[INFO] cloning repository https://github.com/HYliangkai/rustStudy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HYliangkai/rustStudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStudy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStudy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5961df6b1652305ae5a01e8f533316d15b27d087
[INFO] checking HYliangkai/rustStudy/5961df6b1652305ae5a01e8f533316d15b27d087 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHYliangkai%2FrustStudy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HYliangkai/rustStudy on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HYliangkai/rustStudy
[INFO] finished tweaking git repo https://github.com/HYliangkai/rustStudy
[INFO] tweaked toml for git repo https://github.com/HYliangkai/rustStudy written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HYliangkai/rustStudy 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae5bc76a3cc9e147c1c47075ab10a6b3fd0c279b8b859f77efeaedb3ed48d156
[INFO] running `Command { std: "docker" "start" "-a" "ae5bc76a3cc9e147c1c47075ab10a6b3fd0c279b8b859f77efeaedb3ed48d156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae5bc76a3cc9e147c1c47075ab10a6b3fd0c279b8b859f77efeaedb3ed48d156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5bc76a3cc9e147c1c47075ab10a6b3fd0c279b8b859f77efeaedb3ed48d156", kill_on_drop: false }`
[INFO] [stdout] ae5bc76a3cc9e147c1c47075ab10a6b3fd0c279b8b859f77efeaedb3ed48d156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e931c13259a10406c667079e70e72d411a0f7b518413daa79bd5887ee8e4cb5
[INFO] running `Command { std: "docker" "start" "-a" "6e931c13259a10406c667079e70e72d411a0f7b518413daa79bd5887ee8e4cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `executor::block_on`
[INFO] [stdout]  --> src/asyncer/feat.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{executor::block_on, FutureExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/data_structure/hashmap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `error::Error`, and `fs::File`
[INFO] [stdout]  --> src/error/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `can_iterator` should have an upper camel case name
[INFO] [stdout]  --> src/fp/iterator.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct can_iterator {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CanIterator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `find_me as dio`
[INFO] [stdout]  --> src/pack/find_me.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{find_me as dio, grandfather as dico};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`, and `self`
[INFO] [stdout]  --> src/smart_point/boxer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{self, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefMut` and `rc::Rc`
[INFO] [stdout]  --> src/smart_point/celler.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 3 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `some_type` should have an upper camel case name
[INFO] [stdout]   --> src/data_structure/vector.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |     enum some_type {
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `SomeType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `typp1` should have an upper camel case name
[INFO] [stdout]   --> src/data_structure/vector.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         typp1(i32),
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to upper camel case: `Typp1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `typp2` should have an upper camel case name
[INFO] [stdout]   --> src/data_structure/vector.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         typp2(String),
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to upper camel case: `Typp2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `typp3` should have an upper camel case name
[INFO] [stdout]   --> src/data_structure/vector.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         typp3(i64),
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to upper camel case: `Typp3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/error/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `can_iterator` should have an upper camel case name
[INFO] [stdout]  --> src/fp/iterator.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct can_iterator {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CanIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wantmatch` should have an upper camel case name
[INFO] [stdout]   --> src/matchter/matcher.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     struct wantmatch {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wantmatch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `find_me as dio`
[INFO] [stdout]  --> src/pack/find_me.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{find_me as dio, grandfather as dico};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/smart_point/boxer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{self, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/smart_point/celler.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin_pin`
[INFO] [stdout]   --> src/asyncer/feat.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let origin_pin = Pin::new(&mut p); //或是Pin::new()创建简易类型的pin
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/asyncer/feat.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let a = futures::poll!(box_pin);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin_pin`
[INFO] [stdout]   --> src/asyncer/feat.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let origin_pin = Pin::new(&mut p); //或是Pin::new()创建简易类型的pin
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/asyncer/feat.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let a = futures::poll!(box_pin);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/asyncer/feat.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             res=get_book().fuse()=>{
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/asyncer/feat.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             res=get_music().fuse() =>{
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/asyncer/feat.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             res=get_book().fuse()=>{
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/asyncer/feat.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             res=get_music().fuse() =>{
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boc`
[INFO] [stdout]   --> src/error/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let boc = aoc.clone()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_boc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_one`
[INFO] [stdout]   --> src/fp/iterator.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let iter_one = can_iterator::new(0);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_two`
[INFO] [stdout]   --> src/fp/iterator.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let iter_two = like_arr.iter();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `co`
[INFO] [stdout]   --> src/life_time/mod.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn use_life_time<'a>(co: &'a str, de: &'a str) -> &'a str {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_co`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `de`
[INFO] [stdout]   --> src/life_time/mod.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn use_life_time<'a>(co: &'a str, de: &'a str) -> &'a str {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/oop/traiter.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn say(code: <Self as Run>::RunType) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/oop/traiter.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn say(code: <Self as Run>::RunType) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aaa`
[INFO] [stdout]   --> src/possession/mod.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let ref aaa = vec![12, 3];
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_aaa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]   --> src/possession/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let &res1 = b1;
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res2`
[INFO] [stdout]   --> src/possession/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let res2 = *b2;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_res2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_one`
[INFO] [stdout]   --> src/smart_point/boxer.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let list_one = Cons(1, Box::new(Cons(2, Box::new(Nil))));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cod`
[INFO] [stdout]  --> src/typer/generics.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn use_generics_first<T>(cod: T) {
[INFO] [stdout]   |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cod`
[INFO] [stdout]   --> src/typer/generics.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generice_contract<T: Foo + Fcc>(cod: T) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `craete_other_func` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | async fn craete_other_func() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_async_func` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | async fn create_async_func() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_book` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | async fn get_book() -> i32 {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_music` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn get_music() -> i32 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `future_method` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | async fn future_method() -> (i32, i32) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uu_test` is never used
[INFO] [stdout]   --> src/error/mod.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn uu_test() -> Option<()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/life_time/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Alife<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: &'a str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prod` is never used
[INFO] [stdout]  --> src/macroer/proceduralMacros.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn prod() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deri` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn deri() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lsxh` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn lsxh() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lhsh` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn lhsh() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IPNetWork` is never used
[INFO] [stdout]  --> src/matchter/enumer.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum IPNetWork {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `found_ip` is never used
[INFO] [stdout]   --> src/matchter/enumer.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl IPNetWork {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn found_ip(ip_str: &str) -> Option<IPNetWork> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NeedToMatch` is never used
[INFO] [stdout]  --> src/matchter/matcher.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum NeedToMatch {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SutOne` is never constructed
[INFO] [stdout]  --> src/oop/structer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct SutOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SutOne` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SutTuple` is never constructed
[INFO] [stdout]   --> src/oop/structer.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SutTuple(i32, i32); //注意元组struct要以;结尾
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StuNull` is never constructed
[INFO] [stdout]   --> src/oop/structer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct StuNull;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, `sex`, and `address` are never read
[INFO] [stdout]   --> src/oop/traiter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     sex: bool,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     address: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `PI` and `new` are never used
[INFO] [stdout]   --> src/oop/traiter.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 19 |     //impl中还可以存放const作为一个静态的变量;想要使用要使用 Struct::const  来使用
[INFO] [stdout] 20 |     const PI: f64 = 3.14159;
[INFO] [stdout]    |           ^^
[INFO] [stdout] 21 |     //还可以声明static
[INFO] [stdout] 22 |     fn new(name: String, age: i32, sex: bool, address: Option<String>) -> User {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `change_age` and `get_age` are never used
[INFO] [stdout]   --> src/oop/traiter.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl User {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn change_age(&mut self, age: i32) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_age(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vec` is never read
[INFO] [stdout]   --> src/smart_point/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct LikeString {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     vec: Vec<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/smart_point/boxer.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `listting` is never used
[INFO] [stdout]   --> src/smart_point/boxer.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn listting() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/smart_point/weeker.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Tree {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/smart_point/celler.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_address` is never used
[INFO] [stdout]   --> src/smart_point/celler.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 54 |     fn set_address(&self, ch: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `总结` is never constructed
[INFO] [stdout]    --> src/smart_point/celler.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct 总结 {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/smart_point/rcer.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]   --> src/typer/generics.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Foo {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fcc` is never used
[INFO] [stdout]   --> src/typer/generics.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Fcc {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generice_contract` is never used
[INFO] [stdout]   --> src/typer/generics.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generice_contract<T: Foo + Fcc>(cod: T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fdd` is never used
[INFO] [stdout]   --> src/typer/generics.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait Fdd {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fee` is never used
[INFO] [stdout]   --> src/typer/generics.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Fee {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_where_keyword` is never used
[INFO] [stdout]   --> src/typer/generics.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn use_where_keyword<T>()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultGenerics` is never constructed
[INFO] [stdout]   --> src/typer/generics.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DefaultGenerics<T = i32, R = String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> src/typer/generics.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Run` is never used
[INFO] [stdout]   --> src/typer/generics.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Run {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]   --> src/typer/generics.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn hello_world(a: &dyn Run) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]  --> src/fp/closures.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut A = 0;
[INFO] [stdout]   |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `declarativeMacros` should have a snake case name
[INFO] [stdout]   --> src/macroer/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod declarativeMacros;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `declarative_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `proceduralMacros` should have a snake case name
[INFO] [stdout]   --> src/macroer/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub mod proceduralMacros;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `procedural_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `sonB` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         pub mod sonB {
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to snake case: `son_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `sonC` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             pub mod sonC {
[INFO] [stdout]    |                     ^^^^ help: convert the identifier to snake case: `son_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sonC_say` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 pub fn sonC_say() {
[INFO] [stdout]    |                        ^^^^^^^^ help: convert the identifier to snake case: `son_c_say`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/error/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structure/vector.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut vec_three = vec![2; 10];
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structure/vector.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut mt = vec![
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `js` is never read
[INFO] [stdout]   --> src/variable/mod.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut js = "123".to_string();
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `y` is assigned to, but never used
[INFO] [stdout]   --> src/variable/mod.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut y: i32 = 2;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_y` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/variable/mod.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let z = y = x;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boc`
[INFO] [stdout]   --> src/error/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let boc = aoc.clone()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_boc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res_ok`
[INFO] [stdout]    --> src/error/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let res_ok: Result<i32, String> = Ok(1024);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_res_ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res_err`
[INFO] [stdout]    --> src/error/mod.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let res_err: Result<i32, String> = Err(String::from("错误"));
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/error/mod.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let a = File::open("a.txt")?;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_one`
[INFO] [stdout]   --> src/fp/iterator.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let iter_one = can_iterator::new(0);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_two`
[INFO] [stdout]   --> src/fp/iterator.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let iter_two = like_arr.iter();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `co`
[INFO] [stdout]   --> src/life_time/mod.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn use_life_time<'a>(co: &'a str, de: &'a str) -> &'a str {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_co`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `de`
[INFO] [stdout]   --> src/life_time/mod.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn use_life_time<'a>(co: &'a str, de: &'a str) -> &'a str {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ipo`
[INFO] [stdout]   --> src/matchter/enumer.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let ipo = IPNetWork::found_ip("v4");
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ipo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/matchter/matcher.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let res = match A {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `three`
[INFO] [stdout]   --> src/oop/structer.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let three = SutOne {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_three`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `four`
[INFO] [stdout]   --> src/oop/structer.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let four = SutTuple(0, 12);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_four`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/oop/traiter.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn say(code: <Self as Run>::RunType) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/oop/traiter.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn say(code: <Self as Run>::RunType) {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aaa`
[INFO] [stdout]   --> src/possession/mod.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let ref aaa = vec![12, 3];
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_aaa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]   --> src/possession/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let &res1 = b1;
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res2`
[INFO] [stdout]   --> src/possession/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let res2 = *b2;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_res2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_one`
[INFO] [stdout]   --> src/smart_point/boxer.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let list_one = Cons(1, Box::new(Cons(2, Box::new(Nil))));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc_list1`
[INFO] [stdout]   --> src/smart_point/rcer.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let rc_list1 = Cons(23, Rc::clone(&rc_list));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rc_list1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc_list2`
[INFO] [stdout]   --> src/smart_point/rcer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let rc_list2 = Cons(12, Rc::clone(&rc_list));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rc_list2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cod`
[INFO] [stdout]  --> src/typer/generics.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn use_generics_first<T>(cod: T) {
[INFO] [stdout]   |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cod`
[INFO] [stdout]   --> src/typer/generics.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generice_contract<T: Foo + Fcc>(cod: T) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `craete_other_func` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | async fn craete_other_func() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_async_func` is never used
[INFO] [stdout]   --> src/asyncer/feat.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | async fn create_async_func() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_structure/vector.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |         typp1(i32),
[INFO] [stdout]    |         ----- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 47 |         typp1(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_structure/vector.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |         typp2(String),
[INFO] [stdout]    |         ----- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 |         typp2(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_structure/vector.rs:49:15
[INFO] [stdout]    |
[INFO] [stdout] 49 |         typp3(i64),
[INFO] [stdout]    |         ----- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |         typp3(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uu_test` is never used
[INFO] [stdout]   --> src/error/mod.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn uu_test() -> Option<()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/life_time/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Alife<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 31 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     age: &'a str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prod` is never used
[INFO] [stdout]  --> src/macroer/proceduralMacros.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn prod() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deri` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn deri() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lsxh` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn lsxh() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lhsh` is never used
[INFO] [stdout]   --> src/macroer/proceduralMacros.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn lhsh() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FFI`, `CPU`, and `GPU` are never constructed
[INFO] [stdout]   --> src/matchter/matcher.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum NeedToMatch {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 7  |     NSD,
[INFO] [stdout] 8  |     FFI,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     CPU,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     GPU,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/matchter/matcher.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     struct wantmatch {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 69 |         name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `address` are never read
[INFO] [stdout]   --> src/oop/structer.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct SutOne {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SutOne` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/oop/structer.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SutTuple(i32, i32); //注意元组struct要以;结尾
[INFO] [stdout]    |        -------- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StuNull` is never constructed
[INFO] [stdout]   --> src/oop/structer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct StuNull;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `sex`, and `address` are never read
[INFO] [stdout]   --> src/oop/traiter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     age: i32,
[INFO] [stdout] 13 |     sex: bool,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     address: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vec` is never read
[INFO] [stdout]   --> src/smart_point/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct LikeString {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     vec: Vec<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/smart_point/boxer.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `listting` is never used
[INFO] [stdout]   --> src/smart_point/boxer.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn listting() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/smart_point/weeker.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Tree {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/smart_point/celler.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 49 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `总结` is never constructed
[INFO] [stdout]    --> src/smart_point/celler.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct 总结 {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/smart_point/rcer.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Cons(i32, Rc<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Cons((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]   --> src/typer/generics.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Foo {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fcc` is never used
[INFO] [stdout]   --> src/typer/generics.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Fcc {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generice_contract` is never used
[INFO] [stdout]   --> src/typer/generics.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generice_contract<T: Foo + Fcc>(cod: T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fdd` is never used
[INFO] [stdout]   --> src/typer/generics.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait Fdd {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fee` is never used
[INFO] [stdout]   --> src/typer/generics.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Fee {}
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_where_keyword` is never used
[INFO] [stdout]   --> src/typer/generics.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn use_where_keyword<T>()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultGenerics` is never constructed
[INFO] [stdout]   --> src/typer/generics.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DefaultGenerics<T = i32, R = String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]   --> src/typer/generics.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct A {
[INFO] [stdout]    |        - field in this struct
[INFO] [stdout] 37 |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Many` is never used
[INFO] [stdout]  --> src/typer/type_and_inference.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     type Many = (f32, i32);
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `More` is never used
[INFO] [stdout]   --> src/typer/type_and_inference.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     enum More {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Moreer` is never used
[INFO] [stdout]   --> src/typer/type_and_inference.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type Moreer = More;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Boxer` is never used
[INFO] [stdout]   --> src/typer/type_and_inference.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Boxer = Box<dyn Fn() + Send + 'static>;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]  --> src/fp/closures.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut A = 0;
[INFO] [stdout]   |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/fp/closures.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut A = 0;
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/fp/closures.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut B = 0;
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/fp/closures.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let C = 0;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `declarativeMacros` should have a snake case name
[INFO] [stdout]   --> src/macroer/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod declarativeMacros;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `declarative_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `proceduralMacros` should have a snake case name
[INFO] [stdout]   --> src/macroer/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub mod proceduralMacros;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `procedural_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/matchter/matcher.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let A = NeedToMatch::NSD;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_newtypeI` should have a snake case name
[INFO] [stdout]    --> src/oop/traiter.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn use_newtypeI() {
[INFO] [stdout]     |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `use_newtype_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `sonB` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         pub mod sonB {
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to snake case: `son_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `sonC` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             pub mod sonC {
[INFO] [stdout]    |                     ^^^^ help: convert the identifier to snake case: `son_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sonC_say` should have a snake case name
[INFO] [stdout]   --> src/pack/mod.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 pub fn sonC_say() {
[INFO] [stdout]    |                        ^^^^^^^^ help: convert the identifier to snake case: `son_c_say`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 86 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "6e931c13259a10406c667079e70e72d411a0f7b518413daa79bd5887ee8e4cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e931c13259a10406c667079e70e72d411a0f7b518413daa79bd5887ee8e4cb5", kill_on_drop: false }`
[INFO] [stdout] 6e931c13259a10406c667079e70e72d411a0f7b518413daa79bd5887ee8e4cb5