[INFO] cloning repository https://github.com/iamd3vil/hedwig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamd3vil/hedwig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamd3vil%2Fhedwig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamd3vil%2Fhedwig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfa8f6cf825307ab95756e0c528d0cdab5b80ba4
[INFO] checking iamd3vil/hedwig against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamd3vil%2Fhedwig" "/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/iamd3vil/hedwig
[INFO] finished tweaking git repo https://github.com/iamd3vil/hedwig
[INFO] tweaked toml for git repo https://github.com/iamd3vil/hedwig written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamd3vil/hedwig on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iamd3vil/hedwig 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c9d5b23632d85f000c074d75f4a48caf051123932b22547ea303b3fd79d597
[INFO] running `Command { std: "docker" "start" "-a" "17c9d5b23632d85f000c074d75f4a48caf051123932b22547ea303b3fd79d597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c9d5b23632d85f000c074d75f4a48caf051123932b22547ea303b3fd79d597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c9d5b23632d85f000c074d75f4a48caf051123932b22547ea303b3fd79d597", kill_on_drop: false }`
[INFO] [stdout] 17c9d5b23632d85f000c074d75f4a48caf051123932b22547ea303b3fd79d597
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d282ff06d9b913063a864c9716406e2d5ff3b45d452af9b41515a22264c72482
[INFO] running `Command { std: "docker" "start" "-a" "d282ff06d9b913063a864c9716406e2d5ff3b45d452af9b41515a22264c72482", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]   --> smtp/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         message: String,
[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: value assigned to `message` is never read
[INFO] [stdout]   --> smtp/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         message: String,
[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] [stderr]     Checking hedwig v0.5.1 (/opt/rustwide/workdir/smtp-server)
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@smtp-server/src/health.rs:18:48: 18:58}, hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 18 | |                 Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 19 | |                     handle_health_request(req, shutdown.clone())
[INFO] [stdout] 20 | |                 }))
[INFO] [stdout] 21 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@smtp-server/src/health.rs:18:48: 18:58}, hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | /                 Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 19 | |                     handle_health_request(req, shutdown.clone())
[INFO] [stdout] 20 | |                 }))
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 41 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 41 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] 44 | |                 StatusCode::SERVICE_UNAVAILABLE
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |             .expect("failed to build health 404 response")),
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:42:69
[INFO] [stdout]    |
[INFO] [stdout] 42 |           (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout]    |  _____________________________________________________________________^
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] 44 | |                 StatusCode::SERVICE_UNAVAILABLE
[INFO] [stdout] 45 | |             } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |             Ok(response)
[INFO] [stdout] 60 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Ok(response)
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |           _ => Ok(Response::builder()
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 62 | |             .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 63 | |             .body(Body::from("not found"))
[INFO] [stdout] 64 | |             .expect("failed to build health 404 response")),
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<hyper::Body>) -> impl futures::Future<Output = Result<hyper::Response<hyper::Body>, Infallible>> {handle_metrics_request}, hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:249:54
[INFO] [stdout]     |
[INFO] [stdout] 249 |           let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 250 | |             Ok::<_, Infallible>(service_fn(handle_metrics_request))
[INFO] [stdout] 251 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<hyper::Body>) -> impl futures::Future<Output = Result<hyper::Response<hyper::Body>, Infallible>> {handle_metrics_request}, hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |             Ok::<_, Infallible>(service_fn(handle_metrics_request))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:261:91
[INFO] [stdout]     |
[INFO] [stdout] 261 |   async fn handle_metrics_request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 262 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:261:91
[INFO] [stdout]     |
[INFO] [stdout] 261 |   async fn handle_metrics_request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 262 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] 265 | |             let metric_families = prometheus::gather();
[INFO] [stdout] ...   |
[INFO] [stdout] 287 | |             .expect("failed to build metrics 404 response")),
[INFO] [stdout] 288 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:263:69
[INFO] [stdout]     |
[INFO] [stdout] 263 |           (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout]     |  _____________________________________________________________________^
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] 265 | |             let metric_families = prometheus::gather();
[INFO] [stdout] 266 | |             let mut buffer = Vec::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 282 | |             Ok(response)
[INFO] [stdout] 283 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 return Ok(response);
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             Ok(response)
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:284:14
[INFO] [stdout]     |
[INFO] [stdout] 284 |           _ => Ok(Response::builder()
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 285 | |             .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 286 | |             .body(Body::from("not found"))
[INFO] [stdout] 287 | |             .expect("failed to build metrics 404 response")),
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hedwig` (bin "hedwig") due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@smtp-server/src/health.rs:18:48: 18:58}, hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 18 | |                 Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 19 | |                     handle_health_request(req, shutdown.clone())
[INFO] [stdout] 20 | |                 }))
[INFO] [stdout] 21 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@smtp-server/src/health.rs:18:48: 18:58}, hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | /                 Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 19 | |                     handle_health_request(req, shutdown.clone())
[INFO] [stdout] 20 | |                 }))
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 41 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 41 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 42 | |         (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] 44 | |                 StatusCode::SERVICE_UNAVAILABLE
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |             .expect("failed to build health 404 response")),
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:42:69
[INFO] [stdout]    |
[INFO] [stdout] 42 |           (&Method::GET, "/healthz") | (&Method::HEAD, "/healthz") => {
[INFO] [stdout]    |  _____________________________________________________________________^
[INFO] [stdout] 43 | |             let status = if shutdown.is_cancelled() {
[INFO] [stdout] 44 | |                 StatusCode::SERVICE_UNAVAILABLE
[INFO] [stdout] 45 | |             } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |             Ok(response)
[INFO] [stdout] 60 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Ok(response)
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |           _ => Ok(Response::builder()
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 62 | |             .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 63 | |             .body(Body::from("not found"))
[INFO] [stdout] 64 | |             .expect("failed to build health 404 response")),
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:96:62
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> smtp-server/src/health.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let response = handle_health_request(request, token).await.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<fn(hyper::Request<hyper::Body>) -> impl futures::Future<Output = std::result::Result<hyper::Response<hyper::Body>, Infallible>> {handle_metrics_request}, hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:249:54
[INFO] [stdout]     |
[INFO] [stdout] 249 |           let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 250 | |             Ok::<_, Infallible>(service_fn(handle_metrics_request))
[INFO] [stdout] 251 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<fn(hyper::Request<hyper::Body>) -> impl futures::Future<Output = std::result::Result<hyper::Response<hyper::Body>, Infallible>> {handle_metrics_request}, hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |             Ok::<_, Infallible>(service_fn(handle_metrics_request))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:261:91
[INFO] [stdout]     |
[INFO] [stdout] 261 |   async fn handle_metrics_request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 262 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:261:91
[INFO] [stdout]     |
[INFO] [stdout] 261 |   async fn handle_metrics_request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 262 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 263 | |         (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] 265 | |             let metric_families = prometheus::gather();
[INFO] [stdout] ...   |
[INFO] [stdout] 287 | |             .expect("failed to build metrics 404 response")),
[INFO] [stdout] 288 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:263:69
[INFO] [stdout]     |
[INFO] [stdout] 263 |           (&Method::GET, "/metrics") | (&Method::HEAD, "/metrics") => {
[INFO] [stdout]     |  _____________________________________________________________________^
[INFO] [stdout] 264 | |             let encoder = TextEncoder::new();
[INFO] [stdout] 265 | |             let metric_families = prometheus::gather();
[INFO] [stdout] 266 | |             let mut buffer = Vec::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 282 | |             Ok(response)
[INFO] [stdout] 283 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 return Ok(response);
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             Ok(response)
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> smtp-server/src/metrics.rs:284:14
[INFO] [stdout]     |
[INFO] [stdout] 284 |           _ => Ok(Response::builder()
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 285 | |             .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 286 | |             .body(Body::from("not found"))
[INFO] [stdout] 287 | |             .expect("failed to build metrics 404 response")),
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hedwig` (bin "hedwig" test) due to 23 previous errors
[INFO] running `Command { std: "docker" "inspect" "d282ff06d9b913063a864c9716406e2d5ff3b45d452af9b41515a22264c72482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d282ff06d9b913063a864c9716406e2d5ff3b45d452af9b41515a22264c72482", kill_on_drop: false }`
[INFO] [stdout] d282ff06d9b913063a864c9716406e2d5ff3b45d452af9b41515a22264c72482
