[INFO] cloning repository https://github.com/suhanyujie/rs-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhanyujie/rs-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 027f59dbdb2bfca85788eb82247f4cbde8330f58 [INFO] testing suhanyujie/rs-web-server against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/suhanyujie/rs-web-server [INFO] finished tweaking git repo https://github.com/suhanyujie/rs-web-server [INFO] tweaked toml for git repo https://github.com/suhanyujie/rs-web-server written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/suhanyujie/rs-web-server on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/suhanyujie/rs-web-server 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chrono v0.4.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b9ceb4a32ce6c3a9b301fbd11574f57bb1379d32b0d034b09a32cb10997aaac [INFO] running `Command { std: "docker" "start" "-a" "4b9ceb4a32ce6c3a9b301fbd11574f57bb1379d32b0d034b09a32cb10997aaac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b9ceb4a32ce6c3a9b301fbd11574f57bb1379d32b0d034b09a32cb10997aaac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b9ceb4a32ce6c3a9b301fbd11574f57bb1379d32b0d034b09a32cb10997aaac", kill_on_drop: false }` [INFO] [stdout] 4b9ceb4a32ce6c3a9b301fbd11574f57bb1379d32b0d034b09a32cb10997aaac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc310c9929ca0e83b7f56b4b1b5b890223b371a666cfdabfba11a5d4769315ae [INFO] running `Command { std: "docker" "start" "-a" "cc310c9929ca0e83b7f56b4b1b5b890223b371a666cfdabfba11a5d4769315ae", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling chrono v0.4.18 [INFO] [stderr] Compiling ctrlc v3.1.6 [INFO] [stderr] Compiling web-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/interface/irequest.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UserMessage` [INFO] [stdout] --> src/interface/irequest.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::znet::request::{UserConnection, UserMessage}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/znet/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/connection.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::irequest::IRequest` [INFO] [stdout] --> src/znet/connection.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::interface::irequest::IRequest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::thread_pool::lib::ThreadPool` [INFO] [stdout] --> src/znet/connection.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::thread_pool::lib::ThreadPool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::znet::message::Message` [INFO] [stdout] --> src/znet/connection.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::znet::message::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Request`, `UserConnection`, and `UserRequest` [INFO] [stdout] --> src/znet/connection.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::znet::request::{Request, UserConnection, UserMessage, UserRequest}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::sync_channel` [INFO] [stdout] --> src/znet/connection.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::sync_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/znet/connection.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/znet/connection.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Debug` [INFO] [stdout] --> src/znet/connection.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | use std::{fmt::Debug, net::TcpStream}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/znet/connection.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | fs, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/request.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool/lib.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status_line` [INFO] [stdout] --> src/znet/server.rs:92:10 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filename` [INFO] [stdout] --> src/znet/server.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg_id` [INFO] [stdout] --> src/znet/connection.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/znet/connection.rs:49:37 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/znet/connection.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 80 | (buff, cnt) => { [INFO] [stdout] | ----------- matches any value [INFO] [stdout] ... [INFO] [stdout] 87 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_data` is never read [INFO] [stdout] --> src/znet/connection.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut req_data: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/znet/server.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/znet/request.rs:37:96 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/client.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 13 | / loop { [INFO] [stdout] 14 | | let content = String::from("hello...he"); [INFO] [stdout] 15 | | println!("client sending content is: {}", &content); [INFO] [stdout] 16 | | stream.write(content.as_bytes())?; [INFO] [stdout] ... | [INFO] [stdout] 27 | | std::thread::sleep(std::time::Duration::from_secs(3)) [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 29 | [INFO] [stdout] 30 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/bin/client.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut index = 1; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut index = 1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | client(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 7 | let _ = client(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status_line` [INFO] [stdout] --> src/bin/main.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filename` [INFO] [stdout] --> src/bin/main.rs:57:23 [INFO] [stdout] | [INFO] [stdout] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:45:22 [INFO] [stdout] | [INFO] [stdout] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut stream = &mut stream_bak; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `server` is never used [INFO] [stdout] --> src/bin/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn server() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/bin/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s [INFO] running `Command { std: "docker" "inspect" "cc310c9929ca0e83b7f56b4b1b5b890223b371a666cfdabfba11a5d4769315ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc310c9929ca0e83b7f56b4b1b5b890223b371a666cfdabfba11a5d4769315ae", kill_on_drop: false }` [INFO] [stdout] cc310c9929ca0e83b7f56b4b1b5b890223b371a666cfdabfba11a5d4769315ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac21b5a35e22625fda129ef48f861fab7e1fd119b8d5c6dc64768757583651a1 [INFO] running `Command { std: "docker" "start" "-a" "ac21b5a35e22625fda129ef48f861fab7e1fd119b8d5c6dc64768757583651a1", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/interface/irequest.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UserMessage` [INFO] [stdout] --> src/interface/irequest.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::znet::request::{UserConnection, UserMessage}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/znet/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/connection.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::irequest::IRequest` [INFO] [stdout] --> src/znet/connection.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::interface::irequest::IRequest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::thread_pool::lib::ThreadPool` [INFO] [stdout] --> src/znet/connection.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::thread_pool::lib::ThreadPool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::znet::message::Message` [INFO] [stdout] --> src/znet/connection.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::znet::message::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Request`, `UserConnection`, and `UserRequest` [INFO] [stdout] --> src/znet/connection.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::znet::request::{Request, UserConnection, UserMessage, UserRequest}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::sync_channel` [INFO] [stdout] --> src/znet/connection.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::sync_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/znet/connection.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/znet/connection.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Debug` [INFO] [stdout] --> src/znet/connection.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | use std::{fmt::Debug, net::TcpStream}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/znet/connection.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | fs, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/request.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool/lib.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status_line` [INFO] [stdout] --> src/znet/server.rs:92:10 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filename` [INFO] [stdout] --> src/znet/server.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg_id` [INFO] [stdout] --> src/znet/connection.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/znet/connection.rs:49:37 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/znet/connection.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 80 | (buff, cnt) => { [INFO] [stdout] | ----------- matches any value [INFO] [stdout] ... [INFO] [stdout] 87 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_data` is never read [INFO] [stdout] --> src/znet/connection.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut req_data: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/znet/server.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling web-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/znet/request.rs:37:96 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/client.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 13 | / loop { [INFO] [stdout] 14 | | let content = String::from("hello...he"); [INFO] [stdout] 15 | | println!("client sending content is: {}", &content); [INFO] [stdout] 16 | | stream.write(content.as_bytes())?; [INFO] [stdout] ... | [INFO] [stdout] 27 | | std::thread::sleep(std::time::Duration::from_secs(3)) [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 29 | [INFO] [stdout] 30 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/bin/client.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut index = 1; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut index = 1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | client(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 7 | let _ = client(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status_line` [INFO] [stdout] --> src/bin/main.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filename` [INFO] [stdout] --> src/bin/main.rs:57:23 [INFO] [stdout] | [INFO] [stdout] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:45:22 [INFO] [stdout] | [INFO] [stdout] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut stream = &mut stream_bak; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `server` is never used [INFO] [stdout] --> src/bin/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn server() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/bin/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/interface/irequest.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UserMessage` [INFO] [stdout] --> src/interface/irequest.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::znet::request::{UserConnection, UserMessage}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/znet/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/connection.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::irequest::IRequest` [INFO] [stdout] --> src/znet/connection.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::interface::irequest::IRequest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::thread_pool::lib::ThreadPool` [INFO] [stdout] --> src/znet/connection.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::thread_pool::lib::ThreadPool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::znet::message::Message` [INFO] [stdout] --> src/znet/connection.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::znet::message::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Request`, `UserConnection`, and `UserRequest` [INFO] [stdout] --> src/znet/connection.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::znet::request::{Request, UserConnection, UserMessage, UserRequest}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::sync_channel` [INFO] [stdout] --> src/znet/connection.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::sync_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/znet/connection.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/znet/connection.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Debug` [INFO] [stdout] --> src/znet/connection.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | use std::{fmt::Debug, net::TcpStream}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/znet/connection.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | fs, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stdout] --> src/znet/request.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::interface::imessage::IMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool/lib.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `status_line` [INFO] [stdout] --> src/znet/server.rs:92:10 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filename` [INFO] [stdout] --> src/znet/server.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg_id` [INFO] [stdout] --> src/znet/connection.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/znet/connection.rs:49:37 [INFO] [stdout] | [INFO] [stdout] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/znet/connection.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 80 | (buff, cnt) => { [INFO] [stdout] | ----------- matches any value [INFO] [stdout] ... [INFO] [stdout] 87 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_data` is never read [INFO] [stdout] --> src/znet/connection.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut req_data: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `packed_data` is assigned to, but never used [INFO] [stdout] --> src/znet/datapack.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | let packed_data: Vec; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_packed_data` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `packed_data` is never read [INFO] [stdout] --> src/znet/datapack.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | packed_data = bytes1.clone(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/znet/server.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/znet/request.rs:37:96 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "ac21b5a35e22625fda129ef48f861fab7e1fd119b8d5c6dc64768757583651a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac21b5a35e22625fda129ef48f861fab7e1fd119b8d5c6dc64768757583651a1", kill_on_drop: false }` [INFO] [stdout] ac21b5a35e22625fda129ef48f861fab7e1fd119b8d5c6dc64768757583651a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5f770569c8f922ea97fccff0be9fce02aba3db622374aaece53dc360b5a30efc [INFO] running `Command { std: "docker" "start" "-a" "5f770569c8f922ea97fccff0be9fce02aba3db622374aaece53dc360b5a30efc", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::net::TcpStream` [INFO] [stderr] --> src/interface/irequest.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::TcpStream; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `UserMessage` [INFO] [stderr] --> src/interface/irequest.rs:6:44 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::znet::request::{UserConnection, UserMessage}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/znet/server.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stderr] --> src/znet/connection.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::interface::imessage::IMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::interface::irequest::IRequest` [INFO] [stderr] --> src/znet/connection.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::interface::irequest::IRequest; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::thread_pool::lib::ThreadPool` [INFO] [stderr] --> src/znet/connection.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::thread_pool::lib::ThreadPool; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::znet::message::Message` [INFO] [stderr] --> src/znet/connection.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::znet::message::Message; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Request`, `UserConnection`, and `UserRequest` [INFO] [stderr] --> src/znet/connection.rs:9:28 [INFO] [stderr] | [INFO] [stderr] 9 | use crate::znet::request::{Request, UserConnection, UserMessage, UserRequest}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::sync_channel` [INFO] [stderr] --> src/znet/connection.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::sync::mpsc::sync_channel; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc` and `Mutex` [INFO] [stderr] --> src/znet/connection.rs:12:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/znet/connection.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `fmt::Debug` [INFO] [stderr] --> src/znet/connection.rs:16:11 [INFO] [stderr] | [INFO] [stderr] 16 | use std::{fmt::Debug, net::TcpStream}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `fs` [INFO] [stderr] --> src/znet/connection.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::interface::imessage::IMessage` [INFO] [stderr] --> src/znet/request.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::interface::imessage::IMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/thread_pool/lib.rs:48:16 [INFO] [stderr] | [INFO] [stderr] 48 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 48 | type Job = Box; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status_line` [INFO] [stderr] --> src/znet/server.rs:92:10 [INFO] [stderr] | [INFO] [stderr] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/znet/server.rs:92:23 [INFO] [stderr] | [INFO] [stderr] 92 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg_id` [INFO] [stderr] --> src/znet/connection.rs:49:24 [INFO] [stderr] | [INFO] [stderr] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/znet/connection.rs:49:37 [INFO] [stderr] | [INFO] [stderr] 49 | fn send_msg(&self, msg_id: u32, data: Vec) -> Result<(), String> { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/znet/connection.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 80 | (buff, cnt) => { [INFO] [stderr] | ----------- matches any value [INFO] [stderr] ... [INFO] [stderr] 87 | _ => { [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `req_data` is never read [INFO] [stderr] --> src/znet/connection.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut req_data: Vec = vec![]; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `handle_connection` is never used [INFO] [stderr] --> src/znet/server.rs:82:4 [INFO] [stderr] | [INFO] [stderr] 82 | fn handle_connection(mut stream: TcpStream) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/znet/request.rs:37:96 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request { [INFO] [stderr] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 37 | pub fn new(conn: Arc>, msg: Arc>>) -> Request<'a> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: variable `packed_data` is assigned to, but never used [INFO] [stderr] --> src/znet/datapack.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let packed_data: Vec; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_packed_data` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `packed_data` is never read [INFO] [stderr] --> src/znet/datapack.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 87 | packed_data = bytes1.clone(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `web-server` (lib) generated 23 warnings (run `cargo fix --lib -p web-server` to apply 16 suggestions) [INFO] [stderr] warning: `web-server` (lib test) generated 25 warnings (23 duplicates) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/client.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 13 | / loop { [INFO] [stderr] 14 | | let content = String::from("hello...he"); [INFO] [stderr] 15 | | println!("client sending content is: {}", &content); [INFO] [stderr] 16 | | stream.write(content.as_bytes())?; [INFO] [stderr] ... | [INFO] [stderr] 27 | | std::thread::sleep(std::time::Duration::from_secs(3)) [INFO] [stderr] 28 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 29 | [INFO] [stderr] 30 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/bin/client.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut index = 1; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/client.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut index = 1; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/client.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | client(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 7 | let _ = client(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status_line` [INFO] [stderr] --> src/bin/main.rs:57:10 [INFO] [stderr] | [INFO] [stderr] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/bin/main.rs:57:23 [INFO] [stderr] | [INFO] [stderr] 57 | let (status_line, filename) = if buffer.starts_with(get) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:45:22 [INFO] [stderr] | [INFO] [stderr] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut stream = &mut stream_bak; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `server` is never used [INFO] [stderr] --> src/bin/main.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn server() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `handle_connection` is never used [INFO] [stderr] --> src/bin/main.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn handle_connection(mut stream: TcpStream) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `web-server` (bin "client" test) generated 4 warnings (run `cargo fix --bin "client" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `web-server` (bin "main" test) generated 6 warnings (run `cargo fix --bin "main" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/web_server-262993154ae7af79) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test znet::datapack::tests::test_unpack ... ok [INFO] [stdout] test znet::datapack::tests::test_pack ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-49d6723ea75fa4f7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-2c2f4ef91e99e107) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests web_server [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5f770569c8f922ea97fccff0be9fce02aba3db622374aaece53dc360b5a30efc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f770569c8f922ea97fccff0be9fce02aba3db622374aaece53dc360b5a30efc", kill_on_drop: false }` [INFO] [stdout] 5f770569c8f922ea97fccff0be9fce02aba3db622374aaece53dc360b5a30efc