feat: web server

Author: MuYunyun

hello/src/main.rs renamed to hello/src/bin/main.rs

@@ -4,17 +4,26 @@ use std::net::TcpStream;
 use std::net::TcpListener;
 use std::thread;
 use std::time::Duration;
+use hello::ThreadPool;
 
 fn main() {
     let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+    let pool = ThreadPool::new(4);
 
-    for stream in listener.incoming() {
+    // 目的：处理两个请求后退出循环并关闭服务器。此处使用 take(2) 限制迭代过程只会进行两次。
+    for stream in listener.incoming().take(2) {
+    // for stream in listener.incoming() {
         let stream = stream.unwrap();
 
-        thread::spawn(|| {
+        // thread::spawn(|| {
+        //     handle_connection(stream);
+        // });
+        pool.execute(|| {
             handle_connection(stream);
         });
     }
+
+    println!("Shutting down.");
 }
 
 fn handle_connection(mut stream: TcpStream) {

hello/src/lib.rs

@@ -0,0 +1,111 @@
+use std::sync::Arc;
+use std::sync::Mutex;
+use std::thread;
+use std::sync::mpsc;
+
+enum Message {
+  NewJob(Job),
+  Terminate,
+}
+
+pub struct ThreadPool {
+  workers: Vec<Worker>,
+  sender: mpsc::Sender<Message>,
+}
+
+type Job = Box<dyn FnOnce() + Send + 'static>;
+
+impl ThreadPool {
+  /// 创建线程池
+  ///
+  /// 线程池中线程的数量。
+  ///
+  /// # Panics
+  ///
+  /// `new` 函数会在 size 为 0 时触发 panic。
+  pub fn new(size: usize) -> ThreadPool {
+    assert!(size > 0);
+
+    let (sender, receiver) = mpsc::channel();
+
+    let receiver = Arc::new(Mutex::new(receiver));
+
+    let mut workers = Vec::with_capacity(size);
+
+    for id in 0..size {
+      // 创建线程并将它们存储至动态数组中
+      workers.push(Worker::new(id, Arc::clone(&receiver)));
+    }
+
+    ThreadPool {
+      workers,
+      sender,
+    }
+  }
+
+  pub fn execute<F>(&self, f: F)
+    where F: FnOnce() + Send + 'static {
+      let job = Box::new(f);
+      self.sender.send(Message::NewJob(job)).unwrap();
+    }
+}
+
+impl Drop for ThreadPool {
+  fn drop(&mut self) {
+    println!("Sending terminate message to all workers.");
+
+    // 标记 ①。
+    for _ in &mut self.workers {
+      self.sender.send(Message::Terminate).unwrap();
+    }
+
+    println!("Shutting down all workers.");
+
+    // 标记 ②。
+    // 标记 ①、② 使用两个循环而未合并用一个循环的目的是为了避免出现死锁问题。
+    // 这么做可以避免死锁问题的原因为在 ① 中对所有 work 发送结束信号，所有 work 都后会停止接受请求。
+    for worker in &mut self.workers {
+      println!("Shutting down worker {}", worker.id);
+
+      // 目的：得到所有权。为 Option 值调用 take 方法会将 Some 变体的值移出并在原有位置留下 None 变体。
+      if let Some(thread) = worker.thread.take() {
+        // Todo：确认当前代码貌似无效
+        // 目的：使正在处理的工作线程不会因为一些异常情况（如 ctrl + c 停止主线程）终止运行。
+        thread.join().unwrap();
+      }
+    }
+  }
+}
+
+struct Worker {
+  id: usize,
+  thread: Option<thread::JoinHandle<()>>,
+}
+
+impl Worker {
+  fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Message>>>) -> Worker {
+    let thread = thread::spawn(move || {
+      loop {
+        let message: Message = receiver.lock().unwrap().recv().unwrap();
+
+        match message {
+          Message::NewJob(job) => {
+            println!("Worker {} got a job; executing.", id);
+
+            job();
+          },
+          Message::Terminate => {
+            println!("Worker {} was told to terminate.", id);
+
+            break;
+          },
+        }
+      }
+    });
+
+    Worker {
+      id,
+      thread: Some(thread),
+    }
+  }
+}

hello/target/.rustc_info.json

@@ -1 +1 @@
-{"rustc_fingerprint":3299840891311980700,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.67.0 (fc594f156 2023-01-24)\nbinary: rustc\ncommit-hash: fc594f15669680fa70d255faec3ca3fb507c3405\ncommit-date: 2023-01-24\nhost: x86_64-apple-darwin\nrelease: 1.67.0\nLLVM version: 15.0.6\n","stderr":""},"10376369925670944939":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/mac/.rustup/toolchains/stable-x86_64-apple-darwin\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"9145534597574502034":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n","stderr":""},"15697416045686424142":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n","stderr":""},"1008668923510693610":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/mac/.rustup/toolchains/stable-x86_64-apple-darwin\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""}},"successes":{}}
+{"rustc_fingerprint":3299840891311980700,"outputs":{"9145534597574502034":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.67.0 (fc594f156 2023-01-24)\nbinary: rustc\ncommit-hash: fc594f15669680fa70d255faec3ca3fb507c3405\ncommit-date: 2023-01-24\nhost: x86_64-apple-darwin\nrelease: 1.67.0\nLLVM version: 15.0.6\n","stderr":""},"10376369925670944939":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/mac/.rustup/toolchains/stable-x86_64-apple-darwin\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"1008668923510693610":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/mac/.rustup/toolchains/stable-x86_64-apple-darwin\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"15697416045686424142":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n","stderr":""}},"successes":{}}

hello/target/.rustdoc_fingerprint.json

@@ -0,0 +1 @@
+{"rustc_vv":"rustc 1.67.0 (fc594f156 2023-01-24)\nbinary: rustc\ncommit-hash: fc594f15669680fa70d255faec3ca3fb507c3405\ncommit-date: 2023-01-24\nhost: x86_64-apple-darwin\nrelease: 1.67.0\nLLVM version: 15.0.6\n"}

hello/target/debug/.fingerprint/hello-160562601a6931fb/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

hello/target/debug/.fingerprint/hello-160562601a6931fb/output-test-bin-hello

@@ -0,0 +1,3 @@
+{"message":"failed to resolve: use of undeclared type `ThreadPool`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":225,"byte_end":235,"line_start":10,"line_end":10,"column_start":16,"column_end":26,"is_primary":true,"text":[{"text":"    let pool = ThreadPool::new(4);","highlight_start":16,"highlight_end":26}],"label":"use of undeclared type `ThreadPool`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `ThreadPool`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:10:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    let pool = ThreadPool::new(4);\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m               \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared type `ThreadPool`\u001b[0m\n\n"}
+{"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error\u001b[0m\n\n"}
+{"message":"For more information about this error, try `rustc --explain E0433`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0433`.\u001b[0m\n"}

hello/target/debug/.fingerprint/hello-160562601a6931fb/test-bin-hello

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":8206159660137867950,"profile":11506243869495082934,"path":1684066648322511884,"deps":[[4528510464237763391,"hello",false,12601179192983289630]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-160562601a6931fb/dep-test-bin-hello"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-160562601a6931fb/test-bin-hello.json

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

hello/target/debug/.fingerprint/hello-1b8657d91b939e7a/dep-lib-hello

@@ -0,0 +1 @@
+1effcf4cb661e0ae

hello/target/debug/.fingerprint/hello-1b8657d91b939e7a/invoked.timestamp

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":128724008561193866,"profile":17483045194147818835,"path":17523903030608720598,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-1b8657d91b939e7a/dep-lib-hello"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-1b8657d91b939e7a/lib-hello

@@ -1 +0,0 @@
-a4c6bfb838bddf9e

hello/target/debug/.fingerprint/hello-1b8657d91b939e7a/lib-hello.json

@@ -0,0 +1,3 @@
+{"message":"failed to resolve: use of undeclared type `ThreadPool`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":225,"byte_end":235,"line_start":10,"line_end":10,"column_start":16,"column_end":26,"is_primary":true,"text":[{"text":"    let pool = ThreadPool::new(4);","highlight_start":16,"highlight_end":26}],"label":"use of undeclared type `ThreadPool`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `ThreadPool`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:10:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    let pool = ThreadPool::new(4);\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m               \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared type `ThreadPool`\u001b[0m\n\n"}
+{"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error\u001b[0m\n\n"}
+{"message":"For more information about this error, try `rustc --explain E0433`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0433`.\u001b[0m\n"}

hello/target/debug/.fingerprint/hello-2e06ae3ac2461c17/bin-hello

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":8206159660137867950,"profile":17483045194147818835,"path":1684066648322511884,"deps":[[4528510464237763391,"hello",false,12601179192983289630]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-371119210bcc9c32/dep-bin-hello"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-2e06ae3ac2461c17/output-bin-hello

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

hello/target/debug/.fingerprint/hello-371119210bcc9c32/bin-hello

@@ -0,0 +1,3 @@
+{"message":"failed to resolve: use of undeclared type `ThreadPool`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":225,"byte_end":235,"line_start":10,"line_end":10,"column_start":16,"column_end":26,"is_primary":true,"text":[{"text":"    let pool = ThreadPool::new(4);","highlight_start":16,"highlight_end":26}],"label":"use of undeclared type `ThreadPool`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `ThreadPool`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:10:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    let pool = ThreadPool::new(4);\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m               \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared type `ThreadPool`\u001b[0m\n\n"}
+{"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error\u001b[0m\n\n"}
+{"message":"For more information about this error, try `rustc --explain E0433`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0433`.\u001b[0m\n"}

hello/target/debug/.fingerprint/hello-371119210bcc9c32/bin-hello.json

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

hello/target/debug/.fingerprint/hello-371119210bcc9c32/invoked.timestamp

@@ -0,0 +1 @@
+d40bb062405b37d1

hello/target/debug/.fingerprint/hello-371119210bcc9c32/output-bin-hello

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":128724008561193866,"profile":11736316127369858332,"path":17523903030608720598,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-43a25b094e2f1553/dep-lib-hello"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-43a25b094e2f1553/dep-lib-hello

@@ -0,0 +1 @@
+0dde513b21d40d21

hello/target/debug/.fingerprint/hello-43a25b094e2f1553/invoked.timestamp

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":8767251132964838570,"profile":9501221371400256673,"path":3058107988629286347,"deps":[[4528510464237763391,"hello",false,12601179192983289630],[4528510464237763391,"hello",false,13381009253270398672]],"local":[{"Precalculated":"1692960868.836276104s (target/.rustdoc_fingerprint.json)"}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-43a25b094e2f1553/lib-hello

@@ -0,0 +1 @@
+d0a6652d05e5b2b9

hello/target/debug/.fingerprint/hello-43a25b094e2f1553/lib-hello.json

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":128724008561193866,"profile":8364103326337895566,"path":17523903030608720598,"deps":[],"local":[{"Precalculated":"1692960868.836276104s (target/.rustdoc_fingerprint.json)"}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-54cbfc847c7fd792/doc-bin-main

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

hello/target/debug/.fingerprint/hello-54cbfc847c7fd792/doc-bin-main.json

@@ -0,0 +1 @@
+fec76a1cf32bde7d

hello/target/debug/.fingerprint/hello-54cbfc847c7fd792/doc-lib-hello

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":8767251132964838570,"profile":11506243869495082934,"path":3058107988629286347,"deps":[[4528510464237763391,"hello",false,12601179192983289630]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-6d011a84feb8aaa6/dep-test-bin-main"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-54cbfc847c7fd792/doc-lib-hello.json

@@ -0,0 +1 @@
+6e33a7e18d60e540

hello/target/debug/.fingerprint/hello-6d011a84feb8aaa6/dep-test-bin-main

@@ -0,0 +1 @@
+{"rustc":2209823359022848052,"features":"[]","target":8767251132964838570,"profile":17483045194147818835,"path":3058107988629286347,"deps":[[4528510464237763391,"hello",false,12601179192983289630]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/hello-8355e9f9ea69d76b/dep-bin-main"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

hello/target/debug/.fingerprint/hello-6d011a84feb8aaa6/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.