[INFO] cloning repository https://github.com/hseeberger/hello-tracing-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hseeberger/hello-tracing-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhseeberger%2Fhello-tracing-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhseeberger%2Fhello-tracing-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8869b91876cea1c6b5f5355ad6eecc2b8223ed39
[INFO] checking hseeberger/hello-tracing-rs 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%2Fhseeberger%2Fhello-tracing-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hseeberger/hello-tracing-rs
[INFO] finished tweaking git repo https://github.com/hseeberger/hello-tracing-rs
[INFO] tweaked toml for git repo https://github.com/hseeberger/hello-tracing-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hseeberger/hello-tracing-rs 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/hseeberger/hello-tracing-rs 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 024f4d5354534813cd12df8c033e62953cf5f2068965b3f6b46068a511aa8a23
[INFO] running `Command { std: "docker" "start" "-a" "024f4d5354534813cd12df8c033e62953cf5f2068965b3f6b46068a511aa8a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024f4d5354534813cd12df8c033e62953cf5f2068965b3f6b46068a511aa8a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024f4d5354534813cd12df8c033e62953cf5f2068965b3f6b46068a511aa8a23", kill_on_drop: false }`
[INFO] [stdout] 024f4d5354534813cd12df8c033e62953cf5f2068965b3f6b46068a511aa8a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9037b0b5dd8bdc35f3ea2cc5d6b951abe6cd257606c1308eae980982462a6846
[INFO] running `Command { std: "docker" "start" "-a" "9037b0b5dd8bdc35f3ea2cc5d6b951abe6cd257606c1308eae980982462a6846", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hello-tracing-backend v1.3.6 (/opt/rustwide/workdir/hello-tracing-backend)
[INFO] [stderr]    Compiling hello-tracing-gateway v1.3.6 (/opt/rustwide/workdir/hello-tracing-gateway)
[INFO] [stderr]     Checking tokio-util v0.7.13
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[INFO] [stderr]     Checking opentelemetry-proto v0.28.0
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[INFO] [stderr]     Checking hello-tracing-common v1.3.1 (/opt/rustwide/workdir/hello-tracing-common)
[INFO] [stderr]     Checking axum-extra v0.10.0
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> hello-tracing-common/src/telemetry.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::error;
[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: `tracing::error`
[INFO] [stdout]  --> hello-tracing-common/src/telemetry.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking api-version v0.3.2
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:130:42
[INFO] [stdout]     |
[INFO] [stdout] 130 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 131 | |                         let method = HelloSvc(inner);
[INFO] [stdout] 132 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 133 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |                         Ok(res)
[INFO] [stdout] 144 | |                     };
[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<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 149 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 150 | |                         let headers = response.headers_mut();
[INFO] [stdout] 151 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |                         Ok(response)
[INFO] [stdout] 162 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:130:42
[INFO] [stdout]     |
[INFO] [stdout] 130 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 131 | |                         let method = HelloSvc(inner);
[INFO] [stdout] 132 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 133 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |                         Ok(res)
[INFO] [stdout] 144 | |                     };
[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<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 149 | |                         let mut response = http::Response::new(empty_body());
[INFO] [stdout] 150 | |                         let headers = response.headers_mut();
[INFO] [stdout] 151 | |                         headers
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |                         Ok(response)
[INFO] [stdout] 162 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<axum::http::Response<http_body_util::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/hello-tracing-backend-cb2681d2d4d8db38/out/hello_tracing_backend_v0.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello-tracing-backend` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello-tracing-backend` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9037b0b5dd8bdc35f3ea2cc5d6b951abe6cd257606c1308eae980982462a6846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9037b0b5dd8bdc35f3ea2cc5d6b951abe6cd257606c1308eae980982462a6846", kill_on_drop: false }`
[INFO] [stdout] 9037b0b5dd8bdc35f3ea2cc5d6b951abe6cd257606c1308eae980982462a6846
