[INFO] cloning repository https://github.com/jsq1234/web-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsq1234/web-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86ee42cd0a9813e7d0673f8ff1b267f3047cd83b
[INFO] testing jsq1234/web-server-rust against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] finished tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] tweaked toml for git repo https://github.com/jsq1234/web-server-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jsq1234/web-server-rust on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jsq1234/web-server-rust 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c
[INFO] running `Command { std: "docker" "start" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, 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: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[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:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, 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: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[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:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling web-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, 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: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[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:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Thread`
[INFO] [stderr]  --> src/lib.rs:1:90
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, Thread}};
[INFO] [stderr]   |                                                                                          ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `num_threads` and `workers` are never read
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ThreadPool{
[INFO] [stderr]   |            ---------- fields in this struct
[INFO] [stderr] 5 |     num_threads: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 6 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `thread` are never read
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Worker{
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 11 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 12 |     thread: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `web-server-rust` (lib) generated 3 warnings (run `cargo fix --lib -p web-server-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `web-server-rust` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/web_server_rust-da27927f22ec5d00)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/web_server_rust-2bd0132f85619c29)
[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] [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_rust
[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" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c", kill_on_drop: false }`
[INFO] [stdout] 217e2dcce7865b155ab618d1969b32cf96eb489c90b28ba1799d5f30c769ae8c
