[INFO] cloning repository https://github.com/Elyoussf/webServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Elyoussf/webServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElyoussf%2FwebServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElyoussf%2FwebServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94d216aa2cf7e5c393c9923bef4f9783a55a020a
[INFO] checking Elyoussf/webServer against try#5ff93158e08fa2205cd4b86cddf9eae95952cc96 for pr-129543-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElyoussf%2FwebServer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Elyoussf/webServer
[INFO] finished tweaking git repo https://github.com/Elyoussf/webServer
[INFO] tweaked toml for git repo https://github.com/Elyoussf/webServer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Elyoussf/webServer on toolchain 5ff93158e08fa2205cd4b86cddf9eae95952cc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Elyoussf/webServer 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" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58fa407f994523930f1999cccf7ec027d810f9e32c627e0804e3915347003401
[INFO] running `Command { std: "docker" "start" "-a" "58fa407f994523930f1999cccf7ec027d810f9e32c627e0804e3915347003401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58fa407f994523930f1999cccf7ec027d810f9e32c627e0804e3915347003401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fa407f994523930f1999cccf7ec027d810f9e32c627e0804e3915347003401", kill_on_drop: false }`
[INFO] [stdout] 58fa407f994523930f1999cccf7ec027d810f9e32c627e0804e3915347003401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f3a92e5203502b7ae88566b64b847eb2a111e2a37af88c6950a05da5f3eec5
[INFO] running `Command { std: "docker" "start" "-a" "99f3a92e5203502b7ae88566b64b847eb2a111e2a37af88c6950a05da5f3eec5", kill_on_drop: false }`
[INFO] [stderr]     Checking webServer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     sender: mpsc::Sender<Job>,
[INFO] [stdout] 10 |     workers: Vec<WorkerThread>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct WorkerThread {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 14 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     sender: mpsc::Sender<Job>,
[INFO] [stdout] 10 |     workers: Vec<WorkerThread>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct WorkerThread {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 14 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `webServer` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `web_server`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[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: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[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: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut buffer = [0; 1024];
[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 variable: `buffer`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut buffer = [0; 1024];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     sender: mpsc::Sender<Job>,
[INFO] [stdout] 10 |     workers: Vec<WorkerThread>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct WorkerThread {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 14 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut buffer = [0; 1024];
[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 variable: `buffer`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut buffer = [0; 1024];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     sender: mpsc::Sender<Job>,
[INFO] [stdout] 10 |     workers: Vec<WorkerThread>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct WorkerThread {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 14 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "99f3a92e5203502b7ae88566b64b847eb2a111e2a37af88c6950a05da5f3eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f3a92e5203502b7ae88566b64b847eb2a111e2a37af88c6950a05da5f3eec5", kill_on_drop: false }`
[INFO] [stdout] 99f3a92e5203502b7ae88566b64b847eb2a111e2a37af88c6950a05da5f3eec5