[INFO] cloning repository https://github.com/DrackRamoray/leetcode-solutions-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrackRamoray/leetcode-solutions-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrackRamoray%2Fleetcode-solutions-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrackRamoray%2Fleetcode-solutions-rust'... 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"/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 919780e9407a1f964c5a82f9db86b17c6882ef2c6286b295fa9a8b0210589c95 [INFO] running `Command { std: "docker" "start" "-a" "919780e9407a1f964c5a82f9db86b17c6882ef2c6286b295fa9a8b0210589c95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "919780e9407a1f964c5a82f9db86b17c6882ef2c6286b295fa9a8b0210589c95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "919780e9407a1f964c5a82f9db86b17c6882ef2c6286b295fa9a8b0210589c95", kill_on_drop: false }` [INFO] [stdout] 919780e9407a1f964c5a82f9db86b17c6882ef2c6286b295fa9a8b0210589c95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94ca260d9b4de45117770124138a195b8f6bd6330decf4a7ffd37bb05647757f [INFO] running `Command { std: "docker" "start" "-a" "94ca260d9b4de45117770124138a195b8f6bd6330decf4a7ffd37bb05647757f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Checking assist v0.1.0 (/opt/rustwide/workdir/assist) [INFO] [stderr] Checking easy v0.1.0 (/opt/rustwide/workdir/easy) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> easy/src/remove-duplicates-from-sorted-list/mod.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | while let Some(mut node) = cur.take() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cache` is never read [INFO] [stdout] --> easy/src/two-sum-iii-data-structure-design/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct TwoSum { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 4 | cache: HashMap, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, and `find` are never used [INFO] [stdout] --> easy/src/two-sum-iii-data-structure-design/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl TwoSum { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn add(&mut self, number: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn find(&self, value: i32) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `queue` is never read [INFO] [stdout] --> easy/src/implement-stack-using-queues/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct MyStack { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 5 | queue: VecDeque, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `empty` are never used [INFO] [stdout] --> easy/src/implement-stack-using-queues/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl MyStack { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `s1` and `s2` are never read [INFO] [stdout] --> easy/src/implement-queue-using-stacks/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MyQueue { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 2 | s1: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] 3 | s2: Vec [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, and `empty` are never used [INFO] [stdout] --> easy/src/implement-queue-using-stacks/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl MyQueue { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 7 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> easy/src/palindrome-linked-list/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `pop`, and `into_iter` are never used [INFO] [stdout] --> easy/src/palindrome-linked-list/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 8 | fn new(head: Option>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> easy/src/palindrome-linked-list/mod.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct IntoIter { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome` is never used [INFO] [stdout] --> easy/src/palindrome-linked-list/mod.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 40 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 41 | fn is_palindrome(head: Option>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `s` is never read [INFO] [stdout] --> easy/src/range-sum-query-immutable/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct NumArray { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 2 | s: Vec [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `sum_range` are never used [INFO] [stdout] --> easy/src/range-sum-query-immutable/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl NumArray { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 6 | [INFO] [stdout] 7 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn sum_range(&self, left: i32, right: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `size` and `data` are never read [INFO] [stdout] --> easy/src/moving-average-from-data-stream/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct MovingAverage { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 4 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | data: VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `next` are never used [INFO] [stdout] --> easy/src/moving-average-from-data-stream/mod.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl MovingAverage { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | [INFO] [stdout] 10 | fn new(size: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn next(&mut self, val: i32) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `logs` is never read [INFO] [stdout] --> easy/src/logger-rate-limiter/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Logger { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 4 | logs: HashMap, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `should_print_message` are never used [INFO] [stdout] --> easy/src/logger-rate-limiter/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Logger { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn should_print_message(&mut self, timestamp: i32, message: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> easy/src/remove-duplicates-from-sorted-list/mod.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | while let Some(mut node) = cur.take() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking hard v0.1.0 (/opt/rustwide/workdir/hard) [INFO] [stderr] Checking medium v0.1.0 (/opt/rustwide/workdir/medium) [INFO] [stdout] warning: associated functions `merge_k_lists` and `merge` are never used [INFO] [stdout] --> hard/src/merge-k-sorted-lists/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 6 | fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn merge(a: Option>, b: Option>) -> Option> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `is_scramble` and `dfs` are never used [INFO] [stdout] --> hard/src/scramble-string/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 6 | fn is_scramble(s1: String, s2: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn dfs(s1: &str, s2: &str, mp: &mut HashMap<(usize, usize, usize, usize), bool>, u: usize, v: usize, x: usize, y: usize) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `find_words` and `dfs` are never used [INFO] [stdout] --> hard/src/word-search-ii/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 4 | fn find_words(mut board: Vec>, words: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn dfs(board: &mut Vec>, ans: &mut Vec, trie: &mut Box, i: usize, j: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Trie` is never constructed [INFO] [stdout] --> hard/src/word-search-ii/mod.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Trie { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trie` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `insert` are never used [INFO] [stdout] --> hard/src/word-search-ii/mod.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 62 | impl Trie { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 63 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn insert(&mut self, word: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `alien_order` is never used [INFO] [stdout] --> hard/src/alien-dictionary/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 6 | fn alien_order(words: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `min_queue` and `max_queue` are never read [INFO] [stdout] --> hard/src/find-median-from-data-stream/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct MedianFinder { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 5 | min_queue: BinaryHeap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 6 | max_queue: BinaryHeap>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_num`, and `find_median` are never used [INFO] [stdout] --> hard/src/find-median-from-data-stream/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl MedianFinder { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn add_num(&mut self, num: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn find_median(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `serialize`, `pre_order`, `deserialize`, and `constructor` are never used [INFO] [stdout] --> hard/src/serialize-and-deserialize-binary-tree/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Codec { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn serialize(&self, root: Option>>) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn pre_order(&self, root: &Option>>) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn deserialize(&self, data: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn constructor(&self, iter: &mut SplitWhitespace) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `num_islands2` is never used [INFO] [stdout] --> hard/src/number-of-islands-ii/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 4 | fn num_islands2(m: i32, n: i32, positions: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnionFind` is never constructed [INFO] [stdout] --> hard/src/number-of-islands-ii/mod.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct UnionFind { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `find`, and `union` are never used [INFO] [stdout] --> hard/src/number-of-islands-ii/mod.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl UnionFind { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 67 | fn new(n: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn find(&mut self, i: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn union(&mut self, i: usize, j: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `m`, `matrix`, and `row_sum` are never read [INFO] [stdout] --> hard/src/range-sum-query-2d-mutable/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct NumMatrix { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 2 | m: usize, [INFO] [stdout] | ^ [INFO] [stdout] 3 | matrix: Vec>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 4 | row_sum: Vec>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `update`, and `sum_region` are never used [INFO] [stdout] --> hard/src/range-sum-query-2d-mutable/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl NumMatrix { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn update(&mut self, row: i32, col: i32, val: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indices` is never read [INFO] [stdout] --> hard/src/insert-delete-getrandom-o1-duplicates-allowed/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct RandomizedCollection { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 5 | nums: Vec, [INFO] [stdout] 6 | indices: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, and `remove` are never used [INFO] [stdout] --> hard/src/insert-delete-getrandom-o1-duplicates-allowed/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl RandomizedCollection { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn insert(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn remove(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `min_abbreviation`, `dfs`, `check`, `abbr`, and `get_size` are never used [INFO] [stdout] --> hard/src/minimum-unique-word-abbreviation/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 4 | fn min_abbreviation(target: String, dictionary: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn dfs(dictionary: &[Vec], mask: &mut u32, ans: &mut u32, target: &[char], begin: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn check(target: &[char], word: &[char], mask: u32, n: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn abbr(target: &[char], mask: u32) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn get_size(mask: u32, n: usize) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `word_squares` and `dfs` are never used [INFO] [stdout] --> hard/src/word-squares/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 6 | fn word_squares(words: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn dfs<'a>(prefix: &HashMap, Vec<&'a [char]>>, ans: &mut Vec>, selected: &mut Vec<&'a [char]>, n: usize, m: usi... [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key`, `val`, `freq`, `prev`, and `next` are never read [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct ListNode { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 6 | key: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | freq: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | prev: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | fn new(key: i32, val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head` and `tail` are never read [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 27 | head: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | tail: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop`, `push`, and `is_empty` are never used [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl List { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 32 | fn pop(&mut self) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn push(&mut self, new_node: Option>>) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cap`, `used`, `least_freq`, `data`, and `freq` are never read [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct LFUCache { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 67 | cap: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 68 | used: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 69 | least_freq: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 70 | data: HashMap>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 71 | freq: HashMap [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, `put`, and `update` are never used [INFO] [stdout] --> hard/src/lfu-cache/mod.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl LFUCache { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 75 | [INFO] [stdout] 76 | fn new(capacity: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn get(&mut self, key: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 132 | fn update(&mut self, node: Rc>) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `combination_sum2` and `dfs` are never used [INFO] [stdout] --> medium/src/combination-sum-ii/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 4 | fn combination_sum2(mut candidates: Vec, target: i32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn dfs(candidates: &[i32], selected: &mut Vec, ans: &mut Vec>, target: i32, cur: usize, n: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key`, `val`, `prev`, and `next` are never read [INFO] [stdout] --> medium/src/lru-cache/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct ListNode { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 6 | key: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | prev: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> medium/src/lru-cache/mod.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 13 | fn new(key: i32, val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head` and `tail` are never read [INFO] [stdout] --> medium/src/lru-cache/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct List { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 25 | head: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 26 | tail: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push_back`, `pop_front`, and `unlink_node` are never used [INFO] [stdout] --> medium/src/lru-cache/mod.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 30 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn push_back(&mut self, node: Option>>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn pop_front(&mut self) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn unlink_node(&mut self, node: Option>>) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cap`, `used`, `data`, and `list` are never read [INFO] [stdout] --> medium/src/lru-cache/mod.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct LRUCache { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 91 | cap: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 92 | used: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 93 | data: HashMap>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 94 | list: List, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `put` are never used [INFO] [stdout] --> medium/src/lru-cache/mod.rs:99:8 [INFO] [stdout] | [INFO] [stdout] 97 | impl LRUCache { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 98 | [INFO] [stdout] 99 | fn new(capacity: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn get(&mut self, key: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `s` and `m` are never read [INFO] [stdout] --> medium/src/min-stack/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MinStack { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 2 | s: Vec, [INFO] [stdout] | ^ [INFO] [stdout] 3 | m: Vec [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used [INFO] [stdout] --> medium/src/min-stack/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl MinStack { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 7 | [INFO] [stdout] 8 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn push(&mut self, val: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn get_min(&self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `index` and `data` are never read [INFO] [stdout] --> medium/src/binary-search-tree-iterator/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct BSTIterator { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 6 | index: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `has_next` are never used [INFO] [stdout] --> medium/src/binary-search-tree-iterator/mod.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl BSTIterator { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 11 | [INFO] [stdout] 12 | fn new(root: Option>>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn has_next(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children` and `is_end` are never read [INFO] [stdout] --> medium/src/implement-trie-prefix-tree/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Trie { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | children: [Option>;26], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | is_end: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, `search`, and `starts_with` are never used [INFO] [stdout] --> medium/src/implement-trie-prefix-tree/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Trie { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn insert(&mut self, word: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn search(&self, word: String) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn starts_with(&self, prefix: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children` and `is_end` are never read [INFO] [stdout] --> medium/src/design-add-and-search-words-data-structure/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Trie { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | children: [Option>;26], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | is_end: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trie` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `insert` are never used [INFO] [stdout] --> medium/src/design-add-and-search-words-data-structure/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Trie { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 8 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn insert(&mut self, word: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `trie` is never read [INFO] [stdout] --> medium/src/design-add-and-search-words-data-structure/mod.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct WordDictionary { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 24 | trie: Trie, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_word`, `search`, and `dfs` are never used [INFO] [stdout] --> medium/src/design-add-and-search-words-data-structure/mod.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl WordDictionary { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 28 | [INFO] [stdout] 29 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn add_word(&mut self, word: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn search(&self, word: String) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn dfs(word: &[u8], node: &Trie, index: usize) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `words` is never read [INFO] [stdout] --> medium/src/shortest-word-distance-ii/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct WordDistance { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 2 | words: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `shortest` are never used [INFO] [stdout] --> medium/src/shortest-word-distance-ii/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl WordDistance { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 6 | [INFO] [stdout] 7 | fn new(words_dict: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn shortest(&self, word1: String, word2: String) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pc` and `data` are never read [INFO] [stdout] --> medium/src/flatten-2d-vector/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Vector2D { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 2 | pc: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 3 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `has_next` are never used [INFO] [stdout] --> medium/src/flatten-2d-vector/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl Vector2D { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 7 | [INFO] [stdout] 8 | fn new(vec: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn has_next(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `encode`, and `decode` are never used [INFO] [stdout] --> medium/src/encode-and-decode-strings/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Codec { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 6 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn encode(&self, strs: Vec) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn decode(&self, s: String) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> medium/src/zigzag-iterator/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ZigzagIterator { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 4 | data: VecDeque [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `has_next` are never used [INFO] [stdout] --> medium/src/zigzag-iterator/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ZigzagIterator { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 8 | fn new(v1: Vec, v2: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn has_next(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> medium/src/unique-word-abbreviation/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ValidWordAbbr { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 4 | data: HashMap>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_unique` are never used [INFO] [stdout] --> medium/src/unique-word-abbreviation/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ValidWordAbbr { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new(dictionary: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn is_unique(&self, word: String) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sum` is never read [INFO] [stdout] --> medium/src/range-sum-query-2d-immutable/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct NumMatrix { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 2 | sum: Vec>, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `sum_region` are never used [INFO] [stdout] --> medium/src/range-sum-query-2d-immutable/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl NumMatrix { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 6 | [INFO] [stdout] 7 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bit_tree` is never read [INFO] [stdout] --> medium/src/range-sum-query-mutable/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct NumArray { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 2 | bit_tree: BitTree, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `update`, and `sum_range` are never used [INFO] [stdout] --> medium/src/range-sum-query-mutable/mod.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl NumArray { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 6 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn update(&mut self, i: i32, val: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tree`, `data`, and `n` are never read [INFO] [stdout] --> medium/src/range-sum-query-mutable/mod.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct BitTree { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 32 | tree: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | n: usize, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, `sum`, and `add` are never used [INFO] [stdout] --> medium/src/range-sum-query-mutable/mod.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl BitTree { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 38 | fn new(n: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn get(&self, i: usize) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn sum(&self, i: usize) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn add(&mut self, i: usize, v: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `count_components` is never used [INFO] [stdout] --> medium/src/number-of-connected-components-in-an-undirected-graph/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 4 | fn count_components(n: i32, edges: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnionFind` is never constructed [INFO] [stdout] --> medium/src/number-of-connected-components-in-an-undirected-graph/mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct UnionFind { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `find`, and `union` are never used [INFO] [stdout] --> medium/src/number-of-connected-components-in-an-undirected-graph/mod.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl UnionFind { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | fn new(n: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn find(&mut self, x: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn union(&mut self, x: usize, y: usize) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NestedIterator` is never constructed [INFO] [stdout] --> medium/src/flatten-nested-list-iterator/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct NestedIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, `has_next`, and `flatten` are never used [INFO] [stdout] --> medium/src/flatten-nested-list-iterator/mod.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl NestedIterator { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 13 | [INFO] [stdout] 14 | fn new(nested_list: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn has_next(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn flatten(nested_list: &Vec, data: &mut Vec) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row_sum`, `col_sum`, `left_diag`, `right_diag`, and `n` are never read [INFO] [stdout] --> medium/src/design-tic-tac-toe/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct TicTacToe { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 2 | row_sum: [Vec;2], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 3 | col_sum: [Vec;2], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | left_diag: [i32;2], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 5 | right_diag: [i32;2], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | n: i32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `make_a_move` are never used [INFO] [stdout] --> medium/src/design-tic-tac-toe/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl TicTacToe { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | fn new(n: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn make_a_move(&mut self, row: i32, col: i32, player: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `snake`, `food`, `screen`, `height`, `width`, and `score` are never read [INFO] [stdout] --> medium/src/design-snake-game/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct SnakeGame { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 5 | snake: VecDeque<(i32, i32)>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | food: Vec<(i32, i32)>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | screen: HashSet<(i32, i32)>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | height: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | width: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | score: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `make_a_move` are never used [INFO] [stdout] --> medium/src/design-snake-game/mod.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl SnakeGame { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 14 | fn new(width: i32, height: i32, food: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn make_a_move(&mut self, direction: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `followers` and `twitters` are never read [INFO] [stdout] --> medium/src/design-twitter/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | followers: HashSet, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 6 | twitters: Vec [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> medium/src/design-twitter/mod.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 10 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn follow(&mut self, user_id: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn unfollow(&mut self, user_id: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn get_followers(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn post_twitter(&mut self, tweet_id: i32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn del_twitter(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn get_twitters(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn get_twitter_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `size`, `time`, `tweet_time`, and `users` are never read [INFO] [stdout] --> medium/src/design-twitter/mod.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Twitter { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 47 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 48 | time: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 49 | tweet_time: HashMap, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 50 | users: HashMap [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_user`, `post_tweet`, `get_news_feed`, `follow`, and `unfollow` are never used [INFO] [stdout] --> medium/src/design-twitter/mod.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 53 | impl Twitter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 54 | [INFO] [stdout] 55 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn add_user(&mut self, user_id: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn post_tweet(&mut self, user_id: i32, tweet_id: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn get_news_feed(&self, user_id: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn follow(&mut self, follower_id: i32, followee_id: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn unfollow(&mut self, follower_id: i32, followee_id: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hits` is never read [INFO] [stdout] --> medium/src/design-hit-counter/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct HitCounter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 4 | hits: VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `hit`, and `get_hits` are never used [INFO] [stdout] --> medium/src/design-hit-counter/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl HitCounter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn hit(&mut self, timestamp: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn get_hits(&mut self, timestamp: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `nums` is never read [INFO] [stdout] --> medium/src/design-phone-directory/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct PhoneDirectory { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 4 | nums: HashSet, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, `check`, and `release` are never used [INFO] [stdout] --> medium/src/design-phone-directory/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl PhoneDirectory { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 8 | [INFO] [stdout] 9 | fn new(max_numbers: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn get(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn check(&self, number: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn release(&mut self, number: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indices` is never read [INFO] [stdout] --> medium/src/insert-delete-getrandom-o1/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct RandomizedSet { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 5 | nums: Vec, [INFO] [stdout] 6 | indices: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, and `remove` are never used [INFO] [stdout] --> medium/src/insert-delete-getrandom-o1/mod.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl RandomizedSet { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 10 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn insert(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn remove(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `serialize`, `pre_order`, `deserialize`, and `constructor` are never used [INFO] [stdout] --> medium/src/serialize-and-deserialize-bst/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Codec { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn serialize(&self, root: Option>>) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn pre_order(&self, root: &Option>>) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn deserialize(&self, data: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn constructor(&self, iter: &mut SplitWhitespace) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `circular_array_loop` and `next` are never used [INFO] [stdout] --> medium/src/circular-array-loop/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 4 | fn circular_array_loop(mut nums: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn next(nums: &[i32], i: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 53 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking leetcode-solutions-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s [INFO] running `Command { std: "docker" "inspect" "94ca260d9b4de45117770124138a195b8f6bd6330decf4a7ffd37bb05647757f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94ca260d9b4de45117770124138a195b8f6bd6330decf4a7ffd37bb05647757f", kill_on_drop: false }` [INFO] [stdout] 94ca260d9b4de45117770124138a195b8f6bd6330decf4a7ffd37bb05647757f