[INFO] cloning repository https://github.com/edsion11/rust_leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edsion11/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31022e3e568fe406a9ed8f45dc2904909ed2bb90
[INFO] linting edsion11/rust_leetcode against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/edsion11/rust_leetcode
[INFO] finished tweaking git repo https://github.com/edsion11/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/edsion11/rust_leetcode written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/edsion11/rust_leetcode 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] crate git repo https://github.com/edsion11/rust_leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cf1debd47d13f0762bb717fe93539e8892443f6fdfb9f8cc9498c2a6befb9668
[INFO] running `Command { std: "docker" "start" "-a" "cf1debd47d13f0762bb717fe93539e8892443f6fdfb9f8cc9498c2a6befb9668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1debd47d13f0762bb717fe93539e8892443f6fdfb9f8cc9498c2a6befb9668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1debd47d13f0762bb717fe93539e8892443f6fdfb9f8cc9498c2a6befb9668", kill_on_drop: false }`
[INFO] [stdout] cf1debd47d13f0762bb717fe93539e8892443f6fdfb9f8cc9498c2a6befb9668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 130d333f9cff2a74fdf990ed3dc2d58ab57fcdc82be5fbfd3dadf239cff66564
[INFO] running `Command { std: "docker" "start" "-a" "130d333f9cff2a74fdf990ed3dc2d58ab57fcdc82be5fbfd3dadf239cff66564", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap`
[INFO] [stdout]   --> src/native_solution/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use self::leetcode_42::trap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap_dp`
[INFO] [stdout]   --> src/native_solution/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::leetcode_42::trap_dp;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap_two_pointer`
[INFO] [stdout]   --> src/native_solution/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use self::leetcode_42::trap_two_pointer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_135::candy`
[INFO] [stdout]   --> src/native_solution/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub use self::leetcode_135::candy;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_167::two_sum`
[INFO] [stdout]   --> src/native_solution/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub use self::leetcode_167::two_sum;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_29::spiral_order`
[INFO] [stdout]   --> src/native_solution/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub use self::leetcode_29::spiral_order;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_316::remove_duplicate_letters`
[INFO] [stdout]   --> src/native_solution/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub use self::leetcode_316::remove_duplicate_letters;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_401::add_strings`
[INFO] [stdout]   --> src/native_solution/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub use self::leetcode_401::add_strings;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_406::reconstruct_queue`
[INFO] [stdout]   --> src/native_solution/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use self::leetcode_406::reconstruct_queue;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_413::number_of_arithmetic_slices`
[INFO] [stdout]   --> src/native_solution/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use self::leetcode_413::number_of_arithmetic_slices;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_435::erase_overlap_intervals`
[INFO] [stdout]   --> src/native_solution/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub use self::leetcode_435::erase_overlap_intervals;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_452::find_min_arrow_shots`
[INFO] [stdout]   --> src/native_solution/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use self::leetcode_452::find_min_arrow_shots;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_455::find_content_children`
[INFO] [stdout]   --> src/native_solution/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use self::leetcode_455::find_content_children;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_55::can_jump`
[INFO] [stdout]   --> src/native_solution/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub use self::leetcode_55::can_jump;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_605::can_place_flowers`
[INFO] [stdout]   --> src/native_solution/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub use self::leetcode_605::can_place_flowers;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_64::min_path_sum`
[INFO] [stdout]   --> src/native_solution/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub use self::leetcode_64::min_path_sum;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_665::check_possibility`
[INFO] [stdout]   --> src/native_solution/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub use self::leetcode_665::check_possibility;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_70::climb_stairs`
[INFO] [stdout]   --> src/native_solution/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::leetcode_70::climb_stairs;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_76::min_window`
[INFO] [stdout]   --> src/native_solution/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub use self::leetcode_76::min_window;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_763::partition_labels`
[INFO] [stdout]   --> src/native_solution/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub use self::leetcode_763::partition_labels;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_88::merge`
[INFO] [stdout]   --> src/native_solution/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub use self::leetcode_88::merge;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_887::super_egg_drop`
[INFO] [stdout]   --> src/native_solution/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub use self::leetcode_887::super_egg_drop;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_894::all_possible_fbt`
[INFO] [stdout]   --> src/native_solution/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub use self::leetcode_894::all_possible_fbt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_99::recover_tree`
[INFO] [stdout]   --> src/native_solution/mod.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub use self::leetcode_99::recover_tree;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_33::search`
[INFO] [stdout]   --> src/native_solution/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub use self::leetcode_33::search;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_20::is_valid`
[INFO] [stdout]   --> src/native_solution/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub use self::leetcode_20::is_valid;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after doc comment
[INFO] [stdout]  --> src/sorts/bucket_sort.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / /// Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout] 3 | |
[INFO] [stdout]   | |_^
[INFO] [stdout] 4 |   pub fn bucket_sort<H, F, T>(arr: &mut [T], hasher: F)
[INFO] [stdout]   |   ------------------ the comment documents this function
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_doc_comments
[INFO] [stdout]   = note: `#[warn(clippy::empty_line_after_doc_comments)]` on by default
[INFO] [stdout]   = help: if the empty line is unintentional, remove it
[INFO] [stdout] help: if the comment should document the parent module use an inner doc comment
[INFO] [stdout]   |
[INFO] [stdout] 2 - /// Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout] 2 + //! Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after doc comment
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / /// Bucket to store elements.
[INFO] [stdout] 42 | |
[INFO] [stdout]    | |_^
[INFO] [stdout] 43 |   struct Bucket<H, T> {
[INFO] [stdout]    |   ------------- the comment documents this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_doc_comments
[INFO] [stdout]    = help: if the empty line is unintentional, remove it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::three_way_string_quicksort::quick_sort`
[INFO] [stdout]  --> src/sorts/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::three_way_string_quicksort::quick_sort;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::bucket_sort::bucket_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::bucket_sort::bucket_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::quick_sort::quick_sort as other_quick_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::quick_sort::quick_sort as other_quick_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::insert_sort::insert_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use self::insert_sort::insert_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap`
[INFO] [stdout]   --> src/native_solution/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use self::leetcode_42::trap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap_dp`
[INFO] [stdout]   --> src/native_solution/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::leetcode_42::trap_dp;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_42::trap_two_pointer`
[INFO] [stdout]   --> src/native_solution/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use self::leetcode_42::trap_two_pointer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_135::candy`
[INFO] [stdout]   --> src/native_solution/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub use self::leetcode_135::candy;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_167::two_sum`
[INFO] [stdout]   --> src/native_solution/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub use self::leetcode_167::two_sum;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_29::spiral_order`
[INFO] [stdout]   --> src/native_solution/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub use self::leetcode_29::spiral_order;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_316::remove_duplicate_letters`
[INFO] [stdout]   --> src/native_solution/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub use self::leetcode_316::remove_duplicate_letters;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_401::add_strings`
[INFO] [stdout]   --> src/native_solution/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub use self::leetcode_401::add_strings;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_406::reconstruct_queue`
[INFO] [stdout]   --> src/native_solution/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use self::leetcode_406::reconstruct_queue;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_413::number_of_arithmetic_slices`
[INFO] [stdout]   --> src/native_solution/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use self::leetcode_413::number_of_arithmetic_slices;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_435::erase_overlap_intervals`
[INFO] [stdout]   --> src/native_solution/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub use self::leetcode_435::erase_overlap_intervals;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_452::find_min_arrow_shots`
[INFO] [stdout]   --> src/native_solution/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use self::leetcode_452::find_min_arrow_shots;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_455::find_content_children`
[INFO] [stdout]   --> src/native_solution/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use self::leetcode_455::find_content_children;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_55::can_jump`
[INFO] [stdout]   --> src/native_solution/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub use self::leetcode_55::can_jump;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_605::can_place_flowers`
[INFO] [stdout]   --> src/native_solution/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub use self::leetcode_605::can_place_flowers;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_64::min_path_sum`
[INFO] [stdout]   --> src/native_solution/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub use self::leetcode_64::min_path_sum;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_665::check_possibility`
[INFO] [stdout]   --> src/native_solution/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub use self::leetcode_665::check_possibility;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_70::climb_stairs`
[INFO] [stdout]   --> src/native_solution/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::leetcode_70::climb_stairs;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_76::min_window`
[INFO] [stdout]   --> src/native_solution/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub use self::leetcode_76::min_window;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_763::partition_labels`
[INFO] [stdout]   --> src/native_solution/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub use self::leetcode_763::partition_labels;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_88::merge`
[INFO] [stdout]   --> src/native_solution/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub use self::leetcode_88::merge;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_887::super_egg_drop`
[INFO] [stdout]   --> src/native_solution/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub use self::leetcode_887::super_egg_drop;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_894::all_possible_fbt`
[INFO] [stdout]   --> src/native_solution/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub use self::leetcode_894::all_possible_fbt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_99::recover_tree`
[INFO] [stdout]   --> src/native_solution/mod.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub use self::leetcode_99::recover_tree;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_33::search`
[INFO] [stdout]   --> src/native_solution/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub use self::leetcode_33::search;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::leetcode_20::is_valid`
[INFO] [stdout]   --> src/native_solution/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub use self::leetcode_20::is_valid;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after doc comment
[INFO] [stdout]  --> src/sorts/bucket_sort.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / /// Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout] 3 | |
[INFO] [stdout]   | |_^
[INFO] [stdout] 4 |   pub fn bucket_sort<H, F, T>(arr: &mut [T], hasher: F)
[INFO] [stdout]   |   ------------------ the comment documents this function
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_doc_comments
[INFO] [stdout]   = note: `#[warn(clippy::empty_line_after_doc_comments)]` on by default
[INFO] [stdout]   = help: if the empty line is unintentional, remove it
[INFO] [stdout] help: if the comment should document the parent module use an inner doc comment
[INFO] [stdout]   |
[INFO] [stdout] 2 - /// Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout] 2 + //! Bucket sort from https://chercher.tech/rust/bucket-sort-rust
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after doc comment
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / /// Bucket to store elements.
[INFO] [stdout] 42 | |
[INFO] [stdout]    | |_^
[INFO] [stdout] 43 |   struct Bucket<H, T> {
[INFO] [stdout]    |   ------------- the comment documents this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_doc_comments
[INFO] [stdout]    = help: if the empty line is unintentional, remove it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::three_way_string_quicksort::quick_sort`
[INFO] [stdout]  --> src/sorts/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::three_way_string_quicksort::quick_sort;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::bucket_sort::bucket_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::bucket_sort::bucket_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::quick_sort::quick_sort as other_quick_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::quick_sort::quick_sort as other_quick_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::insert_sort::insert_sort`
[INFO] [stdout]   --> src/sorts/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use self::insert_sort::insert_sort;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_135.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 candies[right - 1] = candies[right - 1] + 1
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `candies[right - 1] += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_135.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         right = right - 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `right -= 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty doc comment
[INFO] [stdout]  --> src/native_solution/leetcode_167.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / /**
[INFO] [stdout] 2 | |  *
[INFO] [stdout] 3 | |  */
[INFO] [stdout]   | |___^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing or filling it
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_docs
[INFO] [stdout]   = note: `#[warn(clippy::empty_docs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if matrix.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matrix.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]   = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut left = 0 as i32;
[INFO] [stdout]   |                    ^^^^^^^^ help: try: `0_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: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut top = 0 as i32;
[INFO] [stdout]   |                   ^^^^^^^^ help: try: `0_i32`
[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: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 num1.as_bytes()[i - 1] - '0' as u8
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout]    = note: `#[warn(clippy::char_lit_as_u8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 num2.as_bytes()[j - 1] - '0' as u8
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         res.push(tmp % 10 + '0' as u8);
[INFO] [stdout]    |                             ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         if i > 0 {
[INFO] [stdout] 27 | |             i -= 1;
[INFO] [stdout] 28 | |         }
[INFO] [stdout]    | |_________^ help: try: `i = i.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout]    = note: `#[warn(clippy::implicit_saturating_sub)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         if j > 0 {
[INFO] [stdout] 30 | |             j -= 1;
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________^ help: try: `j = j.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         res.push('1' as u8);
[INFO] [stdout]    |                  ^^^^^^^^^ help: use a byte literal instead: `b'1'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_406.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return result;
[INFO] [stdout] 17 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_406.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if people.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `people.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_406.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return b[0].cmp(&a[0]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return b[0].cmp(&a[0]);
[INFO] [stdout] 11 +         b[0].cmp(&a[0])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]  --> src/native_solution/leetcode_413.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             pre = pre + 1;
[INFO] [stdout]   |             ^^^^^^^^^^^^^ help: replace it with: `pre += 1`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_413.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             sum = sum + pre;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: replace it with: `sum += pre`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_435.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return total;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return total;
[INFO] [stdout] 20 +     total
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_435.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if intervals.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `intervals.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `_i` is only used to index `intervals`
[INFO] [stdout]   --> src/native_solution/leetcode_435.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for _i in 1..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]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 13 -     for _i in 1..len {
[INFO] [stdout] 13 +     for <item> in intervals.iter().take(len).skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_452.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     return result;
[INFO] [stdout] 13 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `_i` is only used to index `points`
[INFO] [stdout]  --> src/native_solution/leetcode_452.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for _i in 1..points.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] 7 -     for _i in 1..points.len() {
[INFO] [stdout] 7 +     for <item> in points.iter().skip(1) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_55.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     return last_valid_index == 0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     return last_valid_index == 0;
[INFO] [stdout] 11 +     last_valid_index == 0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]  --> src/native_solution/leetcode_55.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         right = right - 1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: replace it with: `right -= 1`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_605.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     return false;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     return false;
[INFO] [stdout] 19 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_665.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     return true;
[INFO] [stdout] 28 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against true are unnecessary
[INFO] [stdout]   --> src/native_solution/leetcode_665.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |             if flag == true {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try: `flag`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_70.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return cur;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return cur;
[INFO] [stdout] 30 +     cur
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_76.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         return String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 44 -         return String::new();
[INFO] [stdout] 44 +         String::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_76.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         return String::from(&s[begin..begin + minlen]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -         return String::from(&s[begin..begin + minlen]);
[INFO] [stdout] 46 +         String::from(&s[begin..begin + minlen])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_763.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return result;
[INFO] [stdout] 17 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_path_sum` is never used
[INFO] [stdout]  --> src/native_solution/leetcode_64.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn min_path_sum(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/native_solution/leetcode_894.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TreeNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_894.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     #[inline]
[INFO] [stdout] 11 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_possible_fbt` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_894.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn all_possible_fbt(mut n: i32) -> Vec<Option<Rc<RefCell<TreeNode>>>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/native_solution/leetcode_99.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TreeNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 12 |     #[inline]
[INFO] [stdout] 13 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recover_tree` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn recover_tree(_root: Option<Rc<RefCell<TreeNode>>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap` is never used
[INFO] [stdout]  --> src/native_solution/leetcode_42.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn trap(height: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap_dp` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_42.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn trap_dp(height: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap_two_pointer` is never used
[INFO] [stdout]   --> src/native_solution/leetcode_42.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn trap_two_pointer(height: Vec<i32>) -> i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]  --> src/native_solution/leetcode_33.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]  --> src/native_solution/leetcode_20.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_sort` is never used
[INFO] [stdout]  --> src/sorts/bucket_sort.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn bucket_sort<H, F, T>(arr: &mut [T], hasher: F)
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Bucket<H, T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<H, T> Bucket<H, T> {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn new(hash: H, value: T) -> Bucket<H, T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort` is never used
[INFO] [stdout]  --> src/sorts/three_way_string_quicksort.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn quick_sort(arr: &mut Vec<&str>, lo: i32, hi: i32, d: i32) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_at` is never used
[INFO] [stdout]   --> src/sorts/three_way_string_quicksort.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn char_at(str: &str, i: i32) -> u8 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort` is never used
[INFO] [stdout]  --> src/sorts/quick_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn quick_sort<T: Ord>(arr: &mut [T]){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_sort` is never used
[INFO] [stdout]  --> src/sorts/insert_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insert_sort<T: Ord>(arr: &mut [T]){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shell_sort` is never used
[INFO] [stdout]  --> src/sorts/shell_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn shell_sort<T: Ord+Copy>(arr: &mut [T]) {
[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]  --> src/native_solution/leetcode_88.rs:2:52
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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]   = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 2 - pub fn merge(nums1: &mut Vec<i32>, _m: i32, nums2: &mut Vec<i32>, _n: i32) {
[INFO] [stdout] 2 + pub fn merge(nums1: &mut Vec<i32>, _m: i32, nums2: &mut [i32], _n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]   --> src/native_solution/leetcode_88.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | /                 for _i in 0..array.len() - 1 {
[INFO] [stdout] 18 | |                     nums1[_i + 1] = array[_i]
[INFO] [stdout] 19 | |                 }
[INFO] [stdout]    | |_________________^ help: try replacing the loop by: `nums1[1..((array.len() - 1) + 1)].copy_from_slice(&array[..(array.len() - 1)]);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout]    = note: `#[warn(clippy::manual_memcpy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this let-binding has unit value
[INFO] [stdout]   --> src/native_solution/leetcode_88.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let merge_nums = merge(&mut nums1, m, &mut nums2, n);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stdout]    = note: `#[warn(clippy::let_unit_value)]` on by default
[INFO] [stdout] help: omit the `let` binding and replace variable usages with `()`
[INFO] [stdout]    |
[INFO] [stdout] 32 ~     merge(&mut nums1, m, &mut nums2, n);
[INFO] [stdout] 33 ~     println!("{:?}", ())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_135.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 candies[right - 1] = candies[right - 1] + 1
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `candies[right - 1] += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_135.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         right = right - 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `right -= 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty doc comment
[INFO] [stdout]  --> src/native_solution/leetcode_167.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / /**
[INFO] [stdout] 2 | |  *
[INFO] [stdout] 3 | |  */
[INFO] [stdout]   | |___^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing or filling it
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_docs
[INFO] [stdout]   = note: `#[warn(clippy::empty_docs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]   --> src/native_solution/leetcode_887.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t as i32
[INFO] [stdout]    |     ^^^^^^^^ help: try: `t`
[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: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if matrix.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matrix.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]   = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut left = 0 as i32;
[INFO] [stdout]   |                    ^^^^^^^^ help: try: `0_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: casting integer literal to `i32` is unnecessary
[INFO] [stdout]  --> src/native_solution/leetcode_29.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut top = 0 as i32;
[INFO] [stdout]   |                   ^^^^^^^^ help: try: `0_i32`
[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: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 num1.as_bytes()[i - 1] - '0' as u8
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout]    = note: `#[warn(clippy::char_lit_as_u8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 num2.as_bytes()[j - 1] - '0' as u8
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         res.push(tmp % 10 + '0' as u8);
[INFO] [stdout]    |                             ^^^^^^^^^ help: use a byte literal instead: `b'0'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     while !r.is_none()||!queue.is_empty(){
[INFO] [stdout]    |           ^^^^^^^^^^^^ help: try: `r.is_some()`
[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: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         if i > 0 {
[INFO] [stdout] 27 | |             i -= 1;
[INFO] [stdout] 28 | |         }
[INFO] [stdout]    | |_________^ help: try: `i = i.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout]    = note: `#[warn(clippy::implicit_saturating_sub)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicitly performing saturating subtraction
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         if j > 0 {
[INFO] [stdout] 30 | |             j -= 1;
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________^ help: try: `j = j.saturating_sub(1);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/native_solution/leetcode_401.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         res.push('1' as u8);
[INFO] [stdout]    |                  ^^^^^^^^^ help: use a byte literal instead: `b'1'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_406.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return result;
[INFO] [stdout] 17 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_406.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if people.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `people.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_406.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return b[0].cmp(&a[0]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return b[0].cmp(&a[0]);
[INFO] [stdout] 11 +         b[0].cmp(&a[0])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let curval = item.as_ref().borrow().val.clone();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `item.as_ref().borrow().val`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]   --> src/native_solution/leetcode_99.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let preval = prev.as_ref().borrow().val.clone();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `prev.as_ref().borrow().val`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_42.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     return result;
[INFO] [stdout] 28 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]  --> src/native_solution/leetcode_413.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             pre = pre + 1;
[INFO] [stdout]   |             ^^^^^^^^^^^^^ help: replace it with: `pre += 1`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/native_solution/leetcode_413.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             sum = sum + pre;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: replace it with: `sum += pre`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_435.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return total;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return total;
[INFO] [stdout] 20 +     total
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]  --> src/native_solution/leetcode_435.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if intervals.len() == 0 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `intervals.is_empty()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `_i` is only used to index `intervals`
[INFO] [stdout]   --> src/native_solution/leetcode_435.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for _i in 1..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]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 13 -     for _i in 1..len {
[INFO] [stdout] 13 +     for <item> in intervals.iter().take(len).skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_452.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     return result;
[INFO] [stdout] 13 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `_i` is only used to index `points`
[INFO] [stdout]  --> src/native_solution/leetcode_452.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for _i in 1..points.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] 7 -     for _i in 1..points.len() {
[INFO] [stdout] 7 +     for <item> in points.iter().skip(1) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_55.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     return last_valid_index == 0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     return last_valid_index == 0;
[INFO] [stdout] 11 +     last_valid_index == 0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]  --> src/native_solution/leetcode_55.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         right = right - 1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: replace it with: `right -= 1`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_605.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     return false;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     return false;
[INFO] [stdout] 19 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_665.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     return true;
[INFO] [stdout] 28 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]  --> src/native_solution/leetcode_20.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if s.len()%2!=0{
[INFO] [stdout]   |        ^^^^^^^^^^^^ help: replace with: `!s.len().is_multiple_of(2)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]   = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against true are unnecessary
[INFO] [stdout]   --> src/native_solution/leetcode_665.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |             if flag == true {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try: `flag`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for (_,&str) in s.as_bytes().iter().enumerate(){
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 12 -     for (_,&str) in s.as_bytes().iter().enumerate(){
[INFO] [stdout] 12 +     for &str in s.as_bytes().iter(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_70.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return cur;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return cur;
[INFO] [stdout] 30 +     cur
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     stack.len()==0
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `stack.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_76.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         return String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 44 -         return String::new();
[INFO] [stdout] 44 +         String::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_76.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         return String::from(&s[begin..begin + minlen]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -         return String::from(&s[begin..begin + minlen]);
[INFO] [stdout] 46 +         String::from(&s[begin..begin + minlen])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pop = array.clone().pop().unwrap_or_else(|| 2);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 38 -     let pop = array.clone().pop().unwrap_or_else(|| 2);
[INFO] [stdout] 38 +     let pop = array.clone().pop().unwrap_or(2);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     assert_eq!(false, res);
[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] 40 -     assert_eq!(false, res);
[INFO] [stdout] 40 +     assert!(!res);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_763.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return result;
[INFO] [stdout] 17 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let hash = hasher(&value);
[INFO] [stdout]    |                           ^^^^^^ help: change this to: `value`
[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: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]  --> src/native_solution/leetcode_88.rs:2:52
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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]   = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 2 - pub fn merge(nums1: &mut Vec<i32>, _m: i32, nums2: &mut Vec<i32>, _n: i32) {
[INFO] [stdout] 2 + pub fn merge(nums1: &mut Vec<i32>, _m: i32, nums2: &mut [i32], _n: i32) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like you're manually copying between slices
[INFO] [stdout]   --> src/native_solution/leetcode_88.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | /                 for _i in 0..array.len() - 1 {
[INFO] [stdout] 18 | |                     nums1[_i + 1] = array[_i]
[INFO] [stdout] 19 | |                 }
[INFO] [stdout]    | |_________________^ help: try replacing the loop by: `nums1[1..((array.len() - 1) + 1)].copy_from_slice(&array[..(array.len() - 1)]);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stdout]    = note: `#[warn(clippy::manual_memcpy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/sorts/three_way_string_quicksort.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout] 32 +     str.as_bytes()[i as usize] as u8
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> src/sorts/three_way_string_quicksort.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `str.as_bytes()[i as usize]`
[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: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]   --> src/native_solution/leetcode_887.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     t as i32
[INFO] [stdout]    |     ^^^^^^^^ help: try: `t`
[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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> src/sorts/quick_sort.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |     arr.swap(store_index as usize, privot as usize);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `privot`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/native_solution/leetcode_42.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     return result;
[INFO] [stdout] 28 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]  --> src/native_solution/leetcode_20.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if s.len()%2!=0{
[INFO] [stdout]   |        ^^^^^^^^^^^^ help: replace with: `!s.len().is_multiple_of(2)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]   = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for (_,&str) in s.as_bytes().iter().enumerate(){
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]    = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]    |
[INFO] [stdout] 12 -     for (_,&str) in s.as_bytes().iter().enumerate(){
[INFO] [stdout] 12 +     for &str in s.as_bytes().iter(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/native_solution/leetcode_20.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     stack.len()==0
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `stack.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/sorts/bucket_sort.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let hash = hasher(&value);
[INFO] [stdout]    |                           ^^^^^^ help: change this to: `value`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/sorts/three_way_string_quicksort.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout] 32 +     str.as_bytes()[i as usize] as u8
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> src/sorts/three_way_string_quicksort.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return str.as_bytes()[i as usize] as u8;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `str.as_bytes()[i as usize]`
[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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]   --> src/sorts/quick_sort.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |     arr.swap(store_index as usize, privot as usize);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: try: `privot`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "130d333f9cff2a74fdf990ed3dc2d58ab57fcdc82be5fbfd3dadf239cff66564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130d333f9cff2a74fdf990ed3dc2d58ab57fcdc82be5fbfd3dadf239cff66564", kill_on_drop: false }`
[INFO] [stdout] 130d333f9cff2a74fdf990ed3dc2d58ab57fcdc82be5fbfd3dadf239cff66564