[INFO] cloning repository https://github.com/kazgorot/demo_send_file_via_grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazgorot/demo_send_file_via_grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazgorot%2Fdemo_send_file_via_grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazgorot%2Fdemo_send_file_via_grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2851563bb7d793f8d2c32055c79b407bf08c23e8
[INFO] checking kazgorot/demo_send_file_via_grpc 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%2Fkazgorot%2Fdemo_send_file_via_grpc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kazgorot/demo_send_file_via_grpc
[INFO] finished tweaking git repo https://github.com/kazgorot/demo_send_file_via_grpc
[INFO] tweaked toml for git repo https://github.com/kazgorot/demo_send_file_via_grpc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kazgorot/demo_send_file_via_grpc 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/kazgorot/demo_send_file_via_grpc 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2222bb3fd8c5510a8fffe3a93be23c5dbe0241d207c7d8102c5950fa755138a9
[INFO] running `Command { std: "docker" "start" "-a" "2222bb3fd8c5510a8fffe3a93be23c5dbe0241d207c7d8102c5950fa755138a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2222bb3fd8c5510a8fffe3a93be23c5dbe0241d207c7d8102c5950fa755138a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2222bb3fd8c5510a8fffe3a93be23c5dbe0241d207c7d8102c5950fa755138a9", kill_on_drop: false }`
[INFO] [stdout] 2222bb3fd8c5510a8fffe3a93be23c5dbe0241d207c7d8102c5950fa755138a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 77b35a2e6c4312f1a6f93662dd13fefdc456cc8e91baae5d3b297a8db3d15903
[INFO] running `Command { std: "docker" "start" "-a" "77b35a2e6c4312f1a6f93662dd13fefdc456cc8e91baae5d3b297a8db3d15903", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]     Checking itoa v1.0.10
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[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]    Compiling prost-types v0.12.3
[INFO] [stderr]    Compiling prost-build v0.12.3
[INFO] [stderr]    Compiling tonic-build v0.10.2
[INFO] [stderr]    Compiling demo_grpc_send_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
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[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.10.2
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "client") due to 4 previous errors
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyFileService` is never constructed
[INFO] [stdout]   --> src/server.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MyFileService {}
[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 `process_request` is never used
[INFO] [stdout]   --> src/server.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn process_request (req: &HelloRequest) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewImageRequest` is never constructed
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewImageRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_bytes` is never used
[INFO] [stdout]   --> src/client.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn file_to_bytes(path: &Path) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/client.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "server") due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "client" test) due to 4 previous errors
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "demo_grpc_send_file" test) due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "server" test) due to 4 previous errors
[INFO] [stdout] warning: struct `MyFileService` is never constructed
[INFO] [stdout]   --> src/server.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MyFileService {}
[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 `process_request` is never used
[INFO] [stdout]   --> src/server.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn process_request (req: &HelloRequest) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewImageRequest` is never constructed
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewImageRequest {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_bytes` is never used
[INFO] [stdout]   --> src/client.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn file_to_bytes(path: &Path) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/client.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 264 | |                         let inner = inner.0;
[INFO] [stdout] 265 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 266 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 277 | |                         Ok(res)
[INFO] [stdout] 278 | |                     };
[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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 283 | |                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/demo_grpc_send_file-64cbda3c9edc3f56/out/mainflow.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 | /                         Ok(
[INFO] [stdout] 284 | |                             http::Response::builder()
[INFO] [stdout] 285 | |                                 .status(200)
[INFO] [stdout] 286 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 289 | |                                 .unwrap(),
[INFO] [stdout] 290 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo_grpc_send_file` (bin "demo_grpc_send_file") due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "77b35a2e6c4312f1a6f93662dd13fefdc456cc8e91baae5d3b297a8db3d15903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b35a2e6c4312f1a6f93662dd13fefdc456cc8e91baae5d3b297a8db3d15903", kill_on_drop: false }`
[INFO] [stdout] 77b35a2e6c4312f1a6f93662dd13fefdc456cc8e91baae5d3b297a8db3d15903
