[INFO] cloning repository https://github.com/kawashige/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawashige/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eb9d9b50319e95003ff5463719ce2f789349fa6
[INFO] checking kawashige/leetcode-rust against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawashige%2Fleetcode-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawashige/leetcode-rust on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kawashige/leetcode-rust
[INFO] finished tweaking git repo https://github.com/kawashige/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/kawashige/leetcode-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kawashige/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d75d267481aa7e8e480e73d18a30a6b3f32dc2fa9484f92a01af69eed499b3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d75d267481aa7e8e480e73d18a30a6b3f32dc2fa9484f92a01af69eed499b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d75d267481aa7e8e480e73d18a30a6b3f32dc2fa9484f92a01af69eed499b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d75d267481aa7e8e480e73d18a30a6b3f32dc2fa9484f92a01af69eed499b3d", kill_on_drop: false }`
[INFO] [stdout] 2d75d267481aa7e8e480e73d18a30a6b3f32dc2fa9484f92a01af69eed499b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd40da151835add19eab732c1dfe7802437af98b4f3f9d282787b0999519bce8
[INFO] running `Command { std: "docker" "start" "-a" "cd40da151835add19eab732c1dfe7802437af98b4f3f9d282787b0999519bce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking p0503_next_greater_element_ii v0.1.0 (/opt/rustwide/workdir/problems/p0503_next_greater_element_ii)
[INFO] [stderr]     Checking p0512_longest_uncommon_subsequence_ii v0.1.0 (/opt/rustwide/workdir/problems/p0512_longest_uncommon_subsequence_ii)
[INFO] [stderr]     Checking p0500_keyboard_row v0.1.0 (/opt/rustwide/workdir/problems/p0500_keyboard_row)
[INFO] [stderr]     Checking p0565_array_nesting v0.1.0 (/opt/rustwide/workdir/problems/p0565_array_nesting)
[INFO] [stderr]     Checking p0523_cotinuous_subarray_sum v0.1.0 (/opt/rustwide/workdir/problems/p0523_cotinuous_subarray_sum)
[INFO] [stderr]     Checking p0551_student_attendance_record_i v0.1.0 (/opt/rustwide/workdir/problems/p0551_student_attendance_record_i)
[INFO] [stderr]     Checking p0475_heaters v0.1.0 (/opt/rustwide/workdir/problems/p0475_heaters)
[INFO] [stderr]     Checking p0507_perfect_number v0.1.0 (/opt/rustwide/workdir/problems/p0507_perfect_number)
[INFO] [stderr]     Checking p0537_complex_number_multiplication v0.1.0 (/opt/rustwide/workdir/problems/p0537_complex_number_multiplication)
[INFO] [stderr]     Checking p0496_next_greater_element_i v0.1.0 (/opt/rustwide/workdir/problems/p0496_next_greater_element_i)
[INFO] [stderr]     Checking p0504_base_7 v0.1.0 (/opt/rustwide/workdir/problems/p0504_base_7)
[INFO] [stderr]     Checking p0476_number_complement v0.1.0 (/opt/rustwide/workdir/problems/p0476_number_complement)
[INFO] [stderr]     Checking p0529_minesweeper v0.1.0 (/opt/rustwide/workdir/problems/p0529_minesweeper)
[INFO] [stderr]     Checking p0554_brick_wall v0.1.0 (/opt/rustwide/workdir/problems/p0554_brick_wall)
[INFO] [stderr]     Checking p0540_single_emenet_in_a_sorted_array v0.1.0 (/opt/rustwide/workdir/problems/p0540_single_emenet_in_a_sorted_array)
[INFO] [stderr]     Checking p0477_total_hamming_distance v0.1.0 (/opt/rustwide/workdir/problems/p0477_total_hamming_distance)
[INFO] [stderr]     Checking p0539_minimum_time_difference v0.1.0 (/opt/rustwide/workdir/problems/p0539_minimum_time_difference)
[INFO] [stderr]     Checking p0524_longest_word_in_dictionary_through_deleting v0.1.0 (/opt/rustwide/workdir/problems/p0524_longest_word_in_dictionary_through_deleting)
[INFO] [stderr]     Checking p0485_max_consecutive_ones v0.1.0 (/opt/rustwide/workdir/problems/p0485_max_consecutive_ones)
[INFO] [stderr]     Checking p0547_number_of_provinces v0.1.0 (/opt/rustwide/workdir/problems/p0547_number_of_provinces)
[INFO] [stderr]     Checking january_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/january_leetcoding_challenge)
[INFO] [stderr]     Checking p0557_reverse_words_in_a_string_iii v0.1.0 (/opt/rustwide/workdir/problems/p0557_reverse_words_in_a_string_iii)
[INFO] [stderr]     Checking p0516_longest_palindromic_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0516_longest_palindromic_subsequence)
[INFO] [stderr]     Checking p0486_predict_the_winner v0.1.0 (/opt/rustwide/workdir/problems/p0486_predict_the_winner)
[INFO] [stderr]     Checking p0553_optimal_division v0.1.0 (/opt/rustwide/workdir/problems/p0553_optimal_division)
[INFO] [stderr]     Checking p0515_find_largest_value_in_each_row v0.1.0 (/opt/rustwide/workdir/problems/p0515_find_largest_value_in_each_row)
[INFO] [stderr]     Checking p0566_reshape_the_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0566_reshape_the_matrix)
[INFO] [stderr]     Checking p0463_island_perimeter v0.1.0 (/opt/rustwide/workdir/problems/p0463_island_perimeter)
[INFO] [stderr]     Checking p0468_validate_ip_address v0.1.0 (/opt/rustwide/workdir/problems/p0468_validate_ip_address)
[INFO] [stderr]     Checking p0464_can_i_win v0.1.0 (/opt/rustwide/workdir/problems/p0464_can_i_win)
[INFO] [stderr]     Checking p0492_construct_the_rectangle v0.1.0 (/opt/rustwide/workdir/problems/p0492_construct_the_rectangle)
[INFO] [stderr]     Checking p0518_coin_change_2 v0.1.0 (/opt/rustwide/workdir/problems/p0518_coin_change_2)
[INFO] [stderr]     Checking p0543_diameter_of_binary_tree v0.1.0 (/opt/rustwide/workdir/problems/p0543_diameter_of_binary_tree)
[INFO] [stderr]     Checking p0482_license_key_formatting v0.1.0 (/opt/rustwide/workdir/problems/p0482_license_key_formatting)
[INFO] [stderr]     Checking p0506_relative_ranks v0.1.0 (/opt/rustwide/workdir/problems/p0506_relative_ranks)
[INFO] [stderr]     Checking p0561_array_partition_i v0.1.0 (/opt/rustwide/workdir/problems/p0561_array_partition_i)
[INFO] [stderr]     Checking p0509_fibonacci_number v0.1.0 (/opt/rustwide/workdir/problems/p0509_fibonacci_number)
[INFO] [stderr]     Checking p0501_find_mode_in_binary_search_tree v0.1.0 (/opt/rustwide/workdir/problems/p0501_find_mode_in_binary_search_tree)
[INFO] [stderr]     Checking p0525_contiguous_array v0.1.0 (/opt/rustwide/workdir/problems/p0525_contiguous_array)
[INFO] [stderr]     Checking p0541_reverse_string_ii v0.1.0 (/opt/rustwide/workdir/problems/p0541_reverse_string_ii)
[INFO] [stderr]     Checking p0538_convert_bst_to_greater_tree v0.1.0 (/opt/rustwide/workdir/problems/p0538_convert_bst_to_greater_tree)
[INFO] [stderr]     Checking p0560_subarray_sum_equals_k v0.1.0 (/opt/rustwide/workdir/problems/p0560_subarray_sum_equals_k)
[INFO] [stderr]     Checking p0542_01_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0542_01_matrix)
[INFO] [stderr]     Checking p0521_longest_uncommon_subsequence_i v0.1.0 (/opt/rustwide/workdir/problems/p0521_longest_uncommon_subsequence_i)
[INFO] [stderr]     Checking p0513_find_bottom_left_tree_value v0.1.0 (/opt/rustwide/workdir/problems/p0513_find_bottom_left_tree_value)
[INFO] [stderr]     Checking p0508_most_frequent_subtree_sum v0.1.0 (/opt/rustwide/workdir/problems/p0508_most_frequent_subtree_sum)
[INFO] [stderr]     Checking p0467_unique_substrings_in_wraparound_string v0.1.0 (/opt/rustwide/workdir/problems/p0467_unique_substrings_in_wraparound_string)
[INFO] [stderr]     Checking p0474_ones_and_zeros v0.1.0 (/opt/rustwide/workdir/problems/p0474_ones_and_zeros)
[INFO] [stderr]     Checking p0473_matchsticks_to_square v0.1.0 (/opt/rustwide/workdir/problems/p0473_matchsticks_to_square)
[INFO] [stderr]     Checking p0481_magical_string v0.1.0 (/opt/rustwide/workdir/problems/p0481_magical_string)
[INFO] [stderr]     Checking p0491_increasing_subsequence v0.1.0 (/opt/rustwide/workdir/problems/p0491_increasing_subsequence)
[INFO] [stderr]     Checking p0494_target_sum v0.1.0 (/opt/rustwide/workdir/problems/p0494_target_sum)
[INFO] [stderr]     Checking p0530_minimum_absolute_difference_in_bst v0.1.0 (/opt/rustwide/workdir/problems/p0530_minimum_absolute_difference_in_bst)
[INFO] [stderr]     Checking september_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/september_leetcoding_challenge)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking october_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/october_leetcoding_challenge)
[INFO] [stderr]     Checking december_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/december_leetcoding_challenge)
[INFO] [stderr]     Checking p0535_encode_and_decode_tiny_url v0.1.0 (/opt/rustwide/workdir/problems/p0535_encode_and_decode_tiny_url)
[INFO] [stderr]     Checking p0519_random_flip_matrix v0.1.0 (/opt/rustwide/workdir/problems/p0519_random_flip_matrix)
[INFO] [stderr]     Checking november_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/november_leetcoding_challenge)
[INFO] [stderr]     Checking problems v0.1.0 (/opt/rustwide/workdir/problems)
[INFO] [stderr]     Checking p0528_random_pick_with_weight v0.1.0 (/opt/rustwide/workdir/problems/p0528_random_pick_with_weight)
[INFO] [stderr]     Checking august_leetcoding_challenge v0.1.0 (/opt/rustwide/workdir/august_leetcoding_challenge)
[INFO] [stdout] warning: field is never read: `weight_sums`
[INFO] [stdout]  --> problems/p0528_random_pick_with_weight/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     weight_sums: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0528_random_pick_with_weight/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(w: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick_index`
[INFO] [stdout]   --> problems/p0528_random_pick_with_weight/src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn pick_index(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Codec`
[INFO] [stdout]  --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Codec {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `URL_PREFIX`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const URL_PREFIX: &'static str = "http://tinyurl.com/";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `longURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^ help: convert the identifier to snake case: `long_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shortURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^^ help: convert the identifier to snake case: `short_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_rows`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     n_rows: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_cols`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     n_cols: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flipped`
[INFO] [stdout]  --> problems/p0519_random_flip_matrix/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     flipped: HashSet<(i32, i32)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(n_rows: i32, n_cols: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn flip(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0519_random_flip_matrix/src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p0478_generate_random_point_in_a_circle v0.1.0 (/opt/rustwide/workdir/problems/p0478_generate_random_point_in_a_circle)
[INFO] [stdout] warning: variable `longURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn encode(&self, longURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^ help: convert the identifier to snake case: `long_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shortURL` should have a snake case name
[INFO] [stdout]   --> problems/p0535_encode_and_decode_tiny_url/src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(&self, shortURL: String) -> String {
[INFO] [stdout]    |                      ^^^^^^^^ help: convert the identifier to snake case: `short_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> problems/p0528_random_pick_with_weight/src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut obj = Solution::new(vec![1, 3]);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radius`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     radius: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     x_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y_center`
[INFO] [stdout]  --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y_center: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(radius: f64, x_center: f64, y_center: f64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_point`
[INFO] [stdout]   --> problems/p0478_generate_random_point_in_a_circle/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn rand_point(&self) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> november_leetcoding_challenge/day01_convert_binary_number_in_a_linked_list_to_integer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `calls`
[INFO] [stdout]  --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     calls: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ping`
[INFO] [stdout]   --> october_leetcoding_challenge/day01_number_of_recent_calls.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn ping(&mut self, t: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CombinationIterator`
[INFO] [stdout]  --> august_leetcoding_challenge/day13_iterator_for_combination.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CombinationIterator {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_combination`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         fn generate_combination(chars: Vec<char>, head: String, length: i32) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rects`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     rects: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `areas`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     areas: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area_total`
[INFO] [stdout]  --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     area_total: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(rects: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> august_leetcoding_challenge/day22_random_point_in_non_overlapping_rectangles.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn pick(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StreamChecker`
[INFO] [stdout]  --> august_leetcoding_challenge/day23_stream_of_characters.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct StreamChecker {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]   --> august_leetcoding_challenge/day23_stream_of_characters.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn query(&mut self, letter: char) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyHashSet`
[INFO] [stdout]  --> august_leetcoding_challenge/day2_design_hashset.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyHashSet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn remove(&mut self, key: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> august_leetcoding_challenge/day2_design_hashset.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn contains(&self, key: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordDictionary`
[INFO] [stdout]  --> august_leetcoding_challenge/day5_add_and_search_word.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct WordDictionary {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_word`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn add_word(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]   --> august_leetcoding_challenge/day5_add_and_search_word.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |         fn check(t: &Trie, chars: &mut std::str::Chars) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `combinationLength` should have a snake case name
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `combination_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `combinationLength` should have a snake case name
[INFO] [stdout]   --> august_leetcoding_challenge/day13_iterator_for_combination.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(characters: String, combinationLength: i32) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `combination_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0024_swap_nodes_in_pairs.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0109_convert_sorted_list_to_binary_search_tree.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cache: HashMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     keys: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]  --> problems/p0146_lru_cache.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     capacity: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(capacity: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get(&mut self, key: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]   --> problems/p0146_lru_cache.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn put(&mut self, key: i32, value: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0148_sort_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     stack: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0155_min_stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     values: BTreeMap<i32, i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn pop(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_min`
[INFO] [stdout]   --> problems/p0155_min_stack.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_min(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collect`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn collect(root: &Option<Rc<RefCell<TreeNode>>>, results: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(root: Option<Rc<RefCell<TreeNode>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0173_binary_search_iterator.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0206_reverse_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn insert(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starts_with`
[INFO] [stdout]   --> problems/p0208_implement_trie.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn starts_with(&self, prefix: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue1`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     queue1: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue2`
[INFO] [stdout]  --> problems/p0225_implement_stack_using_queues.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     queue2: VecDeque<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0225_implement_stack_using_queues.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack1`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     stack1: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack2`
[INFO] [stdout]  --> problems/p0232_implement_queue_using_stacks.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     stack2: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> problems/p0232_implement_queue_using_stacks.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0234_palindrome_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0303_range_sum_query_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0303_range_sum_query_immutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumMatrix`
[INFO] [stdout]  --> problems/p0304_range_sum_query_2d_immutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumMatrix {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(matrix: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_region`
[INFO] [stdout]   --> problems/p0304_range_sum_query_2d_immutable.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0307_range_sum_query_mutable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn update(&mut self, i: i32, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> problems/p0307_range_sum_query_mutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_range(&self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NestedIterator`
[INFO] [stdout]  --> problems/p0341_flatten_nested_list_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct NestedIterator {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flatten`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn flatten(nested_list: NestedInteger) -> VecDeque<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn next(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_next`
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn has_next(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tweets`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     tweets: Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `follows`
[INFO] [stdout]  --> problems/p0355_design_twitter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     follows: HashMap<i32, HashSet<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `post_tweet`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn post_tweet(&mut self, user_id: i32, tweet_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_news_feed`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `follow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn follow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unfollow`
[INFO] [stdout]   --> problems/p0355_design_twitter.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn unfollow(&mut self, follower_id: i32, followee_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     map: HashMap<i32, usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> problems/p0380_insert_delete_getrandom_o_1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     values: Vec<Option<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0380_insert_delete_getrandom_o_1.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     values: Vec<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(head: Option<Box<ListNode>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `org`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     org: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `array`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0384_shuffle_an_array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn reset(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> problems/p0384_shuffle_an_array.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn shuffle(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nums`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     nums: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> problems/p0398_random_pick_index.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick`
[INFO] [stdout]   --> problems/p0398_random_pick_index.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pick(&self, target: i32) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> problems/p0191_number_of_1_bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isBadVersion` should have a snake case name
[INFO] [stdout]   --> problems/p0278_first_bad_version.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn isBadVersion(&self, n: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_bad_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nestedList` should have a snake case name
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]  --> problems/p0374_guess_number_higher_or_lower.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 85 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> problems/p0382_linked_list_random_note.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut obj = Solution::new(Some(Box::new(t1_1)));
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> problems/p0191_number_of_1_bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isBadVersion` should have a snake case name
[INFO] [stdout]   --> problems/p0278_first_bad_version.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn isBadVersion(&self, n: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_bad_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nestedList` should have a snake case name
[INFO] [stdout]   --> problems/p0341_flatten_nested_list_iterator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]  --> problems/p0374_guess_number_higher_or_lower.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "cd40da151835add19eab732c1dfe7802437af98b4f3f9d282787b0999519bce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd40da151835add19eab732c1dfe7802437af98b4f3f9d282787b0999519bce8", kill_on_drop: false }`
[INFO] [stdout] cd40da151835add19eab732c1dfe7802437af98b4f3f9d282787b0999519bce8