[INFO] cloning repository https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikulauttia%2FgRPC-Redis-Postgres-Engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikulauttia%2FgRPC-Redis-Postgres-Engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5057100f8ff008ca427bbd448984d3c65307610
[INFO] checking rikulauttia/gRPC-Redis-Postgres-Engine 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%2Frikulauttia%2FgRPC-Redis-Postgres-Engine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine
[INFO] finished tweaking git repo https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine
[INFO] tweaked toml for git repo https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rikulauttia/gRPC-Redis-Postgres-Engine 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/rikulauttia/gRPC-Redis-Postgres-Engine 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "5c84af22d47af3550fec4ce3b0deea5db9ac2cc22dbdb2bb70632c6d39dc2fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c84af22d47af3550fec4ce3b0deea5db9ac2cc22dbdb2bb70632c6d39dc2fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c84af22d47af3550fec4ce3b0deea5db9ac2cc22dbdb2bb70632c6d39dc2fc3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/db/models.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db_pool` is never read
[INFO] [stdout]   --> src/grpc/handlers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MyMessagingService {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 11 |     db_pool: Pool<Postgres>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyMessagingService` 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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:246:42
[INFO] [stdout]     |
[INFO] [stdout] 246 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 247 | |                         let inner = inner.0;
[INFO] [stdout] 248 | |                         let method = SendMessageSvc(inner);
[INFO] [stdout] 249 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 260 | |                         Ok(res)
[INFO] [stdout] 261 | |                     };
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |                         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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:265:41
[INFO] [stdout]     |
[INFO] [stdout] 265 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 266 | |                         Ok(
[INFO] [stdout] 267 | |                             http::Response::builder()
[INFO] [stdout] 268 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |                     })
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:266:25
[INFO] [stdout]     |
[INFO] [stdout] 266 | /                         Ok(
[INFO] [stdout] 267 | |                             http::Response::builder()
[INFO] [stdout] 268 | |                                 .status(200)
[INFO] [stdout] 269 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 272 | |                                 .unwrap(),
[INFO] [stdout] 273 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `high_performance_backend` (bin "high_performance_backend" test) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/db/models.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db_pool` is never read
[INFO] [stdout]   --> src/grpc/handlers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MyMessagingService {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 11 |     db_pool: Pool<Postgres>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyMessagingService` 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::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:246:42
[INFO] [stdout]     |
[INFO] [stdout] 246 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 247 | |                         let inner = inner.0;
[INFO] [stdout] 248 | |                         let method = SendMessageSvc(inner);
[INFO] [stdout] 249 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 260 | |                         Ok(res)
[INFO] [stdout] 261 | |                     };
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |                         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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:265:41
[INFO] [stdout]     |
[INFO] [stdout] 265 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 266 | |                         Ok(
[INFO] [stdout] 267 | |                             http::Response::builder()
[INFO] [stdout] 268 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |                     })
[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, tonic::Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/high_performance_backend-d088e4520be0bdbb/out/messaging.rs:266:25
[INFO] [stdout]     |
[INFO] [stdout] 266 | /                         Ok(
[INFO] [stdout] 267 | |                             http::Response::builder()
[INFO] [stdout] 268 | |                                 .status(200)
[INFO] [stdout] 269 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 272 | |                                 .unwrap(),
[INFO] [stdout] 273 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `high_performance_backend` (bin "high_performance_backend") due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1c3452410f356617bc67dca475f0b638c9a6c3586f24045a8d3e7dce6424927a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3452410f356617bc67dca475f0b638c9a6c3586f24045a8d3e7dce6424927a", kill_on_drop: false }`
[INFO] [stdout] 1c3452410f356617bc67dca475f0b638c9a6c3586f24045a8d3e7dce6424927a
