[INFO] fetching crate opentelemetry-instrumentation-tower 0.17.0...
[INFO] checking opentelemetry-instrumentation-tower-0.17.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate opentelemetry-instrumentation-tower 0.17.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate opentelemetry-instrumentation-tower 0.17.0
[INFO] finished tweaking crates.io crate opentelemetry-instrumentation-tower 0.17.0
[INFO] tweaked toml for crates.io crate opentelemetry-instrumentation-tower 0.17.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry-instrumentation-tower 0.17.0 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 crates.io crate opentelemetry-instrumentation-tower 0.17.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e5284e00c5ce318b5cb777fde2173d12704ab64638bf19cc946c144b126e9303
[INFO] running `Command { std: "docker" "start" "-a" "e5284e00c5ce318b5cb777fde2173d12704ab64638bf19cc946c144b126e9303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5284e00c5ce318b5cb777fde2173d12704ab64638bf19cc946c144b126e9303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5284e00c5ce318b5cb777fde2173d12704ab64638bf19cc946c144b126e9303", kill_on_drop: false }`
[INFO] [stdout] e5284e00c5ce318b5cb777fde2173d12704ab64638bf19cc946c144b126e9303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 95247341b8a94f97c835f100d44104cc6e455089abf1bd749e9849143f56227a
[INFO] running `Command { std: "docker" "start" "-a" "95247341b8a94f97c835f100d44104cc6e455089abf1bd749e9849143f56227a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.31.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking opentelemetry v0.31.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking opentelemetry-instrumentation-tower v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opentelemetry_sdk v0.31.0
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Response<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:536:71
[INFO] [stdout]     |
[INFO] [stdout] 536 |           let service = tower::service_fn(|_req: Request<String>| async {
[INFO] [stdout]     |  _______________________________________________________________________^
[INFO] [stdout] 537 | |             Ok::<_, std::convert::Infallible>(
[INFO] [stdout] 538 | |                 Response::builder()
[INFO] [stdout] 539 | |                     .status(StatusCode::OK)
[INFO] [stdout] ...   |
[INFO] [stdout] 543 | |         });
[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: std::result::Result<Response<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:537:13
[INFO] [stdout]     |
[INFO] [stdout] 537 | /             Ok::<_, std::convert::Infallible>(
[INFO] [stdout] 538 | |                 Response::builder()
[INFO] [stdout] 539 | |                     .status(StatusCode::OK)
[INFO] [stdout] 540 | |                     .body(String::from("Hello, World!"))
[INFO] [stdout] 541 | |                     .unwrap(),
[INFO] [stdout] 542 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Response<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:553:25
[INFO] [stdout]     |
[INFO] [stdout] 553 |         let _response = service.call(request).await.unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Response<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:553:47
[INFO] [stdout]     |
[INFO] [stdout] 553 |         let _response = service.call(request).await.unwrap();
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Response<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:553:25
[INFO] [stdout]     |
[INFO] [stdout] 553 |         let _response = service.call(request).await.unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry-instrumentation-tower` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "95247341b8a94f97c835f100d44104cc6e455089abf1bd749e9849143f56227a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95247341b8a94f97c835f100d44104cc6e455089abf1bd749e9849143f56227a", kill_on_drop: false }`
[INFO] [stdout] 95247341b8a94f97c835f100d44104cc6e455089abf1bd749e9849143f56227a
