[INFO] cloning repository https://github.com/abdusselamyuceer/grpc_heartbeat_check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdusselamyuceer/grpc_heartbeat_check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdusselamyuceer%2Fgrpc_heartbeat_check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdusselamyuceer%2Fgrpc_heartbeat_check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dae7a89fc54c1fe0f62806185c39389bc0246169
[INFO] checking abdusselamyuceer/grpc_heartbeat_check 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%2Fabdusselamyuceer%2Fgrpc_heartbeat_check" "/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/abdusselamyuceer/grpc_heartbeat_check
[INFO] finished tweaking git repo https://github.com/abdusselamyuceer/grpc_heartbeat_check
[INFO] tweaked toml for git repo https://github.com/abdusselamyuceer/grpc_heartbeat_check written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abdusselamyuceer/grpc_heartbeat_check 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/abdusselamyuceer/grpc_heartbeat_check 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] warning: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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-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_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] fb5ff1f117dffee13f47e0374d37ebebea0eb0b5512c989e33ff11aec2ebf6ae
[INFO] running `Command { std: "docker" "start" "-a" "fb5ff1f117dffee13f47e0374d37ebebea0eb0b5512c989e33ff11aec2ebf6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5ff1f117dffee13f47e0374d37ebebea0eb0b5512c989e33ff11aec2ebf6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5ff1f117dffee13f47e0374d37ebebea0eb0b5512c989e33ff11aec2ebf6ae", kill_on_drop: false }`
[INFO] [stdout] fb5ff1f117dffee13f47e0374d37ebebea0eb0b5512c989e33ff11aec2ebf6ae
[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 -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] 932017cea1ab62f3eae4280af15a8cc47984016d3f4795576c8ada0d5e4663d4
[INFO] running `Command { std: "docker" "start" "-a" "932017cea1ab62f3eae4280af15a8cc47984016d3f4795576c8ada0d5e4663d4", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling prettyplease v0.2.27
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling log v0.4.24
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling prost-derive v0.13.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]    Compiling prost v0.13.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking pin-project v1.1.8
[INFO] [stderr]    Compiling prost-types v0.13.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-build v0.13.4
[INFO] [stderr]     Checking serde v1.0.217
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]    Compiling grpc_heartbeat_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v1.5.2
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stderr]     Checking tonic-reflection v0.12.3
[INFO] [stderr]     Checking tonic-web v0.12.3
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         let req = proto::HeartBeatRequest { node_id: node_id.clone() };
[INFO] [stdout] 16 | |         let request = tonic::Request::new(req);
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         sleep(Duration::from_secs(5));
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 23 |   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: unreachable expression
[INFO] [stdout]   --> src/client.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         let req = proto::HeartBeatRequest { node_id: node_id.clone() };
[INFO] [stdout] 16 | |         let request = tonic::Request::new(req);
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         sleep(Duration::from_secs(5));
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 23 |   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 import: `NaiveDate`
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::{NaiveDate};
[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 imports: `Request` and `Status`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tonic::{Request, Response, Status};
[INFO] [stdout]    |             ^^^^^^^            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HeartBeatRequest`
[INFO] [stdout]   --> src/main.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::proto::{HeartBeatRequest, HeartBeatResponse};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prost_types::Timestamp`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use prost_types::Timestamp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Option`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use serde::de::Unexpected::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 53 |      let last_seen_datetime = chrono::Utc::now();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NaiveDate`
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::{NaiveDate};
[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 imports: `Request` and `Status`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tonic::{Request, Response, Status};
[INFO] [stdout]    |             ^^^^^^^            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HeartBeatRequest`
[INFO] [stdout]   --> src/main.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::proto::{HeartBeatRequest, HeartBeatResponse};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prost_types::Timestamp`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use prost_types::Timestamp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Option`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use serde::de::Unexpected::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 53 |      let last_seen_datetime = chrono::Utc::now();;
[INFO] [stdout]    |                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/client.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/client.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         create_client("1".to_string(), 5).await;
[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] 30 |         let _ = create_client("1".to_string(), 5).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 255 | |                         let method = SendHeartbeatSvc(inner);
[INFO] [stdout] 256 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 257 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 267 | |                         Ok(res)
[INFO] [stdout] 268 | |                     };
[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<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:272:41
[INFO] [stdout]     |
[INFO] [stdout] 272 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 273 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 274 | |                         let headers = response.headers_mut();
[INFO] [stdout] 275 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |                         Ok(response)
[INFO] [stdout] 286 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:285:25
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc_heartbeat_check` (bin "client") due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         create_client("1".to_string(), 5).await;
[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] 30 |         let _ = create_client("1".to_string(), 5).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc_heartbeat_check` (bin "client" test) due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 255 | |                         let method = SendHeartbeatSvc(inner);
[INFO] [stdout] 256 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 257 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 267 | |                         Ok(res)
[INFO] [stdout] 268 | |                     };
[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<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:272:41
[INFO] [stdout]     |
[INFO] [stdout] 272 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 273 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 274 | |                         let headers = response.headers_mut();
[INFO] [stdout] 275 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |                         Ok(response)
[INFO] [stdout] 286 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:285:25
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         let req = proto::HeartBeatRequest { node_id: node_id.clone() };
[INFO] [stdout] 16 | |         let request = tonic::Request::new(req);
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         sleep(Duration::from_secs(5));
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 23 |   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: unreachable expression
[INFO] [stdout]   --> src/client.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         let req = proto::HeartBeatRequest { node_id: node_id.clone() };
[INFO] [stdout] 16 | |         let request = tonic::Request::new(req);
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         sleep(Duration::from_secs(5));
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 23 |   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 import: `TimeZone`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chrono::{Utc, DateTime, TimeZone};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeZone`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chrono::{Utc, DateTime, TimeZone};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/client.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> src/client.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_client` is never used
[INFO] [stdout]   --> src/client.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[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 `main` is never used
[INFO] [stdout]   --> src/client.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_DESCRIPTOR_SET` is never used
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub(crate) const FILE_DESCRIPTOR_SET: &[u8] =
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_client` is never used
[INFO] [stdout]   --> src/client.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn create_client(node_id:String, timestamp: i64) ->Result<(), Box<dyn Error>> {
[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 `Result` that must be used
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         create_client("1".to_string(), 5).await;
[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] 30 |         let _ = create_client("1".to_string(), 5).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/client.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | async fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_DESCRIPTOR_SET` is never used
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub(crate) const FILE_DESCRIPTOR_SET: &[u8] =
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 255 | |                         let method = SendHeartbeatSvc(inner);
[INFO] [stdout] 256 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 257 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 267 | |                         Ok(res)
[INFO] [stdout] 268 | |                     };
[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<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:272:41
[INFO] [stdout]     |
[INFO] [stdout] 272 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 273 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 274 | |                         let headers = response.headers_mut();
[INFO] [stdout] 275 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |                         Ok(response)
[INFO] [stdout] 286 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:285:25
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         create_client("1".to_string(), 5).await;
[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] 30 |         let _ = create_client("1".to_string(), 5).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = create_client("2".to_string(), 7).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:254:42
[INFO] [stdout]     |
[INFO] [stdout] 254 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 255 | |                         let method = SendHeartbeatSvc(inner);
[INFO] [stdout] 256 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 257 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 267 | |                         Ok(res)
[INFO] [stdout] 268 | |                     };
[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<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:272:41
[INFO] [stdout]     |
[INFO] [stdout] 272 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 273 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 274 | |                         let headers = response.headers_mut();
[INFO] [stdout] 275 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |                         Ok(response)
[INFO] [stdout] 286 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/grpc_heartbeat_check-8d695b1df588df66/out/heartbeat.rs:285:25
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grpc_heartbeat_check` (bin "server") due to 4 previous errors; 14 warnings emitted
[INFO] [stderr] error: could not compile `grpc_heartbeat_check` (bin "server" test) due to 4 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "932017cea1ab62f3eae4280af15a8cc47984016d3f4795576c8ada0d5e4663d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932017cea1ab62f3eae4280af15a8cc47984016d3f4795576c8ada0d5e4663d4", kill_on_drop: false }`
[INFO] [stdout] 932017cea1ab62f3eae4280af15a8cc47984016d3f4795576c8ada0d5e4663d4
