[INFO] updating cached repository zjw1918/proj-rust-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zjw1918/proj-rust-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zjw1918/proj-rust-minigrep" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/zjw1918/proj-rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/zjw1918/proj-rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zjw1918/proj-rust-minigrep" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/zjw1918/proj-rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/zjw1918/proj-rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ad2a364a3256c6471462240e64386e5be91aeb0
[INFO] sha for GitHub repo zjw1918/proj-rust-minigrep: 2ad2a364a3256c6471462240e64386e5be91aeb0
[INFO] validating manifest of zjw1918/proj-rust-minigrep on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zjw1918/proj-rust-minigrep on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zjw1918/proj-rust-minigrep
[INFO] finished frobbing zjw1918/proj-rust-minigrep
[INFO] frobbed toml for zjw1918/proj-rust-minigrep written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/zjw1918/proj-rust-minigrep/Cargo.toml
[INFO] started frobbing zjw1918/proj-rust-minigrep
[INFO] finished frobbing zjw1918/proj-rust-minigrep
[INFO] frobbed toml for zjw1918/proj-rust-minigrep written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/zjw1918/proj-rust-minigrep/Cargo.toml
[INFO] crate zjw1918/proj-rust-minigrep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zjw1918/proj-rust-minigrep against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-0/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/zjw1918/proj-rust-minigrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06e594a025bb7dde4732d410de0f05da34321eb53a85bcf6a710456ce66a2780
[INFO] running `"docker" "start" "-a" "06e594a025bb7dde4732d410de0f05da34321eb53a85bcf6a710456ce66a2780"`
[INFO] [stderr]    Compiling version_check v0.1.4
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[INFO] [stderr]    Compiling crc v1.8.1
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[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
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[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         /// 重要! for 给出work的引用（可变引用）
[INFO] [stderr] 168 | |         /// 但是join需要所有权，不能编译。得想办法把获thread移动出拥有其所有权的worker
[INFO] [stderr] 169 | |         /// eg. if let Some(thread) = worker.thread.take()
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 170 | /         for worker in &mut self.workers {
[INFO] [stderr] 171 | |             println!("Shutting down worker {}", worker.id);
[INFO] [stderr] 172 | |             if let Some(thread) = worker.thread.take() {
[INFO] [stderr] 173 | |                 thread.join().unwrap();
[INFO] [stderr] 174 | |             }
[INFO] [stderr] 175 | |         }
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         /// 重要! for 给出work的引用（可变引用）
[INFO] [stderr] 168 | |         /// 但是join需要所有权，不能编译。得想办法把获thread移动出拥有其所有权的worker
[INFO] [stderr] 169 | |         /// eg. if let Some(thread) = worker.thread.take()
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 170 | /         for worker in &mut self.workers {
[INFO] [stderr] 171 | |             println!("Shutting down worker {}", worker.id);
[INFO] [stderr] 172 | |             if let Some(thread) = worker.thread.take() {
[INFO] [stderr] 173 | |                 thread.join().unwrap();
[INFO] [stderr] 174 | |             }
[INFO] [stderr] 175 | |         }
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cons`, `Nil`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use self::List::{ Cons, Nil };
[INFO] [stderr]   |                   ^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ConsRc`, `NilRc`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::ListRc::{ ConsRc, NilRc };
[INFO] [stderr]   |                     ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mpsc`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{mpsc, Mutex, Arc};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/http_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/http_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cons`, `Nil`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use self::List::{ Cons, Nil };
[INFO] [stderr]   |                   ^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ConsRc`, `NilRc`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::ListRc::{ ConsRc, NilRc };
[INFO] [stderr]   |                     ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mpsc`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{mpsc, Mutex, Arc};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/http_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/http_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/closure.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulated_expensive_calculation`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn simulated_expensive_calculation(intensity: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_workout`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cacher`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct Cacher<T> where T: Fn(u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn new(calculation: T) -> Cacher<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn value(&mut self, arg: u32) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Counter`
[INFO] [stderr]    --> src/zjw_learn/closure.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | struct Counter {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/zjw_learn/closure.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn new() -> Counter {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | enum List {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ListRc`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | enum ListRc {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ListRf`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | enum ListRf {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyBox`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | struct MyBox<T>(T);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn new(x: T) -> MyBox<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CustomSmartPointer`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | struct CustomSmartPointer {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LimitTracker`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:154:1
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub struct LimitTracker<'a, T: 'a + Messenger> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn set_value(&mut self, value: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List1`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | enum List1 {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn tail(&self) -> Option<&RefCell<Rc<List1>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | struct Node {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `abs`
[INFO] [stderr]  --> src/zjw_learn/my_unsafe.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   fn abs(input: i32) -> i32;
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `danger`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | unsafe fn danger() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_at_mut`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct Context<'s>(&'s str);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Parser<'a, 's: 'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   fn parse(&self) -> Result<(), &'s str> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_parse`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn test_parse(context: Context) -> Result<(), &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/zjw_learn/server.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_connection`
[INFO] [stderr]   --> src/zjw_learn/server.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_closure`
[INFO] [stderr]  --> src/zjw_learn/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn run_learn_closure() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_smart_pointer`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn run_learn_smart_pointer() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_concurrent`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn run_learn_concurrent() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_unsafe`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn run_learn_unsafe() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_server`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn run_learn_server() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_minigrep`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn learn_minigrep() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]   --> src/zjw_learn/smart_pointer.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         branch; // 强制使branch过期
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(path_statements)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `objectId` should have a snake case name
[INFO] [stderr]   --> src/http_test.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     objectId: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `object_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ringData` should have a snake case name
[INFO] [stderr]   --> src/http_test.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ringData: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `ring_data`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/closure.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulated_expensive_calculation`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn simulated_expensive_calculation(intensity: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_workout`
[INFO] [stderr]   --> src/zjw_learn/closure.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Counter`
[INFO] [stderr]    --> src/zjw_learn/closure.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | struct Counter {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/zjw_learn/closure.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn new() -> Counter {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/smart_pointer.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | enum List {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ListRc`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | enum ListRc {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ListRf`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | enum ListRf {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyBox`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | struct MyBox<T>(T);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn new(x: T) -> MyBox<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CustomSmartPointer`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | struct CustomSmartPointer {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List1`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | enum List1 {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn tail(&self) -> Option<&RefCell<Rc<List1>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | struct Node {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/zjw_learn/concurrent.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `abs`
[INFO] [stderr]  --> src/zjw_learn/my_unsafe.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   fn abs(input: i32) -> i32;
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `danger`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | unsafe fn danger() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_at_mut`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct Context<'s>(&'s str);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Parser<'a, 's: 'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   fn parse(&self) -> Result<(), &'s str> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_parse`
[INFO] [stderr]   --> src/zjw_learn/my_unsafe.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn test_parse(context: Context) -> Result<(), &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/zjw_learn/server.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_connection`
[INFO] [stderr]   --> src/zjw_learn/server.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_closure`
[INFO] [stderr]  --> src/zjw_learn/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn run_learn_closure() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_smart_pointer`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn run_learn_smart_pointer() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_concurrent`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn run_learn_concurrent() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_unsafe`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn run_learn_unsafe() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_learn_server`
[INFO] [stderr]   --> src/zjw_learn/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn run_learn_server() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learn_minigrep`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn learn_minigrep() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]   --> src/zjw_learn/smart_pointer.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         branch; // 强制使branch过期
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(path_statements)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `limitTracker` should have a snake case name
[INFO] [stderr]    --> src/zjw_learn/smart_pointer.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut limitTracker = LimitTracker::new(&mock_messenger, 100);
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `limit_tracker`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `objectId` should have a snake case name
[INFO] [stderr]   --> src/http_test.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     objectId: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `object_id`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ringData` should have a snake case name
[INFO] [stderr]   --> src/http_test.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ringData: String,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `ring_data`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.11s
[INFO] running `"docker" "inspect" "06e594a025bb7dde4732d410de0f05da34321eb53a85bcf6a710456ce66a2780"`
[INFO] running `"docker" "rm" "-f" "06e594a025bb7dde4732d410de0f05da34321eb53a85bcf6a710456ce66a2780"`
[INFO] [stdout] 06e594a025bb7dde4732d410de0f05da34321eb53a85bcf6a710456ce66a2780