd4a040ae2e9673735395bf66b6ea27add3ffc64ca6d96cc216e405de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38adae140f54227b056c978656fb39e1af303f60315c2e212a99f09d3480e038
[INFO] running `Command { std: "docker" "start" "-a" "38adae140f54227b056c978656fb39e1af303f60315c2e212a99f09d3480e038", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rustgym_util::*`
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rustgym_util::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |         while let Some(mut node) = cur.take() {
[INFO] [stderr]    |                        ----^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0001_two_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `two_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0001_two_sum.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0002_add_two_numbers.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `add_two_numbers` is never used
[INFO] [stderr]   --> leetcode/src/s0002_add_two_numbers.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 24 |     pub fn add_two_numbers(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `length_of_longest_substring` is never used
[INFO] [stderr]  --> leetcode/src/s0003_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0007_reverse_integer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `reverse` is never used
[INFO] [stderr]  --> leetcode/src/s0007_reverse_integer.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0009_palindrome_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome` and `reverse` are never used
[INFO] [stderr]   --> leetcode/src/s0009_palindrome_number.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_nth_from_end` is never used
[INFO] [stderr]   --> leetcode/src/s0019_remove_nth_node_from_end_of_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0020_valid_parentheses.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_valid` is never used
[INFO] [stderr]  --> leetcode/src/s0020_valid_parentheses.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn is_valid(s: String) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0021_merge_two_sorted_lists.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge_two_lists` is never used
[INFO] [stderr]   --> leetcode/src/s0021_merge_two_sorted_lists.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 22 |     pub fn merge_two_lists(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_duplicates` is never used
[INFO] [stderr]  --> leetcode/src/s0026_remove_duplicates_from_sorted_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0027_remove_element.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_element` is never used
[INFO] [stderr]  --> leetcode/src/s0027_remove_element.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `str_str` is never used
[INFO] [stderr]  --> leetcode/src/s0028_implement_strstr.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `search_range` and `get_bound` are never used
[INFO] [stderr]   --> leetcode/src/s0034_find_first_and_last_position_of_element_in_sorted_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub fn get_bound(nums: &[i32], target: i32, is_left: bool) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0036_valid_sudoku.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_valid_sudoku` is never used
[INFO] [stderr]  --> leetcode/src/s0036_valid_sudoku.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn is_valid_sudoku(board: Vec<Vec<char>>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0039_combination_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combination_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0039_combination_sum.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn combination_sum(candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0040_combination_sum_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combination_sum2` is never used
[INFO] [stderr]  --> leetcode/src/s0040_combination_sum_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn combination_sum2(mut candidates: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0046_permutations.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `permute` is never used
[INFO] [stderr]  --> leetcode/src/s0046_permutations.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0053_maximum_subarray.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `max_sub_array` is never used
[INFO] [stderr]  --> leetcode/src/s0053_maximum_subarray.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0055_jump_game.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `can_jump` is never used
[INFO] [stderr]  --> leetcode/src/s0055_jump_game.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0058_length_of_last_word.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `length_of_last_word` is never used
[INFO] [stderr]  --> leetcode/src/s0058_length_of_last_word.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0062_unique_paths.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `unique_paths` is never used
[INFO] [stderr]  --> leetcode/src/s0062_unique_paths.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn unique_paths(m: i32, n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0063_unique_paths_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `unique_paths_with_obstacles` is never used
[INFO] [stderr]  --> leetcode/src/s0063_unique_paths_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0064_minimum_path_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_path_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0064_minimum_path_sum.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0066_plus_one.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `plus_one` is never used
[INFO] [stderr]  --> leetcode/src/s0066_plus_one.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0068_text_justification.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `full_justify` is never used
[INFO] [stderr]  --> leetcode/src/s0068_text_justification.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn full_justify(words: Vec<String>, max_width: i32) -> Vec<String> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0069_sqrtx.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `my_sqrt` is never used
[INFO] [stderr]  --> leetcode/src/s0069_sqrtx.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0070_climbing_stairs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `climb_stairs` is never used
[INFO] [stderr]  --> leetcode/src/s0070_climbing_stairs.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0072_edit_distance.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_distance` is never used
[INFO] [stderr]  --> leetcode/src/s0072_edit_distance.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn min_distance(word1: String, word2: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `combine` is never used
[INFO] [stderr]  --> leetcode/src/s0077_combinations.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `subsets` is never used
[INFO] [stderr]  --> leetcode/src/s0078_subsets.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `delete_duplicates` is never used
[INFO] [stderr]   --> leetcode/src/s0083_remove_duplicates_from_sorted_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn delete_duplicates(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0090_subsets_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `subsets_with_dup` is never used
[INFO] [stderr]  --> leetcode/src/s0090_subsets_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn subsets_with_dup(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `build_tree` and `helper` are never used
[INFO] [stderr]   --> leetcode/src/s0105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 28 |     pub fn build_tree(preorder: Vec<i32>, inorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn helper(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0110_balanced_binary_tree.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_balanced` is never used
[INFO] [stderr]   --> leetcode/src/s0110_balanced_binary_tree.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 43 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0118_pascals_triangle.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `generate` is never used
[INFO] [stderr]  --> leetcode/src/s0118_pascals_triangle.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0119_pascals_triangle_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_row` is never used
[INFO] [stderr]  --> leetcode/src/s0119_pascals_triangle_ii.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn get_row(row_index: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `max_profit` is never used
[INFO] [stderr]  --> leetcode/src/s0121_best_time_to_buy_and_sell_stock.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 8 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `max_path_sum` and `helper` are never used
[INFO] [stderr]   --> leetcode/src/s0124_binary_tree_maximum_path_sum.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 29 |     pub fn max_path_sum(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn helper(root: &Option<Rc<RefCell<TreeNode>>>, max_sum: &mut i32) -> i32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0125_valid_palindrome.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome`, `is_num_or_alphabet`, and `to_upper` are never used
[INFO] [stderr]   --> leetcode/src/s0125_valid_palindrome.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn is_num_or_alphabet(c: u8) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     fn to_upper(c: u8) -> u8 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0136_single_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `single_number` is never used
[INFO] [stderr]  --> leetcode/src/s0136_single_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `two_sum` is never used
[INFO] [stderr]  --> leetcode/src/s0167_two_sum_ii_input_array_is_sorted.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn two_sum(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0168_excel_sheet_column_title.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `convert_to_title` is never used
[INFO] [stderr]  --> leetcode/src/s0168_excel_sheet_column_title.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn convert_to_title(column_number: i32) -> String {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0171_excel_sheet_column_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `title_to_number` is never used
[INFO] [stderr]  --> leetcode/src/s0171_excel_sheet_column_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `rotate` and `rotate_array` are never used
[INFO] [stderr]   --> leetcode/src/s0189_rotate_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn rotate_array(nums: &mut [i32], mut start: usize, mut end: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0198_house_robber.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `rob` is never used
[INFO] [stderr]  --> leetcode/src/s0198_house_robber.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0204_count_primes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `count_primes` is never used
[INFO] [stderr]  --> leetcode/src/s0204_count_primes.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn count_primes(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0206_reverse_linked_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `reverse_list` and `reverse_list_recursive` are never used
[INFO] [stderr]   --> leetcode/src/s0206_reverse_linked_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 23 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn reverse_list_recursive(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0213_house_robber_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `rob` and `rob_slice` are never used
[INFO] [stderr]   --> leetcode/src/s0213_house_robber_ii.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 7  |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn rob_slice(nums: &[i32]) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0217_contains_duplicate.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `contains_duplicate` is never used
[INFO] [stderr]  --> leetcode/src/s0217_contains_duplicate.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0278_first_bad_version.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `isBadVersion` are never used
[INFO] [stderr]   --> leetcode/src/s0278_first_bad_version.rs:6:8
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Solution {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 6  |     fn new(bad: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn isBadVersion(&self, version: i32) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `first_bad_version` is never used
[INFO] [stderr]   --> leetcode/src/s0278_first_bad_version.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Solution {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 22 |     pub fn first_bad_version(&self, n: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0283_move_zeroes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `move_zeroes` is never used
[INFO] [stderr]  --> leetcode/src/s0283_move_zeroes.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0344_reverse_string.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `reverse_string` is never used
[INFO] [stderr]  --> leetcode/src/s0344_reverse_string.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `intersection` is never used
[INFO] [stderr]  --> leetcode/src/s0349_intersection_of_two_arrays.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn intersection(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `intersect` is never used
[INFO] [stderr]  --> leetcode/src/s0350_intersection_of_two_arrays_ii.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `X` is never used
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | static mut X: i32 = 0;
[INFO] [stderr]   |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guess` is never used
[INFO] [stderr]  --> leetcode/src/s0374_guess_number_higher_or_lower.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | unsafe fn guess(num: i32) -> i32 {
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `guessNumber` is never used
[INFO] [stderr]   --> leetcode/src/s0374_guess_number_higher_or_lower.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     #[allow(non_snake_case)]
[INFO] [stderr] 24 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `first_uniq_char` is never used
[INFO] [stderr]  --> leetcode/src/s0387_first_unique_character_in_a_string.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find_min_arrow_shots` is never used
[INFO] [stderr]  --> leetcode/src/s0452_minimum_number_of_arrows_to_burst_balloons.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn find_min_arrow_shots(mut points: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0455_assign_cookies.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find_content_children` is never used
[INFO] [stderr]  --> leetcode/src/s0455_assign_cookies.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn find_content_children(mut children: Vec<i32>, mut cookies: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `fib` and `fib_tail` are never used
[INFO] [stderr]  --> leetcode/src/s0509_fibonacci_number.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated functions in this implementation
[INFO] [stderr] 6 |     pub fn fib(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     pub fn fib_tail(n: i32, a: i32, b: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `reverse_words` and `reverse_bytes` are never used
[INFO] [stderr]   --> leetcode/src/s0557_reverse_words_in_a_string_iii.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn reverse_words(s: String) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn reverse_bytes(s: &mut [u8]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0617_merge_two_binary_trees.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge_trees` is never used
[INFO] [stderr]   --> leetcode/src/s0617_merge_two_binary_trees.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 28 |     pub fn merge_trees(
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0695_max_area_of_island.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `max_area_of_island` and `dfs` are never used
[INFO] [stderr]   --> leetcode/src/s0695_max_area_of_island.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn max_area_of_island(mut grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn dfs(grid: &mut Vec<Vec<i32>>, i: i32, j: i32) -> i32 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0704_binary_search.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `search` is never used
[INFO] [stderr]  --> leetcode/src/s0704_binary_search.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0733_flood_fill.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `flood_fill` is never used
[INFO] [stderr]  --> leetcode/src/s0733_flood_fill.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, new_color: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0740_delete_and_earn.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `delete_and_earn` is never used
[INFO] [stderr]  --> leetcode/src/s0740_delete_and_earn.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn delete_and_earn(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_cost_climbing_stairs` is never used
[INFO] [stderr]  --> leetcode/src/s0746_min_cost_climbing_stairs.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn min_cost_climbing_stairs(cost: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0860_lemonade_change.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `lemonade_change` is never used
[INFO] [stderr]  --> leetcode/src/s0860_lemonade_change.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn lemonade_change(bills: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0876_middle_of_the_linked_list.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `middle_node` is never used
[INFO] [stderr]   --> leetcode/src/s0876_middle_of_the_linked_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn middle_node(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `sort_array` and `quick_sort` are never used
[INFO] [stderr]   --> leetcode/src/s0912_sort_an_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn sort_array(mut nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `sorted_squares` is never used
[INFO] [stderr]  --> leetcode/src/s0977_squares_of_a_sorted_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn sorted_squares(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `tribonacci` is never used
[INFO] [stderr]  --> leetcode/src/s1137_n_th_tribonacci_number.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn tribonacci(n: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `running_sum` is never used
[INFO] [stderr]  --> leetcode/src/s1480_running_sum_of_1d_array.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn running_sum(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `sum_odd_length_subarrays` is never used
[INFO] [stderr]  --> leetcode/src/s1588_sum_of_all_odd_length_subarrays.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn sum_odd_length_subarrays(arr: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `find_gcd` and `gcd` are never used
[INFO] [stderr]   --> leetcode/src/s1979_find_greatest_common_divisor_of_array.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn find_gcd(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn gcd(mut n: i32, mut m: i32) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s0165_compare_version_numbers.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `compare_version` is never used
[INFO] [stderr]  --> leetcode/src/s0165_compare_version_numbers.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn compare_version(version1: String, version2: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `corp_flight_bookings` is never used
[INFO] [stderr]  --> leetcode/src/s1109_corporate_flight_bookings.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn corp_flight_bookings(bookings: Vec<Vec<i32>>, n: i32) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `count_characters` and `create_map_from_string` are never used
[INFO] [stderr]   --> leetcode/src/s1160_find_words_that_can_be_formed_by_characters.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 7  |     pub fn count_characters(words: Vec<String>, chars: String) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn create_map_from_string(word: &str) -> HashMap<u8, u32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `balanced_string_split` is never used
[INFO] [stderr]  --> leetcode/src/s1221_split_a_string_in_balanced_strings.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 5 |     pub fn balanced_string_split(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 153 warnings (run `cargo fix --lib -p leetcode` to apply 2 suggestions)
[INFO] [stderr] warning: `leetcode` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-e7229a0cc3c30e3f)
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test offer0022_lian_biao_zhong_dao_shu_di_kge_jie_dian_lcof::tests::test ... ok
[INFO] [stdout] test s0002_add_two_numbers::tests::test ... ok
[INFO] [stdout] test s0001_two_sum::tests::test ... ok
[INFO] [stdout] test s0003_longest_substring_without_repeating_characters::tests::test ... ok
[INFO] [stdout] test s0007_reverse_integer::tests::test ... ok
[INFO] [stdout] test s0009_palindrome_number::tests::test ... ok
[INFO] [stdout] test s0019_remove_nth_node_from_end_of_list::tests::test ... ok
[INFO] [stdout] test s0020_valid_parentheses::tests::test ... ok
[INFO] [stdout] test s0021_merge_two_sorted_lists::tests::test ... ok
[INFO] [stdout] test s0026_remove_duplicates_from_sorted_array::tests::test ... ok
[INFO] [stdout] test s0027_remove_element::tests::test ... ok
[INFO] [stdout] test s0028_implement_strstr::tests::test ... ok
[INFO] [stdout] test s0034_find_first_and_last_position_of_element_in_sorted_array::tests::test ... ok
[INFO] [stdout] test s0035_search_insert_position::tests::test ... ok
[INFO] [stdout] test s0036_valid_sudoku::tests::test ... ok
[INFO] [stdout] test s0039_combination_sum::tests::test ... ok
[INFO] [stdout] test s0040_combination_sum_ii::tests::test ... ok
[INFO] [stdout] test s0046_permutations::tests::test ... ok
[INFO] [stdout] test s0055_jump_game::tests::test ... ok
[INFO] [stdout] test s0062_unique_paths::tests::test ... ok
[INFO] [stdout] test s0058_length_of_last_word::tests::test ... ok
[INFO] [stdout] test s0063_unique_paths_ii::tests::test ... ok
[INFO] [stdout] test s0066_plus_one::tests::test ... ok
[INFO] [stdout] test s0069_sqrtx::tests::test ... ok
[INFO] [stdout] test s0064_minimum_path_sum::tests::test ... ok
[INFO] [stdout] test s0078_subsets::tests::test ... ok
[INFO] [stdout] test s0053_maximum_subarray::tests::maximum_subarray_1 ... ok
[INFO] [stdout] test s0077_combinations::tests::test ... ok
[INFO] [stdout] test s0068_text_justification::tests::test ... ok
[INFO] [stdout] test s0070_climbing_stairs::tests::test ... ok
[INFO] [stdout] test s0090_subsets_ii::tests::test ... ok
[INFO] [stdout] test s0105_construct_binary_tree_from_preorder_and_inorder_traversal::tests::test ... ok
[INFO] [stdout] test s0110_balanced_binary_tree::tests::test ... ok
[INFO] [stdout] test s0119_pascals_triangle_ii::tests::test ... ok
[INFO] [stdout] test s0121_best_time_to_buy_and_sell_stock::tests::test ... ok
[INFO] [stdout] test s0124_binary_tree_maximum_path_sum::tests::test ... ok
[INFO] [stdout] test s0083_remove_duplicates_from_sorted_list::tests::test ... ok
[INFO] [stdout] test s0072_edit_distance::tests::test ... ok
[INFO] [stdout] test s0125_valid_palindrome::tests::test ... ok
[INFO] [stdout] test s0118_pascals_triangle::tests::test ... ok
[INFO] [stdout] test s0167_two_sum_ii_input_array_is_sorted::tests::test ... ok
[INFO] [stdout] test s0165_compare_version_numbers::tests::test ... ok
[INFO] [stdout] test s0168_excel_sheet_column_title::tests::test ... ok
[INFO] [stdout] test s0136_single_number::tests::test ... ok
[INFO] [stdout] test s0171_excel_sheet_column_number::tests::test ... ok
[INFO] [stdout] test s0189_rotate_array::tests::test ... ok
[INFO] [stdout] test s0198_house_robber::tests::test ... ok
[INFO] [stdout] test s0204_count_primes::tests::test ... ok
[INFO] [stdout] test s0206_reverse_linked_list::tests::test ... ok
[INFO] [stdout] test s0206_reverse_linked_list::tests::test_recursive ... ok
[INFO] [stdout] test s0213_house_robber_ii::tests::test ... ok
[INFO] [stdout] test s0217_contains_duplicate::tests::test ... ok
[INFO] [stdout] test s0344_reverse_string::tests::test ... ok
[INFO] [stdout] test s0283_move_zeroes::tests::test ... ok
[INFO] [stdout] test s0278_first_bad_version::tests::test ... ok
[INFO] [stdout] test s0350_intersection_of_two_arrays_ii::tests::test ... ok
[INFO] [stdout] test s0374_guess_number_higher_or_lower::tests::test ... ok
[INFO] [stdout] test s0387_first_unique_character_in_a_string::tests::test ... ok
[INFO] [stdout] test s0557_reverse_words_in_a_string_iii::tests::test ... ok
[INFO] [stdout] test s0617_merge_two_binary_trees::tests::test ... ok
[INFO] [stdout] test s0509_fibonacci_number::tests::fibonacci_number_1 ... ok
[INFO] [stdout] test s0695_max_area_of_island::tests::test ... ok
[INFO] [stdout] test s0455_assign_cookies::tests::test ... ok
[INFO] [stdout] test s0452_minimum_number_of_arrows_to_burst_balloons::tests::test ... ok
[INFO] [stdout] test s0733_flood_fill::tests::test ... ok
[INFO] [stdout] test s0740_delete_and_earn::tests::test ... ok
[INFO] [stdout] test s0704_binary_search::tests::test ... ok
[INFO] [stdout] test s0977_squares_of_a_sorted_array::tests::test ... ok
[INFO] [stdout] test s0860_lemonade_change::tests::test ... ok
[INFO] [stdout] test s1109_corporate_flight_bookings::tests::test ... ok
[INFO] [stdout] test s0746_min_cost_climbing_stairs::tests::test ... ok
[INFO] [stdout] test s1588_sum_of_all_odd_length_subarrays::tests::test ... ok
[INFO] [stdout] test s0912_sort_an_array::tests::test ... ok
[INFO] [stdout] test s1979_find_greatest_common_divisor_of_array::tests::test ... ok
[INFO] [stdout] test s1137_n_th_tribonacci_number::tests::test ... ok
[INFO] [stdout] test s1160_find_words_that_can_be_formed_by_characters::tests::test ... ok
[INFO] [stdout] test s0876_middle_of_the_linked_list::tests::test ... ok
[INFO] [stdout] test s1221_split_a_string_in_balanced_strings::tests::test ... ok
[INFO] [stdout] test s1480_running_sum_of_1d_array::tests::test ... ok
[INFO] [stdout] test s0349_intersection_of_two_arrays::tests::test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- s0349_intersection_of_two_arrays::tests::test stdout ----
[INFO] [stdout] thread 's0349_intersection_of_two_arrays::tests::test' panicked at leetcode/src/s0349_intersection_of_two_arrays.rs:31:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [4, 9]
[INFO] [stdout]  right: [9, 4]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555df07cc756 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x555df07cc756 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555df07cc756 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x555df07cc756 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555df07f5410 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x555df07f5410 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x555df07c9faf - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x555df07cc534 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555df07cc534 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555df07ce2a7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x555df07cdf8d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x555df07956d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x555df07956d7 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x555df07ce8c6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x555df07ce8c6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x555df07ce612 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x555df07ccc56 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x555df07ce364 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x555df06f6855 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x555df06f6c8b - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x555df074a33e - core::panicking::assert_failed::h0af5c5113ef26469
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x555df072a08d - leetcode::s0349_intersection_of_two_arrays::tests::test::h6bab3c00e2271b26
[INFO] [stdout]                                at /opt/rustwide/workdir/leetcode/src/s0349_intersection_of_two_arrays.rs:31:9
[INFO] [stdout]   22:     0x555df0729ac7 - leetcode::s0349_intersection_of_two_arrays::tests::test::{{closure}}::he1b378ee5d2ba522
[INFO] [stdout]                                at /opt/rustwide/workdir/leetcode/src/s0349_intersection_of_two_arrays.rs:25:14
[INFO] [stdout]   23:     0x555df071ed36 - core::ops::function::FnOnce::call_once::h9a60ebdce75cde08
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x555df079b2cf - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x555df079b2cf - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x555df079a0f1 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x555df079a0f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x555df079a0f1 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x555df079a0f1 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x555df079a0f1 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x555df079a0f1 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x555df079a0f1 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x555df0761556 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x555df0761556 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x555df0766517 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x555df0766517 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x555df0766517 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x555df0766517 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x555df0766517 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x555df0766517 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x555df0766517 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x555df07d2c65 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x555df07d2c65 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x555df07d2c65 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f5c8cc6bac3 - <unknown>
[INFO] [stdout]   46:     0x7f5c8ccfcbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     s0349_intersection_of_two_arrays::tests::test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 79 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p leetcode --lib`
[INFO] running `Command { std: "docker" "inspect" "38adae140f54227b056c978656fb39e1af303f60315c2e212a99f09d3480e038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38adae140f54227b056c978656fb39e1af303f60315c2e212a99f09d3480e038", kill_on_drop: false }`
[INFO] [stdout] 38adae140f54227b056c978656fb39e1af303f60315c2e212a99f09d3480e038
