[INFO] cloning repository https://github.com/CNife/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CNife/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCNife%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCNife%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 265aa4a083d797c319c29df66779e406ce353841
[INFO] linting CNife/leetcode-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCNife%2Fleetcode-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CNife/leetcode-rust
[INFO] finished tweaking git repo https://github.com/CNife/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/CNife/leetcode-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CNife/leetcode-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb18477375a91c99816282c0145900d9582dcbceb0cf8d68f418f282a8e4993
[INFO] running `Command { std: "docker" "start" "-a" "4fb18477375a91c99816282c0145900d9582dcbceb0cf8d68f418f282a8e4993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb18477375a91c99816282c0145900d9582dcbceb0cf8d68f418f282a8e4993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb18477375a91c99816282c0145900d9582dcbceb0cf8d68f418f282a8e4993", kill_on_drop: false }`
[INFO] [stdout] 4fb18477375a91c99816282c0145900d9582dcbceb0cf8d68f418f282a8e4993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483438465f690b43cc9559965c0fe3fbdee5b8d276d7751fb774cf59bfcc5fef
[INFO] running `Command { std: "docker" "start" "-a" "483438465f690b43cc9559965c0fe3fbdee5b8d276d7751fb774cf59bfcc5fef", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking finished v0.1.0 (/opt/rustwide/workdir/finished)
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression`
[INFO] [stdout]   --> finished/src/image_smoother.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |             #[allow(clippy::eval_order_dependence)]
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression`
[INFO] [stdout]   --> finished/src/image_smoother.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |             #[allow(clippy::eval_order_dependence)]
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> finished/src/array_nesting.rs:24:50
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut Vec<bool>) -> i32 {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 24 - fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut Vec<bool>) -> i32 {
[INFO] [stdout] 24 + fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut [bool]) -> i32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> finished/src/basic_calculator.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if first.is_digit(10) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: try: `first.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]    = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> finished/src/basic_calculator.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     .find(|(_, ch)| !ch.is_digit(10))
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/best_time_to_buy_and_sell_stock_with_cooldown.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut hold = std::i32::MIN;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -     let mut hold = std::i32::MIN;
[INFO] [stdout] 16 +     let mut hold = i32::MIN;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> finished/src/binary_number_with_alternating_bits.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut num = 0x55555555 as i32;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^ help: try: `0x55555555_i32`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `hour_ones` is used to index `hour_map`
[INFO] [stdout]   --> finished/src/binary_watch.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for hour_ones in 0..=min(3, num) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 18 -     for hour_ones in 0..=min(3, num) {
[INFO] [stdout] 18 +     for (hour_ones, <item>) in hour_map.iter().enumerate().take(min(3, num) + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attempt to mutate range bound within loop
[INFO] [stdout]   --> finished/src/clumsy_factorial.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n -= 1;
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the range of the loop is unchanged
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_range_bound
[INFO] [stdout]    = note: `#[warn(clippy::mut_range_bound)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/coin_change.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut min_change = std::i32::MAX;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let mut min_change = std::i32::MAX;
[INFO] [stdout] 69 +         let mut min_change = i32::MAX;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/coin_change.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 |         table[amount] = if min_change == std::i32::MAX {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 78 -         table[amount] = if min_change == std::i32::MAX {
[INFO] [stdout] 78 +         table[amount] = if min_change == i32::MAX {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> finished/src/compare_version_numbers.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         match self.cmp(other) {
[INFO] [stdout] 53 | |             Ordering::Equal => true,
[INFO] [stdout] 54 | |             _ => false,
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 52 -         match self.cmp(other) {
[INFO] [stdout] 53 -             Ordering::Equal => true,
[INFO] [stdout] 54 -             _ => false,
[INFO] [stdout] 55 -         }
[INFO] [stdout] 52 +         matches!(self.cmp(other), Ordering::Equal)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/day_of_the_week.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     std::i32::MIN, // for padding
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 24 -     std::i32::MIN, // for padding
[INFO] [stdout] 24 +     i32::MIN, // for padding
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/day_of_the_week.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     std::i32::MIN, // for padding
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 40 -     std::i32::MIN, // for padding
[INFO] [stdout] 40 +     i32::MIN, // for padding
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/divide_two_integers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]  --> finished/src/evaluate_division.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for (equation, value) in equations.iter().zip(values.into_iter()) {
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]  --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     for (equation, value) in equations.iter().zip(values.into_iter()) {
[INFO] [stdout] 9 +     for (equation, value) in equations.iter().zip(values) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]   --> finished/src/evaluate_division.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 .or_insert_with(Vec::new)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/find_median_sorted_arrays.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/find_subsequences.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |             if *seq.last().unwrap_or(&std::i32::MIN) <= nums[i] {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 18 -             if *seq.last().unwrap_or(&std::i32::MIN) <= nums[i] {
[INFO] [stdout] 18 +             if *seq.last().unwrap_or(&i32::MIN) <= nums[i] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> finished/src/find_the_duplicated_number.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let chunks = (width / 64) as usize + 1;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: try: `(width / 64)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> finished/src/game_of_life.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 let count = Solution::count(&board, rows, columns, r, c);
[INFO] [stdout]    |                                             ^^^^^^ help: change this to: `board`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/game_of_life.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 | const MARKED_ZERO: i32 = std::i32::MIN;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 52 - const MARKED_ZERO: i32 = std::i32::MIN;
[INFO] [stdout] 52 + const MARKED_ZERO: i32 = i32::MIN;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/game_of_life.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 | const MARKED_ONE: i32 = std::i32::MIN + 1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 54 - const MARKED_ONE: i32 = std::i32::MIN + 1;
[INFO] [stdout] 54 + const MARKED_ONE: i32 = i32::MIN + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]  --> finished/src/gas_station.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for (i, (g, c)) in gas.into_iter().zip(cost.into_iter()).enumerate() {
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]  --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]   |
[INFO] [stdout] 6 -     for (i, (g, c)) in gas.into_iter().zip(cost.into_iter()).enumerate() {
[INFO] [stdout] 6 +     for (i, (g, c)) in gas.into_iter().zip(cost).enumerate() {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/generate_matrix.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |             for c in i..j {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 17 -             for c in i..j {
[INFO] [stdout] 17 +             for <item> in matrix.iter_mut().take(j).skip(i) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/generate_matrix.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for r in i..j {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 20 -             for r in i..j {
[INFO] [stdout] 20 +             for <item> in matrix.iter_mut().take(j).skip(i) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]  --> finished/src/heaters.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     heaters.push(std::i32::MAX);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]   |
[INFO] [stdout] 4 -     heaters.push(std::i32::MAX);
[INFO] [stdout] 4 +     heaters.push(i32::MAX);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` can be confused for the standard trait method `std::iter::Iterator::next`
[INFO] [stdout]   --> finished/src/iterator_for_combination.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     pub fn next(&mut self) -> String {
[INFO] [stdout] 23 | |         if self.has_next {
[INFO] [stdout] 24 | |             let result: Vec<u8> = self
[INFO] [stdout] 25 | |                 .index_stack
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::iter::Iterator` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout]    = note: `#[warn(clippy::should_implement_trait)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `digits.get(0)`
[INFO] [stdout]   --> finished/src/letter_combinations.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match digits.get(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ help: try: `digits.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-canonical implementation of `partial_cmp` on an `Ord` type
[INFO] [stdout]   --> finished/src/lfu_cache.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / impl PartialOrd for Node {
[INFO] [stdout] 84 | |     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stdout] 85 | |         match self.frequency.partial_cmp(&other.frequency) {
[INFO] [stdout] 86 | |             Some(Ordering::Equal) => self.last_accessed.partial_cmp(&other.last_accessed),
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#non_canonical_partial_ord_impl
[INFO] [stdout]    = note: `#[warn(clippy::non_canonical_partial_ord_impl)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stdout] 85 -         match self.frequency.partial_cmp(&other.frequency) {
[INFO] [stdout] 86 -             Some(Ordering::Equal) => self.last_accessed.partial_cmp(&other.last_accessed),
[INFO] [stdout] 87 -             prev => prev,
[INFO] [stdout] 88 -         }
[INFO] [stdout] 89 -     }
[INFO] [stdout] 84 +     fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&num).is_none()`
[INFO] [stdout]  --> finished/src/longest_consecutive_sequence.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         if map.get(&num).is_none() {
[INFO] [stdout]   |            ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: replace it with: `!map.contains_key(&num)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/maximal_rectangle.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for (dpn, ch) in dp.iter_mut().zip(row.into_iter()) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         for (dpn, ch) in dp.iter_mut().zip(row.into_iter()) {
[INFO] [stdout] 12 +         for (dpn, ch) in dp.iter_mut().zip(row) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/maximum_product_subarray.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/merge_sorted_array.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout] 1 + pub fn merge(nums1: &mut [i32], m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/merge_sorted_array.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout] 1 + pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut [i32], n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `MinStack`
[INFO] [stdout]   --> finished/src/min_stack.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     pub fn new() -> MinStack {
[INFO] [stdout] 12 | |         MinStack(Vec::new())
[INFO] [stdout] 13 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 10 + impl Default for MinStack {
[INFO] [stdout] 11 +     fn default() -> Self {
[INFO] [stdout] 12 +         Self::new()
[INFO] [stdout] 13 +     }
[INFO] [stdout] 14 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]  --> finished/src/minimum_absolute_difference.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut min_diff = std::i32::MAX;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]   |
[INFO] [stdout] 4 -     let mut min_diff = std::i32::MAX;
[INFO] [stdout] 4 +     let mut min_diff = i32::MAX;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/next_permutation.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn next_permutation(nums: &mut Vec<i32>) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn next_permutation(nums: &mut Vec<i32>) {
[INFO] [stdout] 1 + pub fn next_permutation(nums: &mut [i32]) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> finished/src/number_of_islands.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn bfs(grid: &mut Vec<Vec<char>>, i: usize, j: usize) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn bfs(grid: &mut Vec<Vec<char>>, i: usize, j: usize) {
[INFO] [stdout] 23 + fn bfs(grid: &mut [Vec<char>], i: usize, j: usize) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> finished/src/original_digits.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let idx = *c as u8 - b'a';
[INFO] [stdout]    |                       ^^^^^^^^ help: try: `*c`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `DIGITS_MAP`
[INFO] [stdout]   --> finished/src/original_digits.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for i in 0usize..26 {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 51 -         for i in 0usize..26 {
[INFO] [stdout] 51 +         for (i, <item>) in DIGITS_MAP.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> finished/src/original_digits.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |             self.0[i] -= DIGITS_MAP[digit as usize][i];
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ help: try: `digit`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nums`
[INFO] [stdout]  --> finished/src/product_of_array_except_self.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for i in 0..n {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for i in 0..n {
[INFO] [stdout] 5 +     for <item> in nums.iter().take(n) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/remove_duplicates_from_sorted_array_2.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout] 1 + pub fn remove_duplicates(nums: &mut [i32]) -> i32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/set_zeroes.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn set_zeroes(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 4 -     pub fn set_zeroes(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stdout] 4 +     pub fn set_zeroes(matrix: &mut [Vec<i32>]) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/set_zeroes.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for r in 0..matrix.len() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 24 -             for r in 0..matrix.len() {
[INFO] [stdout] 24 +             for <item> in &mut matrix {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/shortest_distance_to_a_character.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for pair in l_dist_vec.into_iter().zip(r_dist_vec.into_iter()) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     for pair in l_dist_vec.into_iter().zip(r_dist_vec.into_iter()) {
[INFO] [stdout] 11 +     for pair in l_dist_vec.into_iter().zip(r_dist_vec) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> finished/src/shortest_distance_to_a_character.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |           } else if let Some(prev) = prev_idx {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 35 | |             Some((idx - prev) as i32)
[INFO] [stdout] 36 | |         } else {
[INFO] [stdout] 37 | |             None
[INFO] [stdout] 38 | |         };
[INFO] [stdout]    | |_________^ help: try: `{ prev_idx.map(|prev| (idx - prev) as i32) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `right`
[INFO] [stdout]   --> finished/src/sliding_window_maximum.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for i in 0..=n - k {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 46 -         for i in 0..=n - k {
[INFO] [stdout] 46 +         for (i, <item>) in right.iter().enumerate().take((n - k) + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |             for c in column_start..column_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 15 -             for c in column_start..column_end {
[INFO] [stdout] 15 +             for <item> in matrix.iter().take(column_end).skip(column_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |             for r in row_start + 1..row_end - 1 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 18 -             for r in row_start + 1..row_end - 1 {
[INFO] [stdout] 18 +             for <item> in matrix.iter().take(row_end - 1).skip(row_start + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |             for c in column_start..column_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 35 -             for c in column_start..column_end {
[INFO] [stdout] 35 +             for <item> in matrix.iter().take(column_end).skip(column_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |             for r in row_start..row_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 39 -             for r in row_start..row_end {
[INFO] [stdout] 39 +             for <item> in matrix.iter().take(row_end).skip(row_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/string_compression.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(chars: &mut Vec<char>) -> i32 {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn compress(chars: &mut Vec<char>) -> i32 {
[INFO] [stdout] 1 + pub fn compress(chars: &mut [char]) -> i32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> finished/src/string_is_number.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     match status {
[INFO] [stdout] 88 | |         Integer | DotRead | Decimal | ExponentInteger | TrailingSpace => true,
[INFO] [stdout] 89 | |         _ => false,
[INFO] [stdout] 90 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 87 -     match status {
[INFO] [stdout] 88 -         Integer | DotRead | Decimal | ExponentInteger | TrailingSpace => true,
[INFO] [stdout] 89 -         _ => false,
[INFO] [stdout] 90 -     }
[INFO] [stdout] 87 +     matches!(status, Integer | DotRead | Decimal | ExponentInteger | TrailingSpace)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/string_to_integer_atoi.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]  --> finished/src/string_to_integer_atoi.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     while let Some(ch) = iter.next() {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for ch in iter.by_ref()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]   = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/trapping_rain_water.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .zip(left_maxes.into_iter())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         .zip(left_maxes.into_iter())
[INFO] [stdout] 13 +         .zip(left_maxes)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `map_or` can be simplified
[INFO] [stdout]   --> finished/src/trie.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.get_node(&word).map_or(false, |w| w.is_word)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_or
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_map_or)]` on by default
[INFO] [stdout] help: use `is_some_and` instead
[INFO] [stdout]    |
[INFO] [stdout] 27 -         self.get_node(&word).map_or(false, |w| w.is_word)
[INFO] [stdout] 27 +         self.get_node(&word).is_some_and(|w| w.is_word)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `obstacle_grid`
[INFO] [stdout]  --> finished/src/unique_paths_2.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for i in 0..m {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for i in 0..m {
[INFO] [stdout] 7 +     for <item> in obstacle_grid.iter().take(m) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `Range::contains` implementation
[INFO] [stdout]   --> finished/src/utf_8_validation.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if byte >= 0b1000_0000 && byte < 0b1100_0000 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0b1000_0000..0b1100_0000).contains(&byte)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/word_break.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let dict: HashSet<String> = HashSet::from_iter(dict.into_iter());
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/collect.rs:152:20
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let dict: HashSet<String> = HashSet::from_iter(dict.into_iter());
[INFO] [stdout] 25 +     let dict: HashSet<String> = HashSet::from_iter(dict);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> finished/src/binary_watch.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let hour_map = vec![vec![0], vec![1, 2, 4, 8], vec![3, 5, 6, 9, 10], vec![7, 11]];
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[vec![0], vec![1, 2, 4, 8], vec![3, 5, 6, 9, 10], vec![7, 11]]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]   = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> finished/src/binary_watch.rs:5:22
[INFO] [stdout]    |
[INFO] [stdout]  5 |       let minute_map = vec![
[INFO] [stdout]    |  ______________________^
[INFO] [stdout]  6 | |         vec![0],
[INFO] [stdout]  7 | |         vec![1, 2, 4, 8, 16, 32],
[INFO] [stdout]  8 | |         vec![3, 5, 6, 9, 10, 12, 17, 18, 20, 24, 33, 34, 36, 40, 48],
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |         vec![31, 47, 55, 59],
[INFO] [stdout] 14 | |     ];
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout]  5 ~     let minute_map = [vec![0],
[INFO] [stdout]  6 +         vec![1, 2, 4, 8, 16, 32],
[INFO] [stdout]  7 +         vec![3, 5, 6, 9, 10, 12, 17, 18, 20, 24, 33, 34, 36, 40, 48],
[INFO] [stdout]  8 +         vec![
[INFO] [stdout]  9 +             7, 11, 13, 14, 19, 21, 22, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56,
[INFO] [stdout] 10 +         ],
[INFO] [stdout] 11 +         vec![15, 23, 27, 29, 30, 39, 43, 45, 46, 51, 53, 54, 57, 58],
[INFO] [stdout] 12 ~         vec![31, 47, 55, 59]];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> finished/src/divide_two_integers.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     debug_assert!(!vec![0, 1, -1, i32::MIN].contains(&divisor));
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[0, 1, -1, i32::MIN]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> finished/src/array_nesting.rs:24:50
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut Vec<bool>) -> i32 {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 24 - fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut Vec<bool>) -> i32 {
[INFO] [stdout] 24 + fn dfs_iter(nums: &[i32], mut i: usize, visited: &mut [bool]) -> i32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> finished/src/basic_calculator.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if first.is_digit(10) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: try: `first.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]    = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> finished/src/basic_calculator.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     .find(|(_, ch)| !ch.is_digit(10))
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/best_time_to_buy_and_sell_stock_with_cooldown.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut hold = std::i32::MIN;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -     let mut hold = std::i32::MIN;
[INFO] [stdout] 16 +     let mut hold = i32::MIN;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> finished/src/binary_number_with_alternating_bits.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut num = 0x55555555 as i32;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^ help: try: `0x55555555_i32`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `hour_ones` is used to index `hour_map`
[INFO] [stdout]   --> finished/src/binary_watch.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for hour_ones in 0..=min(3, num) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 18 -     for hour_ones in 0..=min(3, num) {
[INFO] [stdout] 18 +     for (hour_ones, <item>) in hour_map.iter().enumerate().take(min(3, num) + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attempt to mutate range bound within loop
[INFO] [stdout]   --> finished/src/clumsy_factorial.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n -= 1;
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the range of the loop is unchanged
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_range_bound
[INFO] [stdout]    = note: `#[warn(clippy::mut_range_bound)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/coin_change.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut min_change = std::i32::MAX;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 69 -         let mut min_change = std::i32::MAX;
[INFO] [stdout] 69 +         let mut min_change = i32::MAX;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/coin_change.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 |         table[amount] = if min_change == std::i32::MAX {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 78 -         table[amount] = if min_change == std::i32::MAX {
[INFO] [stdout] 78 +         table[amount] = if min_change == i32::MAX {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> finished/src/compare_version_numbers.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         match self.cmp(other) {
[INFO] [stdout] 53 | |             Ordering::Equal => true,
[INFO] [stdout] 54 | |             _ => false,
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 52 -         match self.cmp(other) {
[INFO] [stdout] 53 -             Ordering::Equal => true,
[INFO] [stdout] 54 -             _ => false,
[INFO] [stdout] 55 -         }
[INFO] [stdout] 52 +         matches!(self.cmp(other), Ordering::Equal)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/day_of_the_week.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     std::i32::MIN, // for padding
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 24 -     std::i32::MIN, // for padding
[INFO] [stdout] 24 +     i32::MIN, // for padding
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/day_of_the_week.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     std::i32::MIN, // for padding
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 40 -     std::i32::MIN, // for padding
[INFO] [stdout] 40 +     i32::MIN, // for padding
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/divide_two_integers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]  --> finished/src/evaluate_division.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for (equation, value) in equations.iter().zip(values.into_iter()) {
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]  --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     for (equation, value) in equations.iter().zip(values.into_iter()) {
[INFO] [stdout] 9 +     for (equation, value) in equations.iter().zip(values) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]   --> finished/src/evaluate_division.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 .or_insert_with(Vec::new)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/find_median_sorted_arrays.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/find_subsequences.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |             if *seq.last().unwrap_or(&std::i32::MIN) <= nums[i] {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 18 -             if *seq.last().unwrap_or(&std::i32::MIN) <= nums[i] {
[INFO] [stdout] 18 +             if *seq.last().unwrap_or(&i32::MIN) <= nums[i] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> finished/src/find_the_duplicated_number.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let chunks = (width / 64) as usize + 1;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: try: `(width / 64)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/fraction_to_recurring_decimal.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (std::i32::MIN, -1, "2147483648"),
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 55 -         (std::i32::MIN, -1, "2147483648"),
[INFO] [stdout] 55 +         (i32::MIN, -1, "2147483648"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> finished/src/game_of_life.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 let count = Solution::count(&board, rows, columns, r, c);
[INFO] [stdout]    |                                             ^^^^^^ help: change this to: `board`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/game_of_life.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 | const MARKED_ZERO: i32 = std::i32::MIN;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 52 - const MARKED_ZERO: i32 = std::i32::MIN;
[INFO] [stdout] 52 + const MARKED_ZERO: i32 = i32::MIN;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> finished/src/game_of_life.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 | const MARKED_ONE: i32 = std::i32::MIN + 1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 54 - const MARKED_ONE: i32 = std::i32::MIN + 1;
[INFO] [stdout] 54 + const MARKED_ONE: i32 = i32::MIN + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]  --> finished/src/gas_station.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for (i, (g, c)) in gas.into_iter().zip(cost.into_iter()).enumerate() {
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]  --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]   |
[INFO] [stdout] 6 -     for (i, (g, c)) in gas.into_iter().zip(cost.into_iter()).enumerate() {
[INFO] [stdout] 6 +     for (i, (g, c)) in gas.into_iter().zip(cost).enumerate() {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/generate_matrix.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |             for c in i..j {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 17 -             for c in i..j {
[INFO] [stdout] 17 +             for <item> in matrix.iter_mut().take(j).skip(i) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/generate_matrix.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for r in i..j {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 20 -             for r in i..j {
[INFO] [stdout] 20 +             for <item> in matrix.iter_mut().take(j).skip(i) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]  --> finished/src/heaters.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     heaters.push(std::i32::MAX);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]   |
[INFO] [stdout] 4 -     heaters.push(std::i32::MAX);
[INFO] [stdout] 4 +     heaters.push(i32::MAX);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` can be confused for the standard trait method `std::iter::Iterator::next`
[INFO] [stdout]   --> finished/src/iterator_for_combination.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     pub fn next(&mut self) -> String {
[INFO] [stdout] 23 | |         if self.has_next {
[INFO] [stdout] 24 | |             let result: Vec<u8> = self
[INFO] [stdout] 25 | |                 .index_stack
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::iter::Iterator` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout]    = note: `#[warn(clippy::should_implement_trait)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> finished/src/iterator_for_combination.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if !next_indexes(&mut stack, m - 1).is_some() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `next_indexes(&mut stack, m - 1).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `digits.get(0)`
[INFO] [stdout]   --> finished/src/letter_combinations.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match digits.get(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ help: try: `digits.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-canonical implementation of `partial_cmp` on an `Ord` type
[INFO] [stdout]   --> finished/src/lfu_cache.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / impl PartialOrd for Node {
[INFO] [stdout] 84 | |     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stdout] 85 | |         match self.frequency.partial_cmp(&other.frequency) {
[INFO] [stdout] 86 | |             Some(Ordering::Equal) => self.last_accessed.partial_cmp(&other.last_accessed),
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#non_canonical_partial_ord_impl
[INFO] [stdout]    = note: `#[warn(clippy::non_canonical_partial_ord_impl)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stdout] 85 -         match self.frequency.partial_cmp(&other.frequency) {
[INFO] [stdout] 86 -             Some(Ordering::Equal) => self.last_accessed.partial_cmp(&other.last_accessed),
[INFO] [stdout] 87 -             prev => prev,
[INFO] [stdout] 88 -         }
[INFO] [stdout] 89 -     }
[INFO] [stdout] 84 +     fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&num).is_none()`
[INFO] [stdout]  --> finished/src/longest_consecutive_sequence.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         if map.get(&num).is_none() {
[INFO] [stdout]   |            ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: replace it with: `!map.contains_key(&num)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/maximal_rectangle.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for (dpn, ch) in dp.iter_mut().zip(row.into_iter()) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         for (dpn, ch) in dp.iter_mut().zip(row.into_iter()) {
[INFO] [stdout] 12 +         for (dpn, ch) in dp.iter_mut().zip(row) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/maximum_nesting_depth_of_two_valid_parentheses_strings.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for item in s.bytes().zip(split.into_iter()) {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 17 -         for item in s.bytes().zip(split.into_iter()) {
[INFO] [stdout] 17 +         for item in s.bytes().zip(split) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/maximum_product_subarray.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/merge_sorted_array.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout] 1 + pub fn merge(nums1: &mut [i32], m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/merge_sorted_array.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) {
[INFO] [stdout] 1 + pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut [i32], n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `MinStack`
[INFO] [stdout]   --> finished/src/min_stack.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     pub fn new() -> MinStack {
[INFO] [stdout] 12 | |         MinStack(Vec::new())
[INFO] [stdout] 13 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 10 + impl Default for MinStack {
[INFO] [stdout] 11 +     fn default() -> Self {
[INFO] [stdout] 12 +         Self::new()
[INFO] [stdout] 13 +     }
[INFO] [stdout] 14 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]  --> finished/src/minimum_absolute_difference.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut min_diff = std::i32::MAX;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]   |
[INFO] [stdout] 4 -     let mut min_diff = std::i32::MAX;
[INFO] [stdout] 4 +     let mut min_diff = i32::MAX;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/next_permutation.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn next_permutation(nums: &mut Vec<i32>) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn next_permutation(nums: &mut Vec<i32>) {
[INFO] [stdout] 1 + pub fn next_permutation(nums: &mut [i32]) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> finished/src/number_of_islands.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn bfs(grid: &mut Vec<Vec<char>>, i: usize, j: usize) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn bfs(grid: &mut Vec<Vec<char>>, i: usize, j: usize) {
[INFO] [stdout] 23 + fn bfs(grid: &mut [Vec<char>], i: usize, j: usize) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> finished/src/original_digits.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let idx = *c as u8 - b'a';
[INFO] [stdout]    |                       ^^^^^^^^ help: try: `*c`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `DIGITS_MAP`
[INFO] [stdout]   --> finished/src/original_digits.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for i in 0usize..26 {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 51 -         for i in 0usize..26 {
[INFO] [stdout] 51 +         for (i, <item>) in DIGITS_MAP.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> finished/src/original_digits.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |             self.0[i] -= DIGITS_MAP[digit as usize][i];
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ help: try: `digit`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nums`
[INFO] [stdout]  --> finished/src/product_of_array_except_self.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for i in 0..n {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for i in 0..n {
[INFO] [stdout] 5 +     for <item> in nums.iter().take(n) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/remove_duplicates_from_sorted_array_2.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout] 1 + pub fn remove_duplicates(nums: &mut [i32]) -> i32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/set_zeroes.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn set_zeroes(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 4 -     pub fn set_zeroes(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stdout] 4 +     pub fn set_zeroes(matrix: &mut [Vec<i32>]) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/set_zeroes.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for r in 0..matrix.len() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 24 -             for r in 0..matrix.len() {
[INFO] [stdout] 24 +             for <item> in &mut matrix {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/shortest_distance_to_a_character.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for pair in l_dist_vec.into_iter().zip(r_dist_vec.into_iter()) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     for pair in l_dist_vec.into_iter().zip(r_dist_vec.into_iter()) {
[INFO] [stdout] 11 +     for pair in l_dist_vec.into_iter().zip(r_dist_vec) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> finished/src/shortest_distance_to_a_character.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |           } else if let Some(prev) = prev_idx {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 35 | |             Some((idx - prev) as i32)
[INFO] [stdout] 36 | |         } else {
[INFO] [stdout] 37 | |             None
[INFO] [stdout] 38 | |         };
[INFO] [stdout]    | |_________^ help: try: `{ prev_idx.map(|prev| (idx - prev) as i32) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `right`
[INFO] [stdout]   --> finished/src/sliding_window_maximum.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for i in 0..=n - k {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 46 -         for i in 0..=n - k {
[INFO] [stdout] 46 +         for (i, <item>) in right.iter().enumerate().take((n - k) + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |             for c in column_start..column_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 15 -             for c in column_start..column_end {
[INFO] [stdout] 15 +             for <item> in matrix.iter().take(column_end).skip(column_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |             for r in row_start + 1..row_end - 1 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 18 -             for r in row_start + 1..row_end - 1 {
[INFO] [stdout] 18 +             for <item> in matrix.iter().take(row_end - 1).skip(row_start + 1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |             for c in column_start..column_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 35 -             for c in column_start..column_end {
[INFO] [stdout] 35 +             for <item> in matrix.iter().take(column_end).skip(column_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is only used to index `matrix`
[INFO] [stdout]   --> finished/src/spiral_order.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |             for r in row_start..row_end {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 39 -             for r in row_start..row_end {
[INFO] [stdout] 39 +             for <item> in matrix.iter().take(row_end).skip(row_start) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> finished/src/string_compression.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(chars: &mut Vec<char>) -> i32 {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub fn compress(chars: &mut Vec<char>) -> i32 {
[INFO] [stdout] 1 + pub fn compress(chars: &mut [char]) -> i32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> finished/src/string_is_number.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     match status {
[INFO] [stdout] 88 | |         Integer | DotRead | Decimal | ExponentInteger | TrailingSpace => true,
[INFO] [stdout] 89 | |         _ => false,
[INFO] [stdout] 90 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 87 -     match status {
[INFO] [stdout] 88 -         Integer | DotRead | Decimal | ExponentInteger | TrailingSpace => true,
[INFO] [stdout] 89 -         _ => false,
[INFO] [stdout] 90 -     }
[INFO] [stdout] 87 +     matches!(status, Integer | DotRead | Decimal | ExponentInteger | TrailingSpace)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> finished/src/string_to_integer_atoi.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]  --> finished/src/string_to_integer_atoi.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     while let Some(ch) = iter.next() {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for ch in iter.by_ref()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]   = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/subdomain_visit_count.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |         HashSet::from_iter(strings.into_iter())
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/collect.rs:152:20
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         HashSet::from_iter(strings.into_iter())
[INFO] [stdout] 59 +         HashSet::from_iter(strings)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/trapping_rain_water.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .zip(left_maxes.into_iter())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         .zip(left_maxes.into_iter())
[INFO] [stdout] 13 +         .zip(left_maxes)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `map_or` can be simplified
[INFO] [stdout]   --> finished/src/trie.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.get_node(&word).map_or(false, |w| w.is_word)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_or
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_map_or)]` on by default
[INFO] [stdout] help: use `is_some_and` instead
[INFO] [stdout]    |
[INFO] [stdout] 27 -         self.get_node(&word).map_or(false, |w| w.is_word)
[INFO] [stdout] 27 +         self.get_node(&word).is_some_and(|w| w.is_word)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/trie.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     assert_eq!(t.search("apple".to_string()), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 50 -     assert_eq!(t.search("apple".to_string()), true);
[INFO] [stdout] 50 +     assert!(t.search("apple".to_string()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/trie.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     assert_eq!(t.search("app".to_string()), false);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     assert_eq!(t.search("app".to_string()), false);
[INFO] [stdout] 51 +     assert!(!t.search("app".to_string()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/trie.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     assert_eq!(t.starts_with("app".to_string()), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 52 -     assert_eq!(t.starts_with("app".to_string()), true);
[INFO] [stdout] 52 +     assert!(t.starts_with("app".to_string()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/trie.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     assert_eq!(t.search("app".to_string()), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 54 -     assert_eq!(t.search("app".to_string()), true);
[INFO] [stdout] 54 +     assert!(t.search("app".to_string()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/ugly_number.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     assert_eq!(is_ugly(6), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     assert_eq!(is_ugly(6), true);
[INFO] [stdout] 36 +     assert!(is_ugly(6));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/ugly_number.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     assert_eq!(is_ugly(8), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 37 -     assert_eq!(is_ugly(8), true);
[INFO] [stdout] 37 +     assert!(is_ugly(8));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/ugly_number.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     assert_eq!(is_ugly(14), false);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     assert_eq!(is_ugly(14), false);
[INFO] [stdout] 38 +     assert!(!is_ugly(14));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> finished/src/ugly_number.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     assert_eq!(is_ugly(1), true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     assert_eq!(is_ugly(1), true);
[INFO] [stdout] 39 +     assert!(is_ugly(1));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `obstacle_grid`
[INFO] [stdout]  --> finished/src/unique_paths_2.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for i in 0..m {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for i in 0..m {
[INFO] [stdout] 7 +     for <item> in obstacle_grid.iter().take(m) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `Range::contains` implementation
[INFO] [stdout]   --> finished/src/utf_8_validation.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if byte >= 0b1000_0000 && byte < 0b1100_0000 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0b1000_0000..0b1100_0000).contains(&byte)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> finished/src/word_break.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let dict: HashSet<String> = HashSet::from_iter(dict.into_iter());
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/collect.rs:152:20
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let dict: HashSet<String> = HashSet::from_iter(dict.into_iter());
[INFO] [stdout] 25 +     let dict: HashSet<String> = HashSet::from_iter(dict);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> finished/src/binary_watch.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let hour_map = vec![vec![0], vec![1, 2, 4, 8], vec![3, 5, 6, 9, 10], vec![7, 11]];
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[vec![0], vec![1, 2, 4, 8], vec![3, 5, 6, 9, 10], vec![7, 11]]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]   = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> finished/src/binary_watch.rs:5:22
[INFO] [stdout]    |
[INFO] [stdout]  5 |       let minute_map = vec![
[INFO] [stdout]    |  ______________________^
[INFO] [stdout]  6 | |         vec![0],
[INFO] [stdout]  7 | |         vec![1, 2, 4, 8, 16, 32],
[INFO] [stdout]  8 | |         vec![3, 5, 6, 9, 10, 12, 17, 18, 20, 24, 33, 34, 36, 40, 48],
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |         vec![31, 47, 55, 59],
[INFO] [stdout] 14 | |     ];
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout]  5 ~     let minute_map = [vec![0],
[INFO] [stdout]  6 +         vec![1, 2, 4, 8, 16, 32],
[INFO] [stdout]  7 +         vec![3, 5, 6, 9, 10, 12, 17, 18, 20, 24, 33, 34, 36, 40, 48],
[INFO] [stdout]  8 +         vec![
[INFO] [stdout]  9 +             7, 11, 13, 14, 19, 21, 22, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56,
[INFO] [stdout] 10 +         ],
[INFO] [stdout] 11 +         vec![15, 23, 27, 29, 30, 39, 43, 45, 46, 51, 53, 54, 57, 58],
[INFO] [stdout] 12 ~         vec![31, 47, 55, 59]];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> finished/src/divide_two_integers.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     debug_assert!(!vec![0, 1, -1, i32::MIN].contains(&divisor));
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[0, 1, -1, i32::MIN]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "483438465f690b43cc9559965c0fe3fbdee5b8d276d7751fb774cf59bfcc5fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483438465f690b43cc9559965c0fe3fbdee5b8d276d7751fb774cf59bfcc5fef", kill_on_drop: false }`
[INFO] [stdout] 483438465f690b43cc9559965c0fe3fbdee5b8d276d7751fb774cf59bfcc5fef