[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 }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Checking bytes v1.10.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking log v0.4.25 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking ryu v1.0.19 [INFO] [stderr] Compiling rustversion v1.0.19 [INFO] [stderr] Compiling httparse v1.10.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Compiling prettyplease v0.2.29 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Compiling itertools v0.14.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling bitflags v2.8.0 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.1 [INFO] [stderr] Compiling fixedbitset v0.5.7 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling yansi v1.0.1 [INFO] [stderr] Compiling multimap v0.10.0 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Compiling uncased v0.9.10 [INFO] [stderr] Checking matchit v0.8.4 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Compiling figment v0.10.19 [INFO] [stderr] Checking inlinable_string v0.1.15 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking deranged v0.5.3 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking headers-core v0.3.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking headers v0.4.0 [INFO] [stderr] Compiling petgraph v0.7.1 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling tempfile v3.16.0 [INFO] [stderr] Checking time v0.3.44 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling prost-derive v0.13.5 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling pin-project-internal v1.1.9 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling pear_codegen v0.2.9 [INFO] [stderr] Compiling trait-variant v0.1.2 [INFO] [stderr] Checking tokio v1.46.1 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking pear v0.2.9 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking pin-project v1.1.9 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Compiling prost v0.13.5 [INFO] [stderr] Checking opentelemetry v0.28.0 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking opentelemetry-http v0.28.0 [INFO] [stderr] Compiling prost-types v0.13.5 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_path_to_error v0.1.16 [INFO] [stderr] Checking tracing-serde v0.2.0 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling prost-build v0.13.5 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Compiling tonic-build v0.12.3 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking axum-core v0.4.5 [INFO] [stderr] Checking axum-core v0.5.0 [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 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking opentelemetry_sdk v0.28.0 [INFO] [stderr] Checking h2 v0.4.7 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking axum v0.7.9 [INFO] [stderr] Checking tracing-opentelemetry v0.29.0 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.10 [INFO] [stderr] Checking hyper-timeout v0.5.2 [INFO] [stderr] Checking axum v0.8.1 [INFO] [stderr] Checking tonic v0.12.3 [INFO] [stderr] Checking opentelemetry-proto v0.28.0 [INFO] [stderr] Checking opentelemetry-otlp v0.28.0 [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>, 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>, 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>, 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>, 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>, 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>, 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>, 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>, 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