[INFO] cloning repository https://github.com/imnull/rust-serv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imnull/rust-serv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimnull%2Frust-serv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimnull%2Frust-serv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39f0ca5ed8c9b6ac83c683f162ee589734b0cdd0
[INFO] checking imnull/rust-serv against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimnull%2Frust-serv" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imnull/rust-serv
[INFO] finished tweaking git repo https://github.com/imnull/rust-serv
[INFO] tweaked toml for git repo https://github.com/imnull/rust-serv written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imnull/rust-serv on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imnull/rust-serv 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "4d8393cc4d0558431ad5d7b552740f9a0edaa4c46b0a76bb498ab918b186a195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d8393cc4d0558431ad5d7b552740f9a0edaa4c46b0a76bb498ab918b186a195", kill_on_drop: false }`
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[INFO] [stdout] 4d8393cc4d0558431ad5d7b552740f9a0edaa4c46b0a76bb498ab918b186a195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/management/config.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[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::io::Write`
[INFO] [stdout]   --> src/config_reloader/watcher.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use std::io::Write;
[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::thread`
[INFO] [stdout]    --> src/config_reloader/reloader.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/management/config.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ServiceBuilder` and `ServiceExt`
[INFO] [stdout]   --> src/middleware/logging.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use tower::{ServiceBuilder, ServiceExt};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/middleware/logging.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use std::future::Future;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/middleware/cache.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use std::future::Future;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChallengeToken` is never constructed
[INFO] [stdout]  --> src/auto_tls/challenge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ChallengeToken {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> tests/coverage_boost_tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::PathBuf;
[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: `Incoming`
[INFO] [stdout]   --> tests/coverage_boost_tests.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use hyper::body::{Bytes, Incoming};
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> tests/coverage_boost_tests.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let handler = Handler::new(config);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response1`
[INFO] [stdout]    --> tests/server_error_tests.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |     let response1 = client.get(&url1).send().await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_request_with_headers` is never used
[INFO] [stdout]   --> tests/server_error_tests.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | async fn make_request_with_headers(path: &str, port: u16, headers: Vec<(&str, &str)>) -> reqwest::Response {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/access_log/writer.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let writer = AccessLogWriter::new(&path).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let (title, msg) = get_default_error_message(400);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let (title, msg) = get_default_error_message(401);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let (title, msg) = get_default_error_message(403);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let (title, msg) = get_default_error_message(405);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let (title, msg) = get_default_error_message(429);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/error_pages/templates.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let (title, msg) = get_default_error_message(503);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/middleware/security.rs:590:13
[INFO] [stdout]     |
[INFO] [stdout] 590 |         let mut too_many_headers = HeaderMap::new();
[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: `server`
[INFO] [stdout]    --> src/server/websocket.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let server = WebSocketServer::new(config);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/server/websocket.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let server = WebSocketServer::new(config);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/server/websocket.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |         let server = WebSocketServer::new(config);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChallengeToken` is never constructed
[INFO] [stdout]  --> src/auto_tls/challenge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ChallengeToken {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "d40254ed6ea1f98170252d04b83a2352f243f1bf2dbf8d0e3633623ed04d9ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40254ed6ea1f98170252d04b83a2352f243f1bf2dbf8d0e3633623ed04d9ed5", kill_on_drop: false }`
[INFO] [stdout] d40254ed6ea1f98170252d04b83a2352f243f1bf2dbf8d0e3633623ed04d9ed5
