[INFO] updating cached repository https://github.com/magurotuna/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25fe43e23160883aa89080d8558347f027e065a4 [INFO] checking magurotuna/leetcode-rust against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fleetcode-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/magurotuna/leetcode-rust on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/magurotuna/leetcode-rust [INFO] finished tweaking git repo https://github.com/magurotuna/leetcode-rust [INFO] tweaked toml for git repo https://github.com/magurotuna/leetcode-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/magurotuna/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 348f9613cee417937fde0a6269f4454863e6d739f322af1f4591a41af6883df0 [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" "348f9613cee417937fde0a6269f4454863e6d739f322af1f4591a41af6883df0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "348f9613cee417937fde0a6269f4454863e6d739f322af1f4591a41af6883df0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "348f9613cee417937fde0a6269f4454863e6d739f322af1f4591a41af6883df0", kill_on_drop: false }` [INFO] [stdout] 348f9613cee417937fde0a6269f4454863e6d739f322af1f4591a41af6883df0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16d5ae92ce561c9821a58e37cecbc5041d8276257a559da72894a62cd9f36388 [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" "16d5ae92ce561c9821a58e37cecbc5041d8276257a559da72894a62cd9f36388", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [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 leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `UndergroundSystem` [INFO] [stdout] --> src/bin/1396.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct UndergroundSystem { [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] --> src/bin/1396.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `check_in` [INFO] [stdout] --> src/bin/1396.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn check_in(&mut self, id: i32, station_name: String, t: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `check_out` [INFO] [stdout] --> src/bin/1396.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn check_out(&mut self, id: i32, station_name: String, t: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_average_time` [INFO] [stdout] --> src/bin/1396.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_average_time(&self, start_station: String, end_station: String) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/12.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | x @ 1...3 => match 3 - i { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/12.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | x @ 5...8 => match 3 - i { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1405.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `longest_diverse_string` [INFO] [stdout] --> src/bin/1405.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn longest_diverse_string(a: i32, b: i32, c: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tle_longest_diverse_string` [INFO] [stdout] --> src/bin/1405.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn tle_longest_diverse_string(a: i32, b: i32, c: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `helper` [INFO] [stdout] --> src/bin/1405.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn helper(one: char, two: char, ret: &mut Vec, a: i32, b: i32, c: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/1405.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn dfs( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/49.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/79.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `exist` [INFO] [stdout] --> src/bin/79.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn exist(board: Vec>, word: String) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/79.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn dfs(board: &Vec>, s: &[char], h: usize, w: usize) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/153.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_min` [INFO] [stdout] --> src/bin/153.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_min(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/5.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 109 | loop {} [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 110 | len = max(len, right - left + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/5.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut len = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/bin/5.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut left = i; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/bin/5.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let mut right = i; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `len` is never read [INFO] [stdout] --> src/bin/5.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | len = max(len, right - left + 1); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut len = 0; [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut left = i; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let mut right = i; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `longest_palindrome` [INFO] [stdout] --> src/bin/5.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn longest_palindrome(s: String) -> String { [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: `tmp_longest_palindrome` [INFO] [stdout] --> src/bin/5.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn tmp_longest_palindrome(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/200.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `math_unique_paths` [INFO] [stdout] --> src/bin/62.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn math_unique_paths(m: i32, n: i32) -> 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: `factorial` [INFO] [stdout] --> src/bin/62.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn factorial(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_islands` [INFO] [stdout] --> src/bin/200.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn num_islands(grid: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mark_island` [INFO] [stdout] --> src/bin/200.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn mark_island(marker: &mut Vec>, h: usize, w: usize) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/49.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `group_anagrams` [INFO] [stdout] --> src/bin/49.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn group_anagrams(strs: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/648.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `replace_words` [INFO] [stdout] --> src/bin/648.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn replace_words(dict: Vec, sentence: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [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: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/621.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `least_interval` [INFO] [stdout] --> src/bin/621.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn least_interval(tasks: Vec, n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `letter_to_index` [INFO] [stdout] --> src/bin/621.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn letter_to_index(c: char) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sort_counts` [INFO] [stdout] --> src/bin/621.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn sort_counts(task_counts: &[i32]) -> Vec<(usize, i32)> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/bin/776.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/bin/776.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1392.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `longest_prefix` [INFO] [stdout] --> src/bin/1392.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn longest_prefix(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/776.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut root = root.unwrap(); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `min` [INFO] [stdout] --> src/bin/300.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/bin/394.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut iter = substr.into_iter(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end_index` is never read [INFO] [stdout] --> src/bin/394.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut end_index = index; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/394.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut iter = substr.into_iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/300.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length_of_lis` [INFO] [stdout] --> src/bin/300.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn length_of_lis(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `slow_length_of_lis` [INFO] [stdout] --> src/bin/300.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn slow_length_of_lis(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/617.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut n1 = n1.unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/617.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | Some(mut n2) => { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/617.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Solution; [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: `merge_trees` [INFO] [stdout] --> src/bin/617.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn merge_trees(t1: Node, t2: Node) -> Node { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/617.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn dfs(mut n1: Node, mut n2: Node) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/5.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 109 | loop {} [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 110 | len = max(len, right - left + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/5.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut len = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/bin/5.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut left = i; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/bin/5.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let mut right = i; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `len` is never read [INFO] [stdout] --> src/bin/5.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | len = max(len, right - left + 1); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut len = 0; [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut left = i; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/5.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let mut right = i; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tmp_longest_palindrome` [INFO] [stdout] --> src/bin/5.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn tmp_longest_palindrome(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/20.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/bin/20.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_close` [INFO] [stdout] --> src/bin/20.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn is_close(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_open` [INFO] [stdout] --> src/bin/20.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn is_open(c: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `close` [INFO] [stdout] --> src/bin/20.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn close(b: char) -> char { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/494.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_target_sum_ways` [INFO] [stdout] --> src/bin/494.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_target_sum_ways(nums: Vec, s: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dp_find_target_sum_ways` [INFO] [stdout] --> src/bin/494.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn dp_find_target_sum_ways(nums: Vec, s: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/494.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn dfs(nums: &[i32], rest: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_calculated` [INFO] [stdout] --> src/bin/264.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut num_calculated = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_calculated` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/264.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut num_calculated = 0; [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: unused import: `max` [INFO] [stdout] --> src/bin/1130.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `subsets` [INFO] [stdout] --> src/bin/78.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn subsets(nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NestedIterator` [INFO] [stdout] --> src/bin/341.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct NestedIterator { [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] --> src/bin/341.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(nestedList: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_all` [INFO] [stdout] --> src/bin/341.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn push_all(&mut self, values: Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/bin/341.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `has_next` [INFO] [stdout] --> src/bin/341.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn has_next(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nestedList` should have a snake case name [INFO] [stdout] --> src/bin/341.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(nestedList: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings 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: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/12.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | x @ 1...3 => match 3 - i { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/12.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | x @ 5...8 => match 3 - i { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/1391.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut h = 0; [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/1391.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut w = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `search` [INFO] [stdout] --> src/bin/208.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | fn search(&self, word: String) -> bool { [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: `starts_with` [INFO] [stdout] --> src/bin/208.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn starts_with(&self, prefix: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/3.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/bin/3.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `slow_length_of_longest_substring` [INFO] [stdout] --> src/bin/3.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn slow_length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bfs_mle_broken_calc` [INFO] [stdout] --> src/bin/991.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn bfs_mle_broken_calc(x: i32, y: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `max` [INFO] [stdout] --> src/bin/1130.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1130.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mct_from_leaf_values` [INFO] [stdout] --> src/bin/1130.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn mct_from_leaf_values(arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/bin/1130.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/529.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_min_difference` [INFO] [stdout] --> src/bin/529.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_min_difference(time_points: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/22.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 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: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/121.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/bin/121.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1395.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/215.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_kth_largest` [INFO] [stdout] --> src/bin/215.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_kth_largest(nums: Vec, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_teams` [INFO] [stdout] --> src/bin/1395.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn num_teams(rating: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_open` [INFO] [stdout] --> src/bin/20.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn is_open(c: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/349.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `intersection` [INFO] [stdout] --> src/bin/349.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn intersection(nums1: Vec, nums2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/bin/6.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | if let Some(&cn) = chars.get((cur_r + (room_in_block as usize) - 2 * r)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/146.rs:51:23 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/146.rs:51:33 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LRUCache` [INFO] [stdout] --> src/bin/146.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct LRUCache { [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] --> src/bin/146.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(capacity: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/bin/146.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn get(&mut self, key: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `put` [INFO] [stdout] --> src/bin/146.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/bin/6.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | if let Some(&cn) = chars.get((cur_r + (room_in_block as usize) - 2 * r)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/counting_elements.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_elements` [INFO] [stdout] --> src/bin/counting_elements.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn count_elements(arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/49.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `group_anagrams` [INFO] [stdout] --> src/bin/49.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn group_anagrams(strs: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_blocks` [INFO] [stdout] --> src/bin/6.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let n_blocks = chars.len() as i32 / room_in_block; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_blocks` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_blocks` [INFO] [stdout] --> src/bin/6.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let n_blocks = chars.len() as i32 / room_in_block; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_blocks` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/6.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `convert` [INFO] [stdout] --> src/bin/6.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn convert(s: String, num_rows: i32) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bfs_coin_change` [INFO] [stdout] --> src/bin/322.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn bfs_coin_change(coins: Vec, amount: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node` [INFO] [stdout] --> src/bin/98.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn make_node(val: i32) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node_with` [INFO] [stdout] --> src/bin/98.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn make_node_with( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/201.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ExamRoom` [INFO] [stdout] --> src/bin/855.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct ExamRoom { [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] --> src/bin/855.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(N: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `seat` [INFO] [stdout] --> src/bin/855.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn seat(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `leave` [INFO] [stdout] --> src/bin/855.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn leave(&mut self, p: i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/bin/855.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(N: i32) -> Self { [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/201.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `range_bitwise_and` [INFO] [stdout] --> src/bin/201.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn range_bitwise_and(m: i32, n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `naive_range_bitwise_and` [INFO] [stdout] --> src/bin/201.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn naive_range_bitwise_and(m: i32, n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `RandomizedSet` [INFO] [stdout] --> src/bin/380.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct RandomizedSet { [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] --> src/bin/380.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: `insert` [INFO] [stdout] --> src/bin/380.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn insert(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/bin/380.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | 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] --> src/bin/380.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn get_random(&mut self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/67.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_binary` [INFO] [stdout] --> src/bin/67.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn add_binary(a: String, b: String) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `naive_add_binary` [INFO] [stdout] --> src/bin/67.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn naive_add_binary(a: String, b: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1403.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_subsequence` [INFO] [stdout] --> src/bin/1403.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn min_subsequence(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/bin/1.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `binary_search_two_sum` [INFO] [stdout] --> src/bin/1.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn binary_search_two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `brute_force_two_sum` [INFO] [stdout] --> src/bin/1.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn brute_force_two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::min` [INFO] [stdout] --> src/bin/76.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/105.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct Solution; [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: `build_tree` [INFO] [stdout] --> src/bin/105.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn build_tree(preorder: Vec, inorder: Vec) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/105.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn dfs(preorder: &mut VecDeque, inorder: &[i32]) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node` [INFO] [stdout] --> src/bin/105.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn make_node(val: i32) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node_with` [INFO] [stdout] --> src/bin/105.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn make_node_with( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/412.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/253.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | for (key, (start, end)) in m.into_iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fizz_buzz` [INFO] [stdout] --> src/bin/412.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn fizz_buzz(n: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/76.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut t_count = t.chars().fold(HashMap::new(), |mut acc, ch| { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/93.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `restore_ip_addresses` [INFO] [stdout] --> src/bin/93.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn restore_ip_addresses(s: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_valid` [INFO] [stdout] --> src/bin/93.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn is_valid(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/210.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_order` [INFO] [stdout] --> src/bin/210.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_order(num_courses: i32, prerequisites: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/198.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rob` [INFO] [stdout] --> src/bin/198.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn rob(nums: Vec) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/881.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num_rescue_boats` [INFO] [stdout] --> src/bin/881.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn num_rescue_boats(people: Vec, limit: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/213.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rob` [INFO] [stdout] --> src/bin/213.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn rob(nums: Vec) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/146.rs:51:23 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/146.rs:51:33 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LRUCache` [INFO] [stdout] --> src/bin/146.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct LRUCache { [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] --> src/bin/146.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(capacity: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/bin/146.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn get(&mut self, key: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `put` [INFO] [stdout] --> src/bin/146.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_calculated` [INFO] [stdout] --> src/bin/264.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut num_calculated = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_calculated` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/264.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut num_calculated = 0; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/111.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | struct Solution; [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: `min_depth` [INFO] [stdout] --> src/bin/111.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn min_depth(root: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node` [INFO] [stdout] --> src/bin/111.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn make_node(val: i32) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node_with` [INFO] [stdout] --> src/bin/111.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn make_node_with( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MOD` should have a snake case name [INFO] [stdout] --> src/bin/1383.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let MOD = 1_000_000_007; [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `mod` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/108.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | struct Solution; [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: `sorted_array_to_bst` [INFO] [stdout] --> src/bin/108.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn sorted_array_to_bst(nums: Vec) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/108.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn dfs(nums: &[i32]) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node` [INFO] [stdout] --> src/bin/108.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn make_node(val: i32) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_node_with` [INFO] [stdout] --> src/bin/108.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn make_node_with( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/bin/394.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut iter = substr.into_iter(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end_index` is never read [INFO] [stdout] --> src/bin/394.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut end_index = index; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/394.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut iter = substr.into_iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/394.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `decode_string` [INFO] [stdout] --> src/bin/394.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn decode_string(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/bin/394.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn solve(ans: &mut String, substr: &[char]) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/23.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/bin/1380.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let width = matrix[0].len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MOD` should have a snake case name [INFO] [stdout] --> src/bin/1383.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let MOD = 1_000_000_007; [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `mod` [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/739.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `daily_temperatures` [INFO] [stdout] --> src/bin/739.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn daily_temperatures(t: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1209.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/bin/1209.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn remove_duplicates(s: String, k: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1342.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `number_of_steps` [INFO] [stdout] --> src/bin/1342.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn number_of_steps(num: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/206.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/1011.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ship_within_days` [INFO] [stdout] --> src/bin/1011.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn ship_within_days(weights: Vec, d: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/199.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [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: `right_side_view` [INFO] [stdout] --> src/bin/199.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn right_side_view(root: Node) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/bin/199.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn dfs(node: Node, vec: &mut Vec, depth: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `1406` [INFO] [stdout] --> src/bin/1406.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | // TODO [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/1406.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `valley` is never read [INFO] [stdout] --> src/bin/122.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut valley = prices[0]; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `peek` is never read [INFO] [stdout] --> src/bin/122.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut peek = prices[0]; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `valley` is never read [INFO] [stdout] --> src/bin/122.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | valley = peek; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/779.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | x => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/547.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_circle_num` [INFO] [stdout] --> src/bin/547.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_circle_num(m: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/779.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | x => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/779.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `kth_grammar` [INFO] [stdout] --> src/bin/779.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn kth_grammar(n: i32, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/bin/779.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn solve(row: i32, col: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `factorial` [INFO] [stdout] --> src/bin/62.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn factorial(n: i32) -> i32 { [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "16d5ae92ce561c9821a58e37cecbc5041d8276257a559da72894a62cd9f36388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16d5ae92ce561c9821a58e37cecbc5041d8276257a559da72894a62cd9f36388", kill_on_drop: false }` [INFO] [stdout] 16d5ae92ce561c9821a58e37cecbc5041d8276257a559da72894a62cd9f36388