[INFO] cloning repository https://github.com/xyzBits/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xyzBits/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxyzBits%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxyzBits%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f33b862273b410026cba04d47ea654a6c9a2b77
[INFO] checking xyzBits/leetcode-rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxyzBits%2Fleetcode-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xyzBits/leetcode-rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xyzBits/leetcode-rust
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xyzBits/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/xyzBits/leetcode-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xyzBits/leetcode-rust 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a423417d51fc4217031c3423fbaebcd4425f2c2d0fe202204c7210fe16b50f9d
[INFO] running `Command { std: "docker" "start" "-a" "a423417d51fc4217031c3423fbaebcd4425f2c2d0fe202204c7210fe16b50f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a423417d51fc4217031c3423fbaebcd4425f2c2d0fe202204c7210fe16b50f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a423417d51fc4217031c3423fbaebcd4425f2c2d0fe202204c7210fe16b50f9d", kill_on_drop: false }`
[INFO] [stdout] a423417d51fc4217031c3423fbaebcd4425f2c2d0fe202204c7210fe16b50f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7551e0f627ca860d0f39909871ede82783d0b393d6443222e2d0ee6e5a2150ea
[INFO] running `Command { std: "docker" "start" "-a" "7551e0f627ca860d0f39909871ede82783d0b393d6443222e2d0ee6e5a2150ea", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::linked_list::to_list`
[INFO] [stdout]  --> src/solution/s0002_add_two_numbers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::util::linked_list::to_list;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 k -= (new_index_1 - index_1 + 1);
[INFO] [stdout]    |                      ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -                 k -= (new_index_1 - index_1 + 1);
[INFO] [stdout] 45 +                 k -= new_index_1 - index_1 + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 k -= (new_index_2 - index_2 + 1);
[INFO] [stdout]    |                      ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -                 k -= (new_index_2 - index_2 + 1);
[INFO] [stdout] 48 +                 k -= new_index_2 - index_2 + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 k -= (new_index_1 - index_1 + 1);
[INFO] [stdout]    |                      ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -                 k -= (new_index_1 - index_1 + 1);
[INFO] [stdout] 45 +                 k -= new_index_1 - index_1 + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 k -= (new_index_2 - index_2 + 1);
[INFO] [stdout]    |                      ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -                 k -= (new_index_2 - index_2 + 1);
[INFO] [stdout] 48 +                 k -= new_index_2 - index_2 + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kth_element`
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let kth_element = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kth_element`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `two_sum`, `two_sum_brute_force`, and `two_sum_with_2pass_hash_table` are never used
[INFO] [stdout]   --> src/solution/s0001_two_sum.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn two_sum_brute_force(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn two_sum_with_2pass_hash_table(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/solution/s0001_two_sum.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Solution {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0002_add_two_numbers.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> src/solution/s0002_add_two_numbers.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0009_palindrome_number.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]  --> src/solution/s0009_palindrome_number.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0013_roman_to_integer.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `roman_to_int` is never used
[INFO] [stdout]  --> src/solution/s0013_roman_to_integer.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0014_longest_common_prefix.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `longest_common_prefix` and `longest_common_prefix_helper` are never used
[INFO] [stdout]   --> src/solution/s0014_longest_common_prefix.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn longest_common_prefix_helper(str1: &str, str2: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0003_longest_substring_without_repeating_characters.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/solution/s0003_longest_substring_without_repeating_characters.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/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]  --> src/solution/s0344_reverse_string.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0004_median_of_two_sorted_arrays.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_median_sorted_arrays` and `get_kth_element` are never used
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get_kth_element(nums1: &Vec<i32>, nums2: &Vec<i32>, mut k: usize) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s0005_longest_palindromic_substring.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `longest_palindrome` and `expand_around_center` are never used
[INFO] [stdout]   --> src/solution/s0005_longest_palindromic_substring.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 4  |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn expand_around_center(s: &str, mut left: usize, mut right: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/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]  --> src/solution/s0007_reverse_integer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/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]  --> src/solution/s0704_binary_search.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge` is never used
[INFO] [stdout]   --> src/solution/s_0088_merge_sorted_array.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/solution/s_0088_merge_sorted_array.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Solution {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/solution/s0005_longest_palindromic_substring.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         while left >= 0 && right < len && s[left..=left] == s[right..=right] {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kth_element`
[INFO] [stdout]   --> src/solution/s0004_median_of_two_sorted_arrays.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let kth_element = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kth_element`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `two_sum_brute_force` and `two_sum_with_2pass_hash_table` are never used
[INFO] [stdout]   --> src/solution/s0001_two_sum.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn two_sum_brute_force(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn two_sum_with_2pass_hash_table(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/solution/s0005_longest_palindromic_substring.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         while left >= 0 && right < len && s[left..=left] == s[right..=right] {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]  --> examples/vector.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let vec = vec![1, 2, 3, 4];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7551e0f627ca860d0f39909871ede82783d0b393d6443222e2d0ee6e5a2150ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7551e0f627ca860d0f39909871ede82783d0b393d6443222e2d0ee6e5a2150ea", kill_on_drop: false }`
[INFO] [stdout] 7551e0f627ca860d0f39909871ede82783d0b393d6443222e2d0ee6e5a2150ea