Dec 17 10:53:14.953 INFO checking zjw1918/proj-rust-minigrep against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 10:53:14.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/zjw1918/proj-rust-minigrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 10:53:15.416 INFO [stdout] 0f258bc68da4c283d90ff9e0711de1314980dbc4abd023ff8572f42352880326
Dec 17 10:53:15.420 INFO running `"docker" "start" "-a" "0f258bc68da4c283d90ff9e0711de1314980dbc4abd023ff8572f42352880326"`
Dec 17 10:53:17.908 INFO [stderr]    Compiling version_check v0.1.4
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Dec 17 10:53:17.908 INFO [stderr]     Checking stable_deref_trait v1.1.1
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Dec 17 10:53:18.566 INFO [stderr]    Compiling cc v1.0.22
Dec 17 10:53:18.658 INFO [stderr]     Checking rand_core v0.2.1
Dec 17 10:53:18.666 INFO [stderr]    Compiling pkg-config v0.3.13
Dec 17 10:53:18.706 INFO [stderr]     Checking lazycell v0.6.0
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Dec 17 10:53:19.406 INFO [stderr]     Checking slab v0.4.1
Dec 17 10:53:20.940 INFO [stderr]    Compiling siphasher v0.2.3
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Dec 17 10:53:23.814 INFO [stderr]     Checking bitflags v0.9.1
Dec 17 10:53:24.369 INFO [stderr]    Compiling build_const v0.2.1
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Dec 17 10:53:25.976 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 17 10:53:27.062 INFO [stderr]    Compiling unicode-xid v0.1.0
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Dec 17 10:53:31.702 INFO [stderr]    Compiling serde v1.0.75
Dec 17 10:53:31.816 INFO [stderr]    Compiling ryu v0.2.6
Dec 17 10:53:31.976 INFO [stderr]     Checking lazy_static v0.2.11
Dec 17 10:53:32.240 INFO [stderr]     Checking scoped-tls v0.1.2
Dec 17 10:53:33.679 INFO [stderr]     Checking percent-encoding v1.0.1
Dec 17 10:53:33.915 INFO [stderr]     Checking dtoa v0.4.3
Dec 17 10:53:33.918 INFO [stderr]     Checking adler32 v1.0.3
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Dec 17 10:53:34.668 INFO [stderr]     Checking time v0.1.40
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Dec 17 10:53:35.588 INFO [stderr]     Checking owning_ref v0.3.3
Dec 17 10:53:36.076 INFO [stderr]     Checking arrayvec v0.4.7
Dec 17 10:53:36.363 INFO [stderr]     Checking rand v0.5.5
Dec 17 10:53:36.642 INFO [stderr]     Checking foreign-types v0.3.2
Dec 17 10:53:36.794 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 17 10:53:36.808 INFO [stderr]    Compiling unicase v1.4.2
Dec 17 10:53:37.226 INFO [stderr]    Compiling unicase v2.1.0
Dec 17 10:53:38.258 INFO [stderr]     Checking unicode-bidi v0.3.4
Dec 17 10:53:38.670 INFO [stderr]    Compiling crc v1.8.1
Dec 17 10:53:39.217 INFO [stderr]     Checking base64 v0.9.2
Dec 17 10:53:40.516 INFO [stderr]    Compiling openssl-sys v0.9.35
Dec 17 10:53:41.160 INFO [stderr]     Checking smallvec v0.6.5
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Dec 17 10:53:58.477 INFO [stderr]     Checking crossbeam-epoch v0.5.2
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Dec 17 10:54:00.251 INFO [stderr]     Checking libflate v0.1.16
Dec 17 10:54:00.380 INFO [stderr]     Checking tokio-reactor v0.1.4
Dec 17 10:54:00.868 INFO [stderr]     Checking phf v0.7.23
Dec 17 10:54:01.828 INFO [stderr]    Compiling syn v0.14.9
Dec 17 10:54:02.486 INFO [stderr]    Compiling phf_generator v0.7.23
Dec 17 10:54:03.642 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 17 10:54:03.876 INFO [stderr]     Checking mime v0.3.9
Dec 17 10:54:04.066 INFO [stderr]    Compiling phf_codegen v0.7.23
Dec 17 10:54:05.725 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 17 10:54:05.785 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 17 10:54:06.774 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 17 10:54:07.697 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 17 10:54:08.230 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.6
Dec 17 10:54:14.471 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 17 10:54:16.740 INFO [stderr]     Checking tokio v0.1.8
Dec 17 10:54:17.234 INFO [stderr]     Checking native-tls v0.1.5
Dec 17 10:54:19.184 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 10:54:24.097 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 17 10:54:24.098 INFO [stderr]     Checking hyper v0.11.27
Dec 17 10:54:29.514 INFO [stderr]    Compiling serde_derive v1.0.75
Dec 17 10:54:36.230 INFO [stderr]     Checking serde_json v1.0.26
Dec 17 10:54:40.122 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 17 10:55:01.697 INFO [stderr]     Checking idna v0.1.5
Dec 17 10:55:03.089 INFO [stderr]     Checking url v1.7.1
Dec 17 10:55:04.573 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 17 10:55:05.350 INFO [stderr]     Checking reqwest v0.8.8
Dec 17 10:55:06.449 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 17 10:55:06.600 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 10:55:06.601 INFO [stderr]    --> src/lib.rs:167:9
Dec 17 10:55:06.601 INFO [stderr]     |
Dec 17 10:55:06.601 INFO [stderr] 167 |         /// 重要! for 给出work的引用（可变引用）
Dec 17 10:55:06.601 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:06.601 INFO [stderr]     |
Dec 17 10:55:06.601 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 17 10:55:06.601 INFO [stderr] 
Dec 17 10:55:06.665 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 10:55:06.665 INFO [stderr]    --> src/lib.rs:167:9
Dec 17 10:55:06.665 INFO [stderr]     |
Dec 17 10:55:06.665 INFO [stderr] 167 |         /// 重要! for 给出work的引用（可变引用）
Dec 17 10:55:06.665 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:06.665 INFO [stderr]     |
Dec 17 10:55:06.665 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 17 10:55:06.665 INFO [stderr] 
Dec 17 10:55:07.344 INFO [stderr] warning: unused imports: `Cons`, `Nil`
Dec 17 10:55:07.345 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:1:19
Dec 17 10:55:07.345 INFO [stderr]   |
Dec 17 10:55:07.345 INFO [stderr] 1 | use self::List::{ Cons, Nil };
Dec 17 10:55:07.345 INFO [stderr]   |                   ^^^^  ^^^
Dec 17 10:55:07.346 INFO [stderr]   |
Dec 17 10:55:07.346 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:55:07.346 INFO [stderr] 
Dec 17 10:55:07.346 INFO [stderr] warning: unused imports: `ConsRc`, `NilRc`
Dec 17 10:55:07.347 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:2:21
Dec 17 10:55:07.347 INFO [stderr]   |
Dec 17 10:55:07.347 INFO [stderr] 2 | use self::ListRc::{ ConsRc, NilRc };
Dec 17 10:55:07.347 INFO [stderr]   |                     ^^^^^^  ^^^^^
Dec 17 10:55:07.348 INFO [stderr] 
Dec 17 10:55:07.348 INFO [stderr] warning: unused import: `mpsc`
Dec 17 10:55:07.348 INFO [stderr]  --> src/zjw_learn/concurrent.rs:2:17
Dec 17 10:55:07.348 INFO [stderr]   |
Dec 17 10:55:07.349 INFO [stderr] 2 | use std::sync::{mpsc, Mutex, Arc};
Dec 17 10:55:07.349 INFO [stderr]   |                 ^^^^
Dec 17 10:55:07.349 INFO [stderr] 
Dec 17 10:55:07.349 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 10:55:07.350 INFO [stderr]  --> src/zjw_learn/concurrent.rs:3:5
Dec 17 10:55:07.350 INFO [stderr]   |
Dec 17 10:55:07.350 INFO [stderr] 3 | use std::time::Duration;
Dec 17 10:55:07.350 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:07.350 INFO [stderr] 
Dec 17 10:55:07.350 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 10:55:07.350 INFO [stderr]  --> src/http_test.rs:3:5
Dec 17 10:55:07.350 INFO [stderr]   |
Dec 17 10:55:07.350 INFO [stderr] 3 | use std::error::Error;
Dec 17 10:55:07.350 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 10:55:07.351 INFO [stderr] 
Dec 17 10:55:07.351 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 10:55:07.351 INFO [stderr]  --> src/http_test.rs:4:5
Dec 17 10:55:07.351 INFO [stderr]   |
Dec 17 10:55:07.351 INFO [stderr] 4 | use std::io::Read;
Dec 17 10:55:07.351 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 10:55:07.351 INFO [stderr] 
Dec 17 10:55:07.376 INFO [stderr] warning: unused imports: `Cons`, `Nil`
Dec 17 10:55:07.376 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:1:19
Dec 17 10:55:07.377 INFO [stderr]   |
Dec 17 10:55:07.377 INFO [stderr] 1 | use self::List::{ Cons, Nil };
Dec 17 10:55:07.377 INFO [stderr]   |                   ^^^^  ^^^
Dec 17 10:55:07.377 INFO [stderr]   |
Dec 17 10:55:07.378 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:55:07.378 INFO [stderr] 
Dec 17 10:55:07.378 INFO [stderr] warning: unused imports: `ConsRc`, `NilRc`
Dec 17 10:55:07.378 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:2:21
Dec 17 10:55:07.378 INFO [stderr]   |
Dec 17 10:55:07.379 INFO [stderr] 2 | use self::ListRc::{ ConsRc, NilRc };
Dec 17 10:55:07.379 INFO [stderr]   |                     ^^^^^^  ^^^^^
Dec 17 10:55:07.379 INFO [stderr] 
Dec 17 10:55:07.379 INFO [stderr] warning: unused import: `mpsc`
Dec 17 10:55:07.379 INFO [stderr]  --> src/zjw_learn/concurrent.rs:2:17
Dec 17 10:55:07.380 INFO [stderr]   |
Dec 17 10:55:07.380 INFO [stderr] 2 | use std::sync::{mpsc, Mutex, Arc};
Dec 17 10:55:07.380 INFO [stderr]   |                 ^^^^
Dec 17 10:55:07.380 INFO [stderr] 
Dec 17 10:55:07.380 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 10:55:07.380 INFO [stderr]  --> src/zjw_learn/concurrent.rs:3:5
Dec 17 10:55:07.380 INFO [stderr]   |
Dec 17 10:55:07.380 INFO [stderr] 3 | use std::time::Duration;
Dec 17 10:55:07.380 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:07.380 INFO [stderr] 
Dec 17 10:55:07.380 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 10:55:07.380 INFO [stderr]  --> src/http_test.rs:3:5
Dec 17 10:55:07.381 INFO [stderr]   |
Dec 17 10:55:07.381 INFO [stderr] 3 | use std::error::Error;
Dec 17 10:55:07.381 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 10:55:07.381 INFO [stderr] 
Dec 17 10:55:07.381 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 10:55:07.381 INFO [stderr]  --> src/http_test.rs:4:5
Dec 17 10:55:07.381 INFO [stderr]   |
Dec 17 10:55:07.381 INFO [stderr] 4 | use std::io::Read;
Dec 17 10:55:07.381 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 10:55:07.381 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.008 INFO [stderr]  --> src/zjw_learn/closure.rs:5:1
Dec 17 10:55:08.008 INFO [stderr]   |
Dec 17 10:55:08.008 INFO [stderr] 5 | pub fn run() {
Dec 17 10:55:08.008 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr]   |
Dec 17 10:55:08.008 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: function is never used: `simulated_expensive_calculation`
Dec 17 10:55:08.008 INFO [stderr]   --> src/zjw_learn/closure.rs:29:1
Dec 17 10:55:08.008 INFO [stderr]    |
Dec 17 10:55:08.008 INFO [stderr] 29 | pub fn simulated_expensive_calculation(intensity: u32) -> u32 {
Dec 17 10:55:08.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: function is never used: `generate_workout`
Dec 17 10:55:08.008 INFO [stderr]   --> src/zjw_learn/closure.rs:35:1
Dec 17 10:55:08.008 INFO [stderr]    |
Dec 17 10:55:08.008 INFO [stderr] 35 | pub fn generate_workout(intensity: u32, random_number: u32) {
Dec 17 10:55:08.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: struct is never constructed: `Cacher`
Dec 17 10:55:08.008 INFO [stderr]   --> src/zjw_learn/closure.rs:75:1
Dec 17 10:55:08.008 INFO [stderr]    |
Dec 17 10:55:08.008 INFO [stderr] 75 | struct Cacher<T> where T: Fn(u32) -> u32 {
Dec 17 10:55:08.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.008 INFO [stderr]   --> src/zjw_learn/closure.rs:81:5
Dec 17 10:55:08.008 INFO [stderr]    |
Dec 17 10:55:08.008 INFO [stderr] 81 |     fn new(calculation: T) -> Cacher<T> {
Dec 17 10:55:08.008 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: method is never used: `value`
Dec 17 10:55:08.008 INFO [stderr]   --> src/zjw_learn/closure.rs:85:5
Dec 17 10:55:08.008 INFO [stderr]    |
Dec 17 10:55:08.008 INFO [stderr] 85 |     fn value(&mut self, arg: u32) -> u32 {
Dec 17 10:55:08.008 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: struct is never constructed: `Counter`
Dec 17 10:55:08.008 INFO [stderr]    --> src/zjw_learn/closure.rs:150:1
Dec 17 10:55:08.008 INFO [stderr]     |
Dec 17 10:55:08.008 INFO [stderr] 150 | struct Counter {
Dec 17 10:55:08.008 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 10:55:08.008 INFO [stderr] 
Dec 17 10:55:08.008 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.009 INFO [stderr]    --> src/zjw_learn/closure.rs:155:5
Dec 17 10:55:08.009 INFO [stderr]     |
Dec 17 10:55:08.009 INFO [stderr] 155 |     fn new() -> Counter {
Dec 17 10:55:08.009 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.009 INFO [stderr] 
Dec 17 10:55:08.009 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.009 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:9:1
Dec 17 10:55:08.009 INFO [stderr]   |
Dec 17 10:55:08.009 INFO [stderr] 9 | pub fn run() {
Dec 17 10:55:08.009 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.009 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: enum is never used: `List`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:102:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 102 | enum List {
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: enum is never used: `ListRc`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:109:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 109 | enum ListRc {
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: enum is never used: `ListRf`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:116:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 116 | enum ListRf {
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: struct is never constructed: `MyBox`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:122:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 122 | struct MyBox<T>(T);
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:125:5
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 125 |     fn new(x: T) -> MyBox<T> {
Dec 17 10:55:08.016 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: struct is never constructed: `CustomSmartPointer`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:139:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 139 | struct CustomSmartPointer {
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: struct is never constructed: `LimitTracker`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:154:1
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 154 | pub struct LimitTracker<'a, T: 'a + Messenger> {
Dec 17 10:55:08.016 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.016 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.016 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:161:5
Dec 17 10:55:08.016 INFO [stderr]     |
Dec 17 10:55:08.016 INFO [stderr] 161 |     pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
Dec 17 10:55:08.016 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.016 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: method is never used: `set_value`
Dec 17 10:55:08.017 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:167:5
Dec 17 10:55:08.017 INFO [stderr]     |
Dec 17 10:55:08.017 INFO [stderr] 167 |     pub fn set_value(&mut self, value: usize) {
Dec 17 10:55:08.017 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: enum is never used: `List1`
Dec 17 10:55:08.017 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:217:1
Dec 17 10:55:08.017 INFO [stderr]     |
Dec 17 10:55:08.017 INFO [stderr] 217 | enum List1 {
Dec 17 10:55:08.017 INFO [stderr]     | ^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: method is never used: `tail`
Dec 17 10:55:08.017 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:223:5
Dec 17 10:55:08.017 INFO [stderr]     |
Dec 17 10:55:08.017 INFO [stderr] 223 |     fn tail(&self) -> Option<&RefCell<Rc<List1>>> {
Dec 17 10:55:08.017 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: struct is never constructed: `Node`
Dec 17 10:55:08.017 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:233:1
Dec 17 10:55:08.017 INFO [stderr]     |
Dec 17 10:55:08.017 INFO [stderr] 233 | struct Node {
Dec 17 10:55:08.017 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.017 INFO [stderr]  --> src/zjw_learn/concurrent.rs:5:1
Dec 17 10:55:08.017 INFO [stderr]   |
Dec 17 10:55:08.017 INFO [stderr] 5 | pub fn run() {
Dec 17 10:55:08.017 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: foreign function is never used: `abs`
Dec 17 10:55:08.017 INFO [stderr]  --> src/zjw_learn/my_unsafe.rs:2:3
Dec 17 10:55:08.017 INFO [stderr]   |
Dec 17 10:55:08.017 INFO [stderr] 2 |   fn abs(input: i32) -> i32;
Dec 17 10:55:08.017 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:14:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 14 | pub fn run() {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `danger`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:41:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 41 | unsafe fn danger() {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `split_at_mut`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:53:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 53 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: struct is never constructed: `Context`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:64:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 64 | struct Context<'s>(&'s str);
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:65:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 65 | struct Parser<'a, 's: 'a> {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: method is never used: `parse`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:69:3
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 69 |   fn parse(&self) -> Result<(), &'s str> {
Dec 17 10:55:08.017 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `test_parse`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:74:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 74 | fn test_parse(context: Context) -> Result<(), &str> {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/server.rs:12:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 12 | pub fn run() {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `handle_connection`
Dec 17 10:55:08.017 INFO [stderr]   --> src/zjw_learn/server.rs:26:1
Dec 17 10:55:08.017 INFO [stderr]    |
Dec 17 10:55:08.017 INFO [stderr] 26 | fn handle_connection(mut stream: TcpStream) {
Dec 17 10:55:08.017 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.017 INFO [stderr] 
Dec 17 10:55:08.017 INFO [stderr] warning: function is never used: `run_learn_closure`
Dec 17 10:55:08.018 INFO [stderr]  --> src/zjw_learn/mod.rs:7:1
Dec 17 10:55:08.018 INFO [stderr]   |
Dec 17 10:55:08.018 INFO [stderr] 7 | pub fn run_learn_closure() {
Dec 17 10:55:08.018 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: function is never used: `run_learn_smart_pointer`
Dec 17 10:55:08.018 INFO [stderr]   --> src/zjw_learn/mod.rs:11:1
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 11 | pub fn run_learn_smart_pointer() {
Dec 17 10:55:08.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: function is never used: `run_learn_concurrent`
Dec 17 10:55:08.018 INFO [stderr]   --> src/zjw_learn/mod.rs:15:1
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 15 | pub fn run_learn_concurrent() {
Dec 17 10:55:08.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: function is never used: `run_learn_unsafe`
Dec 17 10:55:08.018 INFO [stderr]   --> src/zjw_learn/mod.rs:19:1
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 19 | pub fn run_learn_unsafe() {
Dec 17 10:55:08.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: function is never used: `run_learn_server`
Dec 17 10:55:08.018 INFO [stderr]   --> src/zjw_learn/mod.rs:23:1
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 23 | pub fn run_learn_server() {
Dec 17 10:55:08.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: function is never used: `learn_minigrep`
Dec 17 10:55:08.018 INFO [stderr]   --> src/main.rs:25:1
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 25 | fn learn_minigrep() {
Dec 17 10:55:08.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: path statement with no effect
Dec 17 10:55:08.018 INFO [stderr]   --> src/zjw_learn/smart_pointer.rs:89:9
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 89 |         branch; // 强制使branch过期
Dec 17 10:55:08.018 INFO [stderr]    |         ^^^^^^^
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr]    = note: #[warn(path_statements)] on by default
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: structure field `objectId` should have a snake case name such as `object_id`
Dec 17 10:55:08.018 INFO [stderr]   --> src/http_test.rs:12:5
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 12 |     objectId: String,
Dec 17 10:55:08.018 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.018 INFO [stderr] warning: structure field `ringData` should have a snake case name such as `ring_data`
Dec 17 10:55:08.018 INFO [stderr]   --> src/http_test.rs:13:5
Dec 17 10:55:08.018 INFO [stderr]    |
Dec 17 10:55:08.018 INFO [stderr] 13 |     ringData: String,
Dec 17 10:55:08.018 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 10:55:08.018 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.029 INFO [stderr]  --> src/zjw_learn/closure.rs:5:1
Dec 17 10:55:08.029 INFO [stderr]   |
Dec 17 10:55:08.029 INFO [stderr] 5 | pub fn run() {
Dec 17 10:55:08.029 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr]   |
Dec 17 10:55:08.029 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: function is never used: `simulated_expensive_calculation`
Dec 17 10:55:08.029 INFO [stderr]   --> src/zjw_learn/closure.rs:29:1
Dec 17 10:55:08.029 INFO [stderr]    |
Dec 17 10:55:08.029 INFO [stderr] 29 | pub fn simulated_expensive_calculation(intensity: u32) -> u32 {
Dec 17 10:55:08.029 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: function is never used: `generate_workout`
Dec 17 10:55:08.029 INFO [stderr]   --> src/zjw_learn/closure.rs:35:1
Dec 17 10:55:08.029 INFO [stderr]    |
Dec 17 10:55:08.029 INFO [stderr] 35 | pub fn generate_workout(intensity: u32, random_number: u32) {
Dec 17 10:55:08.029 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: struct is never constructed: `Counter`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/closure.rs:150:1
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 150 | struct Counter {
Dec 17 10:55:08.029 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/closure.rs:155:5
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 155 |     fn new() -> Counter {
Dec 17 10:55:08.029 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.029 INFO [stderr]  --> src/zjw_learn/smart_pointer.rs:9:1
Dec 17 10:55:08.029 INFO [stderr]   |
Dec 17 10:55:08.029 INFO [stderr] 9 | pub fn run() {
Dec 17 10:55:08.029 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: enum is never used: `List`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:102:1
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 102 | enum List {
Dec 17 10:55:08.029 INFO [stderr]     | ^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: enum is never used: `ListRc`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:109:1
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 109 | enum ListRc {
Dec 17 10:55:08.029 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: enum is never used: `ListRf`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:116:1
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 116 | enum ListRf {
Dec 17 10:55:08.029 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: struct is never constructed: `MyBox`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:122:1
Dec 17 10:55:08.029 INFO [stderr]     |
Dec 17 10:55:08.029 INFO [stderr] 122 | struct MyBox<T>(T);
Dec 17 10:55:08.029 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.029 INFO [stderr] 
Dec 17 10:55:08.029 INFO [stderr] warning: method is never used: `new`
Dec 17 10:55:08.029 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:125:5
Dec 17 10:55:08.030 INFO [stderr]     |
Dec 17 10:55:08.030 INFO [stderr] 125 |     fn new(x: T) -> MyBox<T> {
Dec 17 10:55:08.030 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: struct is never constructed: `CustomSmartPointer`
Dec 17 10:55:08.030 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:139:1
Dec 17 10:55:08.030 INFO [stderr]     |
Dec 17 10:55:08.030 INFO [stderr] 139 | struct CustomSmartPointer {
Dec 17 10:55:08.030 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: enum is never used: `List1`
Dec 17 10:55:08.030 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:217:1
Dec 17 10:55:08.030 INFO [stderr]     |
Dec 17 10:55:08.030 INFO [stderr] 217 | enum List1 {
Dec 17 10:55:08.030 INFO [stderr]     | ^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: method is never used: `tail`
Dec 17 10:55:08.030 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:223:5
Dec 17 10:55:08.030 INFO [stderr]     |
Dec 17 10:55:08.030 INFO [stderr] 223 |     fn tail(&self) -> Option<&RefCell<Rc<List1>>> {
Dec 17 10:55:08.030 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: struct is never constructed: `Node`
Dec 17 10:55:08.030 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:233:1
Dec 17 10:55:08.030 INFO [stderr]     |
Dec 17 10:55:08.030 INFO [stderr] 233 | struct Node {
Dec 17 10:55:08.030 INFO [stderr]     | ^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.030 INFO [stderr]  --> src/zjw_learn/concurrent.rs:5:1
Dec 17 10:55:08.030 INFO [stderr]   |
Dec 17 10:55:08.030 INFO [stderr] 5 | pub fn run() {
Dec 17 10:55:08.030 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: foreign function is never used: `abs`
Dec 17 10:55:08.030 INFO [stderr]  --> src/zjw_learn/my_unsafe.rs:2:3
Dec 17 10:55:08.030 INFO [stderr]   |
Dec 17 10:55:08.030 INFO [stderr] 2 |   fn abs(input: i32) -> i32;
Dec 17 10:55:08.030 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:14:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 14 | pub fn run() {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `danger`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:41:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 41 | unsafe fn danger() {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `split_at_mut`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:53:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 53 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: struct is never constructed: `Context`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:64:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 64 | struct Context<'s>(&'s str);
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:65:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 65 | struct Parser<'a, 's: 'a> {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: method is never used: `parse`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:69:3
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 69 |   fn parse(&self) -> Result<(), &'s str> {
Dec 17 10:55:08.030 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `test_parse`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/my_unsafe.rs:74:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 74 | fn test_parse(context: Context) -> Result<(), &str> {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `run`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/server.rs:12:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 12 | pub fn run() {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.030 INFO [stderr] warning: function is never used: `handle_connection`
Dec 17 10:55:08.030 INFO [stderr]   --> src/zjw_learn/server.rs:26:1
Dec 17 10:55:08.030 INFO [stderr]    |
Dec 17 10:55:08.030 INFO [stderr] 26 | fn handle_connection(mut stream: TcpStream) {
Dec 17 10:55:08.030 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.030 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `run_learn_closure`
Dec 17 10:55:08.031 INFO [stderr]  --> src/zjw_learn/mod.rs:7:1
Dec 17 10:55:08.031 INFO [stderr]   |
Dec 17 10:55:08.031 INFO [stderr] 7 | pub fn run_learn_closure() {
Dec 17 10:55:08.031 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `run_learn_smart_pointer`
Dec 17 10:55:08.031 INFO [stderr]   --> src/zjw_learn/mod.rs:11:1
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 11 | pub fn run_learn_smart_pointer() {
Dec 17 10:55:08.031 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `run_learn_concurrent`
Dec 17 10:55:08.031 INFO [stderr]   --> src/zjw_learn/mod.rs:15:1
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 15 | pub fn run_learn_concurrent() {
Dec 17 10:55:08.031 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `run_learn_unsafe`
Dec 17 10:55:08.031 INFO [stderr]   --> src/zjw_learn/mod.rs:19:1
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 19 | pub fn run_learn_unsafe() {
Dec 17 10:55:08.031 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `run_learn_server`
Dec 17 10:55:08.031 INFO [stderr]   --> src/zjw_learn/mod.rs:23:1
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 23 | pub fn run_learn_server() {
Dec 17 10:55:08.031 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: function is never used: `learn_minigrep`
Dec 17 10:55:08.031 INFO [stderr]   --> src/main.rs:25:1
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 25 | fn learn_minigrep() {
Dec 17 10:55:08.031 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: path statement with no effect
Dec 17 10:55:08.031 INFO [stderr]   --> src/zjw_learn/smart_pointer.rs:89:9
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 89 |         branch; // 强制使branch过期
Dec 17 10:55:08.031 INFO [stderr]    |         ^^^^^^^
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr]    = note: #[warn(path_statements)] on by default
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: variable `limitTracker` should have a snake case name such as `limit_tracker`
Dec 17 10:55:08.031 INFO [stderr]    --> src/zjw_learn/smart_pointer.rs:208:13
Dec 17 10:55:08.031 INFO [stderr]     |
Dec 17 10:55:08.031 INFO [stderr] 208 |         let mut limitTracker = LimitTracker::new(&mock_messenger, 100);
Dec 17 10:55:08.031 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr]     |
Dec 17 10:55:08.031 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: structure field `objectId` should have a snake case name such as `object_id`
Dec 17 10:55:08.031 INFO [stderr]   --> src/http_test.rs:12:5
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 12 |     objectId: String,
Dec 17 10:55:08.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.031 INFO [stderr] warning: structure field `ringData` should have a snake case name such as `ring_data`
Dec 17 10:55:08.031 INFO [stderr]   --> src/http_test.rs:13:5
Dec 17 10:55:08.031 INFO [stderr]    |
Dec 17 10:55:08.031 INFO [stderr] 13 |     ringData: String,
Dec 17 10:55:08.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 10:55:08.031 INFO [stderr] 
Dec 17 10:55:08.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
Dec 17 10:55:09.058 INFO running `"docker" "inspect" "0f258bc68da4c283d90ff9e0711de1314980dbc4abd023ff8572f42352880326"`
Dec 17 10:55:09.300 INFO running `"docker" "rm" "-f" "0f258bc68da4c283d90ff9e0711de1314980dbc4abd023ff8572f42352880326"`
Dec 17 10:55:09.640 INFO [stdout] 0f258bc68da4c283d90ff9e0711de1314980dbc4abd023ff8572f42352880326