[INFO] cloning repository https://github.com/z4nder/rust-grpc-hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z4nder/rust-grpc-hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-grpc-hello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-grpc-hello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71c4a9da03031956f554cfc5df75541265c0bf0a
[INFO] checking z4nder/rust-grpc-hello 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%2Fz4nder%2Frust-grpc-hello" "/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/z4nder/rust-grpc-hello
[INFO] finished tweaking git repo https://github.com/z4nder/rust-grpc-hello
[INFO] tweaked toml for git repo https://github.com/z4nder/rust-grpc-hello written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/z4nder/rust-grpc-hello 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/z4nder/rust-grpc-hello 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-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] 2d4554802db29387bfa3558be0874240c7c1e6325b7fbe84022b330925c51df1
[INFO] running `Command { std: "docker" "start" "-a" "2d4554802db29387bfa3558be0874240c7c1e6325b7fbe84022b330925c51df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4554802db29387bfa3558be0874240c7c1e6325b7fbe84022b330925c51df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4554802db29387bfa3558be0874240c7c1e6325b7fbe84022b330925c51df1", kill_on_drop: false }`
[INFO] [stdout] 2d4554802db29387bfa3558be0874240c7c1e6325b7fbe84022b330925c51df1
[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] 401833c238334fa3252109325370a5273557f0626a679fc52dea691854a72d72
[INFO] running `Command { std: "docker" "start" "-a" "401833c238334fa3252109325370a5273557f0626a679fc52dea691854a72d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling anyhow v1.0.92
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.13.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling prost v0.13.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling prost-types v0.13.3
[INFO] [stderr]     Checking axum v0.7.7
[INFO] [stderr]    Compiling prost-build v0.13.3
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling rust-grpc-hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v1.5.0
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.12.3
[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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:248:42
[INFO] [stdout]     |
[INFO] [stdout] 248 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 249 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 250 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 251 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |                         Ok(res)
[INFO] [stdout] 262 | |                     };
[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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:266:41
[INFO] [stdout]     |
[INFO] [stdout] 266 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 267 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 268 | |                         let headers = response.headers_mut();
[INFO] [stdout] 269 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 279 | |                         Ok(response)
[INFO] [stdout] 280 | |                     })
[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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-grpc-hello` (bin "rust-grpc-hello") 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_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:248:42
[INFO] [stdout]     |
[INFO] [stdout] 248 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 249 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 250 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 251 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |                         Ok(res)
[INFO] [stdout] 262 | |                     };
[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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:266:41
[INFO] [stdout]     |
[INFO] [stdout] 266 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 267 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 268 | |                         let headers = response.headers_mut();
[INFO] [stdout] 269 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 279 | |                         Ok(response)
[INFO] [stdout] 280 | |                     })
[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/rust-grpc-hello-30cab7e41c7167bf/out/helloworld.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-grpc-hello` (bin "rust-grpc-hello" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "401833c238334fa3252109325370a5273557f0626a679fc52dea691854a72d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401833c238334fa3252109325370a5273557f0626a679fc52dea691854a72d72", kill_on_drop: false }`
[INFO] [stdout] 401833c238334fa3252109325370a5273557f0626a679fc52dea691854a72d72
