[INFO] cloning repository https://github.com/rys730/rust-leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rys730/rust-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frys730%2Frust-leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frys730%2Frust-leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e5a5250bab7c6ed7a1d101b6d6e487e6a1374b4
[INFO] checking rys730/rust-leetcode against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frys730%2Frust-leetcode" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rys730/rust-leetcode
[INFO] finished tweaking git repo https://github.com/rys730/rust-leetcode
[INFO] tweaked toml for git repo https://github.com/rys730/rust-leetcode written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rys730/rust-leetcode on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rys730/rust-leetcode 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" "+c4ca24658d934444a28db36abebef17a8651701a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6b2dee67b5e82ebaa7d7dddfb0827d5cd1c1453eb8f6a6771a841bef0eb9f5e
[INFO] running `Command { std: "docker" "start" "-a" "c6b2dee67b5e82ebaa7d7dddfb0827d5cd1c1453eb8f6a6771a841bef0eb9f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b2dee67b5e82ebaa7d7dddfb0827d5cd1c1453eb8f6a6771a841bef0eb9f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b2dee67b5e82ebaa7d7dddfb0827d5cd1c1453eb8f6a6771a841bef0eb9f5e", kill_on_drop: false }`
[INFO] [stdout] c6b2dee67b5e82ebaa7d7dddfb0827d5cd1c1453eb8f6a6771a841bef0eb9f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4a30f3be3903396190294a08540b298f2939e816546d6d80d990fafd330ac8
[INFO] running `Command { std: "docker" "start" "-a" "bf4a30f3be3903396190294a08540b298f2939e816546d6d80d990fafd330ac8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |             answer = max_by(answer, (right - left + 1), |x, y|x.cmp(&y));
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             answer = max_by(answer, (right - left + 1), |x, y|x.cmp(&y));
[INFO] [stdout] 14 +             answer = max_by(answer, right - left + 1, |x, y|x.cmp(&y));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/q_1_20/add_two_numbers_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/q_21_40/remove_element_27.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |             while (nums[last_elem_index] == val && last_elem_index != 0){
[INFO] [stdout]    |                   ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -             while (nums[last_elem_index] == val && last_elem_index != 0){
[INFO] [stdout] 13 +             while nums[last_elem_index] == val && last_elem_index != 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |             answer = max_by(answer, (right - left + 1), |x, y|x.cmp(&y));
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             answer = max_by(answer, (right - left + 1), |x, y|x.cmp(&y));
[INFO] [stdout] 14 +             answer = max_by(answer, right - left + 1, |x, y|x.cmp(&y));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/q_1_20/add_two_numbers_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/q_21_40/remove_element_27.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |             while (nums[last_elem_index] == val && last_elem_index != 0){
[INFO] [stdout]    |                   ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -             while (nums[last_elem_index] == val && last_elem_index != 0){
[INFO] [stdout] 13 +             while nums[last_elem_index] == val && last_elem_index != 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr` is never read
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut curr = 0;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `find_longest_subarray`, `longest_substring_all_one`, `subarray_product`, and `fixed_window_size` are never used
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl SlidingWindow {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 4  |     // find longest len subarray with sum less than or eq to constraint
[INFO] [stdout] 5  |     pub fn find_longest_subarray(nums: Vec<i32>, constraint: i32) -> usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn longest_substring_all_one(s: String) -> usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn subarray_product(nums: Vec<i32>, constraint: i32) -> usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn fixed_window_size(nums: Vec<i32>, size: usize) -> usize{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlidingWindow` is never constructed
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct SlidingWindow{}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/q_1_20/roman_to_integer_13.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/q_1_20/roman_to_integer_13.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/q_1_20/median_of_two_sorted_arrays_4.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct  Solution{}
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/q_1_20/median_of_two_sorted_arrays_4.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 3 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/q_1_20/longest_common_prefix_14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution{}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `longest_common_prefix` is never used
[INFO] [stdout]  --> src/q_1_20/longest_common_prefix_14.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 3 |     pub fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_area` is never used
[INFO] [stdout]  --> src/q_1_20/container_with_most_water_11.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn max_area(height: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/q_1_20/container_with_most_water_11.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> src/q_1_20/valid_parenthesis_20.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/q_1_20/valid_parenthesis_20.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]  --> src/q_121_140/best_time_to_by_and_sell_stock_121.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 2 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/q_121_140/best_time_to_by_and_sell_stock_121.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 9  |   #[inline]
[INFO] [stdout] 10 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn merge_two_lists(list1: Option<Box<ListNode>>, list2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> src/q_21_40/remove_duplicates_from_sorted_array_26.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 2 |     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]   --> src/q_21_40/remove_duplicates_from_sorted_array_26.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/q_21_40/remove_element_27.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]  --> src/q_21_40/remove_element_27.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]  --> src/q_41_60/length_of_last_word_58.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 2 |     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]   --> src/q_41_60/length_of_last_word_58.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr` is never read
[INFO] [stdout]   --> src/sliding_window/sliding_window_example.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut curr = 0;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/q_41_60/length_of_last_word_58.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let res = Solution::length_of_last_word(String::from("Hello World "));
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 9  |   #[inline]
[INFO] [stdout] 10 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn merge_two_lists(list1: Option<Box<ListNode>>, list2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/q_21_40/merge_two_sorted_lists_21.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> src/q_21_40/remove_duplicates_from_sorted_array_26.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 2 |     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]   --> src/q_21_40/remove_duplicates_from_sorted_array_26.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Solution{}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "bf4a30f3be3903396190294a08540b298f2939e816546d6d80d990fafd330ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4a30f3be3903396190294a08540b298f2939e816546d6d80d990fafd330ac8", kill_on_drop: false }`
[INFO] [stdout] bf4a30f3be3903396190294a08540b298f2939e816546d6d80d990fafd330ac8