[INFO] fetching crate flare-rpc-core 0.1.1...
[INFO] checking flare-rpc-core-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate flare-rpc-core 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate flare-rpc-core 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flare-rpc-core 0.1.1
[INFO] tweaked toml for crates.io crate flare-rpc-core 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flare-rpc-core 0.1.1 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 crates.io crate flare-rpc-core 0.1.1 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 }`
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[INFO] [stdout] 9d512d7e870f18e5a1981a2d481d067f1503fe2a49e19252e8f5367f89c6893a
[INFO] running `Command { std: "docker" "start" "-a" "9d512d7e870f18e5a1981a2d481d067f1503fe2a49e19252e8f5367f89c6893a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d512d7e870f18e5a1981a2d481d067f1503fe2a49e19252e8f5367f89c6893a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d512d7e870f18e5a1981a2d481d067f1503fe2a49e19252e8f5367f89c6893a", kill_on_drop: false }`
[INFO] [stdout] 9d512d7e870f18e5a1981a2d481d067f1503fe2a49e19252e8f5367f89c6893a
[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] 2958c92839a707be4434e5cf60d308f4c55ee91492711d2e433d6f85ad04693d
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[INFO] [stdout] warning: unused import: `crate::interceptor::ctxinterceprot::AppContextConfig`
[INFO] [stdout]  --> src/client/call.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::interceptor::ctxinterceprot::AppContextConfig;
[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: `flare_core::context::AppContextBuilder`
[INFO] [stdout]  --> src/client/call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use flare_core::context::AppContextBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/client/call.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::Layer`
[INFO] [stdout]  --> src/client/call.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tower::Layer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::Service`
[INFO] [stdout]  --> src/client/call.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tower::Service;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]   --> src/client/call.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/client/call.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interceptor::ctxinterceprot::AppContextConfig`
[INFO] [stdout]  --> src/client/call.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::interceptor::ctxinterceprot::AppContextConfig;
[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::str::FromStr`
[INFO] [stdout]  --> src/client/call.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::Layer`
[INFO] [stdout]  --> src/client/call.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tower::Layer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::Service`
[INFO] [stdout]  --> src/client/call.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tower::Service;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/discover/consul/tests.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::transport::Channel`
[INFO] [stdout]   --> src/discover/consul/tests.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use tonic::transport::Channel;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `enable_tag_override`, `create_index`, and `modify_index` are never read
[INFO] [stdout]   --> src/discover/consul/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct ConsulService {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     enable_tag_override: Option<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 61 |     #[serde(rename = "CreateIndex", skip_serializing)]
[INFO] [stdout] 62 |     create_index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 63 |     #[serde(rename = "ModifyIndex", skip_serializing)]
[INFO] [stdout] 64 |     modify_index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConsulService` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_service_health` is never used
[INFO] [stdout]   --> src/discover/consul/registry.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ConsulRegistry {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     async fn check_service_health(&self, service_id: &str) -> bool {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `service_name`, `all`, `added`, `updated`, and `removed` are never read
[INFO] [stdout]    --> src/discover/discover.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct Change {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 110 |     pub service_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 111 |     pub all: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 112 |     pub added: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 113 |     pub updated: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 114 |     pub removed: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Change` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `App`
[INFO] [stdout]  --> examples/echo_server.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flare_rpc_core::app::{App, AppBuilder};
[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: `ConsulRegistry`
[INFO] [stdout]  --> examples/echo_client.rs:2:62
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flare_rpc_core::discover::{ConsulConfig, ConsulDiscover, ConsulRegistry, LoadBalanceStrategy, RpcDiscovery};
[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 `enable_tag_override`, `create_index`, and `modify_index` are never read
[INFO] [stdout]   --> src/discover/consul/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct ConsulService {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     enable_tag_override: Option<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 61 |     #[serde(rename = "CreateIndex", skip_serializing)]
[INFO] [stdout] 62 |     create_index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 63 |     #[serde(rename = "ModifyIndex", skip_serializing)]
[INFO] [stdout] 64 |     modify_index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConsulService` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_service_health` is never used
[INFO] [stdout]   --> src/discover/consul/registry.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ConsulRegistry {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     async fn check_service_health(&self, service_id: &str) -> bool {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `service_name`, `all`, `added`, `updated`, and `removed` are never read
[INFO] [stdout]    --> src/discover/discover.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct Change {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 110 |     pub service_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 111 |     pub all: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 112 |     pub added: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 113 |     pub updated: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 114 |     pub removed: Vec<ServiceEndpoint>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Change` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:249:42
[INFO] [stdout]     |
[INFO] [stdout] 249 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 250 | |                         let method = EchoSvc(inner);
[INFO] [stdout] 251 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 252 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |                         Ok(res)
[INFO] [stdout] 263 | |                     };
[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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:267:41
[INFO] [stdout]     |
[INFO] [stdout] 267 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 268 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 269 | |                         let headers = response.headers_mut();
[INFO] [stdout] 270 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 280 | |                         Ok(response)
[INFO] [stdout] 281 | |                     })
[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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         Ok(response)
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:249:42
[INFO] [stdout]     |
[INFO] [stdout] 249 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 250 | |                         let method = EchoSvc(inner);
[INFO] [stdout] 251 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 252 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |                         Ok(res)
[INFO] [stdout] 263 | |                     };
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:267:41
[INFO] [stdout]     |
[INFO] [stdout] 267 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 268 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 269 | |                         let headers = response.headers_mut();
[INFO] [stdout] 270 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 280 | |                         Ok(response)
[INFO] [stdout] 281 | |                     })
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flare-rpc-core` (example "echo_server") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:249:42
[INFO] [stdout]     |
[INFO] [stdout] 249 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 250 | |                         let method = EchoSvc(inner);
[INFO] [stdout] 251 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 252 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |                         Ok(res)
[INFO] [stdout] 263 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flare-rpc-core` (lib test) due to 4 previous errors; 9 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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:267:41
[INFO] [stdout]     |
[INFO] [stdout] 267 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 268 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 269 | |                         let headers = response.headers_mut();
[INFO] [stdout] 270 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 280 | |                         Ok(response)
[INFO] [stdout] 281 | |                     })
[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/flare-rpc-core-ea19e1f51e2f779e/out/echo.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flare-rpc-core` (example "echo_client") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2958c92839a707be4434e5cf60d308f4c55ee91492711d2e433d6f85ad04693d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2958c92839a707be4434e5cf60d308f4c55ee91492711d2e433d6f85ad04693d", kill_on_drop: false }`
[INFO] [stdout] 2958c92839a707be4434e5cf60d308f4c55ee91492711d2e433d6f85ad04693d
