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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RockyLiys/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyLiys%2Frust_example", kill_on_drop: false }`
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[INFO] building RockyLiys/rust_example against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyLiys%2Frust_example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `test_hashmap` and `test_static`
[INFO] [stdout]  --> src/basic_type/example.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::basic_type::collection::{test_hashmap, test_static};
[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: `crate::basic_type::fn_example`
[INFO] [stdout]  --> src/basic_type/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::basic_type::fn_example;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test_fn`
[INFO] [stdout]  --> src/basic_type/example.rs:5:76
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::basic_type::fn_example::{exec, exec1, exec2, factory, factory1, test_fn};
[INFO] [stdout]   |                                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::basic_type::generic_example::test_generics`
[INFO] [stdout]  --> src/basic_type/example.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::basic_type::generic_example::test_generics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `test_lifetime2` and `test_lifetime`
[INFO] [stdout]  --> src/basic_type/example.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::basic_type::lifetime::{test_lifetime, test_lifetime2};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::http_request`
[INFO] [stdout]  --> src/basic_type/example.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::http_request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::http_request::req::req_test`
[INFO] [stdout]  --> src/http_request/ffi/ffi_mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::http_request::req::req_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Str`
[INFO] [stdout]  --> src/advanced_level/life_cycle.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::de::Unexpected::Str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::main`
[INFO] [stdout]  --> src/advanced_level/life_cycle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::main;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::advanced_level::multi_thread::multi_async`
[INFO] [stdout]  --> src/advanced_level/example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::advanced_level::multi_thread::multi_async;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `is_unique` and `replace_spaces`
[INFO] [stdout]  --> src/leetcode/example.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::leetcode::str_unique::{compress_string, is_unique, replace_spaces};
[INFO] [stdout]   |                                                    ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrowed_values`
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let borrowed_values = nums.clone().into_iter().for_each(|x|{
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowed_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut now = SystemTime::now();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/http_request/req.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mul(&mut self, val: i32) -> i32 {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn open(f: &mut File) -> bool {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn close(f: &mut File) -> bool {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THREE_HOURS_IN_SECONDS` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LEVEL` is never used
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut LEVEL: u32 = 5; // 不是线程安全
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CORRECT` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | static CORRECT: u32 = 1; // 线程安全
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print_and_format` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn test_print_and_format() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print_string` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn test_print_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_debug_string` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_debug_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_data_type` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn test_data_type() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_num_handle` is never used
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn test_num_handle() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `callback` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn callback() -> (bool, String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ret_unit_type` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn ret_unit_type(x: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_all_ownership` is never used
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn test_all_ownership() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn takes_ownership(some_thing: String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `makes_copy` is never used
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn makes_copy(some_integer: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_function` is never used
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn test_function() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn calculate_length(s: &mut String) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_borrowing` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn test_borrowing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open` is never used
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn open(f: &mut File) -> bool {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close` is never used
[INFO] [stdout]    --> src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn close(f: &mut File) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_file_read` is never used
[INFO] [stdout]    --> src/main.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn test_file_read() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_slice_string` is never used
[INFO] [stdout]    --> src/main.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn test_slice_string() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn first_word(s: &String) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_utf8_slice` is never used
[INFO] [stdout]    --> src/main.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn test_utf8_slice() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_transfer_string_str` is never used
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn test_transfer_string_str() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]    --> src/main.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 | struct Rectangle {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_struct` is never used
[INFO] [stdout]    --> src/main.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn test_struct() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PokerSuit` is never used
[INFO] [stdout]    --> src/main.rs:251:6
[INFO] [stdout]     |
[INFO] [stdout] 251 | enum PokerSuit {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_suit` is never used
[INFO] [stdout]    --> src/main.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn print_suit(card: PokerSuit) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PokerCard` is never constructed
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct PokerCard {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PU` is never used
[INFO] [stdout]    --> src/main.rs:266:6
[INFO] [stdout]     |
[INFO] [stdout] 266 | enum PU {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_enum` is never used
[INFO] [stdout]    --> src/main.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn test_enum() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_array` is never used
[INFO] [stdout]    --> src/main.rs:296:4
[INFO] [stdout]     |
[INFO] [stdout] 296 | fn test_array() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/main.rs:331:6
[INFO] [stdout]     |
[INFO] [stdout] 331 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/main.rs:338:6
[INFO] [stdout]     |
[INFO] [stdout] 338 | enum Action {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_match` is never used
[INFO] [stdout]    --> src/main.rs:344:4
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn test_match() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_one` is never used
[INFO] [stdout]    --> src/main.rs:396:4
[INFO] [stdout]     |
[INFO] [stdout] 396 | fn plus_one(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_option` is never used
[INFO] [stdout]    --> src/main.rs:402:4
[INFO] [stdout]     |
[INFO] [stdout] 402 | fn test_option(){
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `workout` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_workout` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn test_workout(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn_struct_enum_trait` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn test_fn_struct_enum_trait() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_pub_super` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn test_pub_super(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_hashmap` is never used
[INFO] [stdout]  --> src/basic_type/collection.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn test_hashmap() {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_memory_location` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_memory_location() -> (usize,usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_str_at_location` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_str_at_location(pointer: usize, length: usize) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_static_str` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn gen_static_str() ->&'static str {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_static` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) fn test_static() {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/basic_type/enum_example.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum Message {
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]  --> src/basic_type/enum_example.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Message {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 8 |     pub(crate) fn call(&self){
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn` is never used
[INFO] [stdout]  --> src/basic_type/fn_example.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn test_fn(){
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) fn exec<F: FnOnce()>(f: F) {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec1` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn exec1<F: FnMut()>(mut f: F){
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec2` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn exec2<F: Fn()>(f: F){
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_function` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn complex_function(a: &i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_only` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn match_only<'a>(a: &'a i32, b: &'a i32) -> &'a i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factory` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub(crate) fn factory(x: i32) -> impl Fn(i32) -> i32{
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factory1` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn factory1(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/basic_type/generic_example.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn add<T:std::ops::Add<Output = T>>(a:T, b:T) -> T {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/basic_type/generic_example.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Point<T,U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mix_up` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T, U> Point<T, U> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 17 |     fn mix_up<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_array` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn display_array<T: std::fmt::Debug, const N: usize>(arr: [T;N]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_generics` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn test_generics(){
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime` is never used
[INFO] [stdout]  --> src/basic_type/lifetime.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn test_lifetime() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime2` is never used
[INFO] [stdout]   --> src/basic_type/lifetime.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn test_lifetime2(){
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]  --> src/basic_type/struct_example.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Circle {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `area`, and `radius` are never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Circle {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     pub(crate) fn new(x: f64, y:f64, radius: f64) -> Circle {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) fn area(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub(crate) fn radius(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct Rectangle {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `area` are never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub(crate) fn new(width:u32, height:u32) -> Rectangle {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) fn area(&self) -> u32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 38 |     pub(crate) fn can_hold(&self, other: &Circle) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeUFn` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) struct SomeUFn {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeTFn` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct SomeTFn {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Summary` is never used
[INFO] [stdout]  --> src/basic_type/trait_example.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Summary {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> src/basic_type/trait_example.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct Post {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Weibo` is never constructed
[INFO] [stdout]   --> src/basic_type/trait_example.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct Weibo {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/basic_type/trait_example.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn notify<T: Summary + Debug>(entry: &T) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarize` is never used
[INFO] [stdout]   --> src/basic_type/trait_example.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub(crate) fn returns_summarize(switch: bool) -> Box<dyn Summary>{
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_handler_string` is never used
[INFO] [stdout]  --> src/basic_type/string_example.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn test_handler_string() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_type_tran` is never used
[INFO] [stdout]  --> src/basic_type/type_transfer.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn test_type_tran(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_once` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn anonymous_fn_once(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_once_callback` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn anonymous_fn_once_callback() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_mut` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn anonymous_fn_mut() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_mut_callback` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn anonymous_fn_mut_callback() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn anonymous_fn() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_callback` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn anonymous_fn_callback() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `systemc_time` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn systemc_time() -> Option<SystemTime> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_type_transfer` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn  test_type_transfer(){
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_println_format` is never used
[INFO] [stdout]  --> src/basic_type/format_example.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn test_println_format() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyStruct` is never constructed
[INFO] [stdout]   --> src/http_request/req.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct EmptyStruct;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `add_param`, and `add_pub` are never used
[INFO] [stdout]   --> src/http_request/req.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl EmptyStruct {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 39 |     fn add(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn add_param(&self, val: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn add_pub(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_struct_test` is never used
[INFO] [stdout]   --> src/http_request/req.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn empty_struct_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]   --> src/advanced_level/life_cycle.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Interface<'b, 'a: 'b> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 43 |     manager: &'b mut Manager<'a>
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_leetcode` is never used
[INFO] [stdout]  --> src/leetcode/example.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn test_leetcode() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/main.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         println!("{}", LEVEL);
[INFO] [stdout]    |                        ^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.89s
[INFO] running `Command { std: "docker" "inspect" "28fd3c8cef30ac3fe603a08896a9d7a22f01d1306cd00a697253fbbc27eaadb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fd3c8cef30ac3fe603a08896a9d7a22f01d1306cd00a697253fbbc27eaadb0", kill_on_drop: false }`
[INFO] [stdout] 28fd3c8cef30ac3fe603a08896a9d7a22f01d1306cd00a697253fbbc27eaadb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b8597af895c6935e938ebd5fc1be7fe8fc9857798047173d6da379ad4a7985b
[INFO] running `Command { std: "docker" "start" "-a" "9b8597af895c6935e938ebd5fc1be7fe8fc9857798047173d6da379ad4a7985b", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: source
[INFO] [stderr]    Compiling rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `test_hashmap` and `test_static`
[INFO] [stdout]  --> src/basic_type/example.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::basic_type::collection::{test_hashmap, test_static};
[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: `crate::basic_type::fn_example`
[INFO] [stdout]  --> src/basic_type/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::basic_type::fn_example;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test_fn`
[INFO] [stdout]  --> src/basic_type/example.rs:5:76
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::basic_type::fn_example::{exec, exec1, exec2, factory, factory1, test_fn};
[INFO] [stdout]   |                                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::basic_type::generic_example::test_generics`
[INFO] [stdout]  --> src/basic_type/example.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::basic_type::generic_example::test_generics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `test_lifetime2` and `test_lifetime`
[INFO] [stdout]  --> src/basic_type/example.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::basic_type::lifetime::{test_lifetime, test_lifetime2};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::http_request`
[INFO] [stdout]  --> src/basic_type/example.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::http_request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::http_request::req::req_test`
[INFO] [stdout]  --> src/http_request/ffi/ffi_mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::http_request::req::req_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Str`
[INFO] [stdout]  --> src/advanced_level/life_cycle.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::de::Unexpected::Str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::main`
[INFO] [stdout]  --> src/advanced_level/life_cycle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::main;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::advanced_level::multi_thread::multi_async`
[INFO] [stdout]  --> src/advanced_level/example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::advanced_level::multi_thread::multi_async;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `is_unique` and `replace_spaces`
[INFO] [stdout]  --> src/leetcode/example.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::leetcode::str_unique::{compress_string, is_unique, replace_spaces};
[INFO] [stdout]   |                                                    ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrowed_values`
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let borrowed_values = nums.clone().into_iter().for_each(|x|{
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowed_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut now = SystemTime::now();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/http_request/req.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mul(&mut self, val: i32) -> i32 {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn open(f: &mut File) -> bool {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn close(f: &mut File) -> bool {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THREE_HOURS_IN_SECONDS` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LEVEL` is never used
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut LEVEL: u32 = 5; // 不是线程安全
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CORRECT` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | static CORRECT: u32 = 1; // 线程安全
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print_and_format` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn test_print_and_format() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print_string` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn test_print_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_debug_string` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_debug_string() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_data_type` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn test_data_type() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_num_handle` is never used
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn test_num_handle() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `callback` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn callback() -> (bool, String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ret_unit_type` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn ret_unit_type(x: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_all_ownership` is never used
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn test_all_ownership() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn takes_ownership(some_thing: String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `makes_copy` is never used
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn makes_copy(some_integer: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_function` is never used
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn test_function() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn calculate_length(s: &mut String) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_borrowing` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn test_borrowing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open` is never used
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn open(f: &mut File) -> bool {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close` is never used
[INFO] [stdout]    --> src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn close(f: &mut File) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_file_read` is never used
[INFO] [stdout]    --> src/main.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn test_file_read() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_slice_string` is never used
[INFO] [stdout]    --> src/main.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn test_slice_string() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn first_word(s: &String) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_utf8_slice` is never used
[INFO] [stdout]    --> src/main.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn test_utf8_slice() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_transfer_string_str` is never used
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn test_transfer_string_str() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]    --> src/main.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 | struct Rectangle {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_struct` is never used
[INFO] [stdout]    --> src/main.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn test_struct() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PokerSuit` is never used
[INFO] [stdout]    --> src/main.rs:251:6
[INFO] [stdout]     |
[INFO] [stdout] 251 | enum PokerSuit {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_suit` is never used
[INFO] [stdout]    --> src/main.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn print_suit(card: PokerSuit) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PokerCard` is never constructed
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct PokerCard {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PU` is never used
[INFO] [stdout]    --> src/main.rs:266:6
[INFO] [stdout]     |
[INFO] [stdout] 266 | enum PU {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_enum` is never used
[INFO] [stdout]    --> src/main.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn test_enum() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_array` is never used
[INFO] [stdout]    --> src/main.rs:296:4
[INFO] [stdout]     |
[INFO] [stdout] 296 | fn test_array() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/main.rs:331:6
[INFO] [stdout]     |
[INFO] [stdout] 331 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/main.rs:338:6
[INFO] [stdout]     |
[INFO] [stdout] 338 | enum Action {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_match` is never used
[INFO] [stdout]    --> src/main.rs:344:4
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn test_match() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_one` is never used
[INFO] [stdout]    --> src/main.rs:396:4
[INFO] [stdout]     |
[INFO] [stdout] 396 | fn plus_one(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_option` is never used
[INFO] [stdout]    --> src/main.rs:402:4
[INFO] [stdout]     |
[INFO] [stdout] 402 | fn test_option(){
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `workout` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_workout` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn test_workout(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn_struct_enum_trait` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn test_fn_struct_enum_trait() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_pub_super` is never used
[INFO] [stdout]   --> src/basic_type/example.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn test_pub_super(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_hashmap` is never used
[INFO] [stdout]  --> src/basic_type/collection.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn test_hashmap() {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_memory_location` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_memory_location() -> (usize,usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_str_at_location` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_str_at_location(pointer: usize, length: usize) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_static_str` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn gen_static_str() ->&'static str {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_static` is never used
[INFO] [stdout]   --> src/basic_type/collection.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) fn test_static() {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/basic_type/enum_example.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum Message {
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]  --> src/basic_type/enum_example.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Message {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 8 |     pub(crate) fn call(&self){
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn` is never used
[INFO] [stdout]  --> src/basic_type/fn_example.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn test_fn(){
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) fn exec<F: FnOnce()>(f: F) {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec1` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn exec1<F: FnMut()>(mut f: F){
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec2` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn exec2<F: Fn()>(f: F){
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_function` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn complex_function(a: &i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_only` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn match_only<'a>(a: &'a i32, b: &'a i32) -> &'a i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factory` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub(crate) fn factory(x: i32) -> impl Fn(i32) -> i32{
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factory1` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn factory1(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> src/basic_type/fn_example.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/basic_type/generic_example.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn add<T:std::ops::Add<Output = T>>(a:T, b:T) -> T {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/basic_type/generic_example.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Point<T,U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mix_up` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T, U> Point<T, U> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 17 |     fn mix_up<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_array` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn display_array<T: std::fmt::Debug, const N: usize>(arr: [T;N]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_generics` is never used
[INFO] [stdout]   --> src/basic_type/generic_example.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn test_generics(){
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime` is never used
[INFO] [stdout]  --> src/basic_type/lifetime.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn test_lifetime() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime2` is never used
[INFO] [stdout]   --> src/basic_type/lifetime.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn test_lifetime2(){
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]  --> src/basic_type/struct_example.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Circle {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `area`, and `radius` are never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Circle {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     pub(crate) fn new(x: f64, y:f64, radius: f64) -> Circle {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) fn area(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub(crate) fn radius(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct Rectangle {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `area` are never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub(crate) fn new(width:u32, height:u32) -> Rectangle {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) fn area(&self) -> u32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/basic_type/struct_example.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 38 |     pub(crate) fn can_hold(&self, other: &Circle) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeUFn` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) struct SomeUFn {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeTFn` is never constructed
[INFO] [stdout]   --> src/basic_type/struct_example.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct SomeTFn {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Summary` is never used
[INFO] [stdout]  --> src/basic_type/trait_example.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Summary {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> src/basic_type/trait_example.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct Post {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Weibo` is never constructed
[INFO] [stdout]   --> src/basic_type/trait_example.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct Weibo {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/basic_type/trait_example.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn notify<T: Summary + Debug>(entry: &T) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarize` is never used
[INFO] [stdout]   --> src/basic_type/trait_example.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub(crate) fn returns_summarize(switch: bool) -> Box<dyn Summary>{
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_handler_string` is never used
[INFO] [stdout]  --> src/basic_type/string_example.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn test_handler_string() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_type_tran` is never used
[INFO] [stdout]  --> src/basic_type/type_transfer.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn test_type_tran(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_once` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn anonymous_fn_once(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_once_callback` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn anonymous_fn_once_callback() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_mut` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn anonymous_fn_mut() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_mut_callback` is never used
[INFO] [stdout]   --> src/basic_type/type_transfer.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn anonymous_fn_mut_callback() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn anonymous_fn() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anonymous_fn_callback` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn anonymous_fn_callback() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `systemc_time` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn systemc_time() -> Option<SystemTime> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_type_transfer` is never used
[INFO] [stdout]    --> src/basic_type/type_transfer.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn  test_type_transfer(){
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_println_format` is never used
[INFO] [stdout]  --> src/basic_type/format_example.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn test_println_format() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyStruct` is never constructed
[INFO] [stdout]   --> src/http_request/req.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct EmptyStruct;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `add_param`, and `add_pub` are never used
[INFO] [stdout]   --> src/http_request/req.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl EmptyStruct {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 39 |     fn add(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn add_param(&self, val: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn add_pub(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_struct_test` is never used
[INFO] [stdout]   --> src/http_request/req.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn empty_struct_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]   --> src/advanced_level/life_cycle.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Interface<'b, 'a: 'b> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 43 |     manager: &'b mut Manager<'a>
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_leetcode` is never used
[INFO] [stdout]  --> src/leetcode/example.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn test_leetcode() {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/main.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         println!("{}", LEVEL);
[INFO] [stdout]    |                        ^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "9b8597af895c6935e938ebd5fc1be7fe8fc9857798047173d6da379ad4a7985b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8597af895c6935e938ebd5fc1be7fe8fc9857798047173d6da379ad4a7985b", kill_on_drop: false }`
[INFO] [stdout] 9b8597af895c6935e938ebd5fc1be7fe8fc9857798047173d6da379ad4a7985b