[INFO] cloning repository https://github.com/patrickcsullivan/hello-trace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickcsullivan/hello-trace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickcsullivan%2Fhello-trace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickcsullivan%2Fhello-trace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f6a6c1b4a86d0d5ea8edc0e565df7310080538
[INFO] testing patrickcsullivan/hello-trace against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickcsullivan%2Fhello-trace" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickcsullivan/hello-trace on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patrickcsullivan/hello-trace
[INFO] finished tweaking git repo https://github.com/patrickcsullivan/hello-trace
[INFO] tweaked toml for git repo https://github.com/patrickcsullivan/hello-trace written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/patrickcsullivan/hello-trace 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 1ac8c14aaf6edf455b43032c49913529b41aefa8a14fee51416e07de987207af
[INFO] running `Command { std: "docker" "start" "-a" "1ac8c14aaf6edf455b43032c49913529b41aefa8a14fee51416e07de987207af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac8c14aaf6edf455b43032c49913529b41aefa8a14fee51416e07de987207af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac8c14aaf6edf455b43032c49913529b41aefa8a14fee51416e07de987207af", kill_on_drop: false }`
[INFO] [stdout] 1ac8c14aaf6edf455b43032c49913529b41aefa8a14fee51416e07de987207af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hello-trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HeaderName`, `HeaderValue`, and `StatusCode`
[INFO] [stdout]  --> src/client/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     header::{HeaderName, HeaderValue},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     StatusCode,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `net::SocketAddr`
[INFO] [stdout]  --> src/client/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, io::BufRead, net::SocketAddr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::join`
[INFO] [stdout]  --> src/client/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::join;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::ServiceBuilder`
[INFO] [stdout]  --> src/client/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tower::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TraceLayer` and `self`
[INFO] [stdout]  --> src/client/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tower_http::trace::{self, TraceLayer};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `Span`, `error`, `info_span`, `instrument`, and `span_enabled`
[INFO] [stdout]  --> src/client/main.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{error, info_span, instrument, span_enabled, Level, Span};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]   --> src/client/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]   --> src/client/main.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Context, KeyValue,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stdout]   --> src/client/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stdout]   --> src/client/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stdout]   --> src/client/main.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stdout]   --> src/client/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension`, `FromRequestParts`, `FromRequest`, and `middleware`
[INFO] [stdout]   --> src/server/main.rs:5:15
[INFO] [stdout]    |
[INFO] [stdout] 5  |     extract::{FromRequest, FromRequestParts, Path, State},
[INFO] [stdout]    |               ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6  |     http::{Request, StatusCode},
[INFO] [stdout] 7  |     middleware,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Extension, Router,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::ServiceBuilder`
[INFO] [stdout]   --> src/server/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tower::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TraceLayer` and `self`
[INFO] [stdout]   --> src/server/main.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tower_http::trace::{self, TraceLayer};
[INFO] [stdout]    |                         ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpanBuilder`
[INFO] [stdout]   --> src/server/main.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]   --> src/server/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Context, KeyValue,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_http::HeaderInjector`
[INFO] [stdout]   --> src/server/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use opentelemetry_http::HeaderInjector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stdout]   --> src/server/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::TracerProvider`
[INFO] [stdout]   --> src/server/main.rs:28:62
[INFO] [stdout]    |
[INFO] [stdout] 28 | use opentelemetry_sdk::{propagation::TraceContextPropagator, trace::TracerProvider};
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stdout]   --> src/server/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stdout]   --> src/server/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stdout]   --> src/server/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::global::ObjectSafeSpan`
[INFO] [stdout]   --> src/client/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use opentelemetry::global::ObjectSafeSpan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stdout]   --> src/client/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracer`
[INFO] [stdout]   --> src/client/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let tracer = opentelemetry_otlp::new_pipeline()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stdout]   --> src/server/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::Span`
[INFO] [stdout]   --> src/server/main.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | use opentelemetry::{global::BoxedSpan, trace::Span};
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_context` is never used
[INFO] [stdout]   --> src/server/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn extract_context(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_context_from_request` is never used
[INFO] [stdout]   --> src/server/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn extract_context_from_request(req: &Request<Body>) -> Context {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "a25063f33124e00ade13dc0587a16a56d04c26faca55ac5ac7195ef4b413344b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25063f33124e00ade13dc0587a16a56d04c26faca55ac5ac7195ef4b413344b", kill_on_drop: false }`
[INFO] [stdout] a25063f33124e00ade13dc0587a16a56d04c26faca55ac5ac7195ef4b413344b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864277eecc13fe17c57a62e9bbdcd780aaf6f9218360971c24f1340a5340d6e0
[INFO] running `Command { std: "docker" "start" "-a" "864277eecc13fe17c57a62e9bbdcd780aaf6f9218360971c24f1340a5340d6e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HeaderName`, `HeaderValue`, and `StatusCode`
[INFO] [stdout]  --> src/client/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     header::{HeaderName, HeaderValue},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     StatusCode,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `net::SocketAddr`
[INFO] [stdout]  --> src/client/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, io::BufRead, net::SocketAddr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::join`
[INFO] [stdout]  --> src/client/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::join;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::ServiceBuilder`
[INFO] [stdout]  --> src/client/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tower::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TraceLayer` and `self`
[INFO] [stdout]  --> src/client/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tower_http::trace::{self, TraceLayer};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `Span`, `error`, `info_span`, `instrument`, and `span_enabled`
[INFO] [stdout]  --> src/client/main.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{error, info_span, instrument, span_enabled, Level, Span};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]   --> src/client/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]   --> src/client/main.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Context, KeyValue,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stdout]   --> src/client/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stdout]   --> src/client/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stdout]   --> src/client/main.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stdout]   --> src/client/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension`, `FromRequestParts`, `FromRequest`, and `middleware`
[INFO] [stdout]   --> src/server/main.rs:5:15
[INFO] [stdout]    |
[INFO] [stdout] 5  |     extract::{FromRequest, FromRequestParts, Path, State},
[INFO] [stdout]    |               ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6  |     http::{Request, StatusCode},
[INFO] [stdout] 7  |     middleware,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Extension, Router,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tower::ServiceBuilder`
[INFO] [stdout]   --> src/server/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tower::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TraceLayer` and `self`
[INFO] [stdout]   --> src/server/main.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tower_http::trace::{self, TraceLayer};
[INFO] [stdout]    |                         ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpanBuilder`
[INFO] [stdout]   --> src/server/main.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyValue`
[INFO] [stdout]   --> src/server/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Context, KeyValue,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_http::HeaderInjector`
[INFO] [stdout]   --> src/server/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use opentelemetry_http::HeaderInjector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stdout]   --> src/server/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::TracerProvider`
[INFO] [stdout]   --> src/server/main.rs:28:62
[INFO] [stdout]    |
[INFO] [stdout] 28 | use opentelemetry_sdk::{propagation::TraceContextPropagator, trace::TracerProvider};
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stdout]   --> src/server/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stdout]   --> src/server/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stdout]   --> src/server/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::global::ObjectSafeSpan`
[INFO] [stdout]   --> src/client/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use opentelemetry::global::ObjectSafeSpan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stdout]   --> src/client/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracer`
[INFO] [stdout]   --> src/client/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let tracer = opentelemetry_otlp::new_pipeline()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stdout]   --> src/server/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::Span`
[INFO] [stdout]   --> src/server/main.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | use opentelemetry::{global::BoxedSpan, trace::Span};
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_context` is never used
[INFO] [stdout]   --> src/server/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn extract_context(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_context_from_request` is never used
[INFO] [stdout]   --> src/server/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn extract_context_from_request(req: &Request<Body>) -> Context {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "864277eecc13fe17c57a62e9bbdcd780aaf6f9218360971c24f1340a5340d6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864277eecc13fe17c57a62e9bbdcd780aaf6f9218360971c24f1340a5340d6e0", kill_on_drop: false }`
[INFO] [stdout] 864277eecc13fe17c57a62e9bbdcd780aaf6f9218360971c24f1340a5340d6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c8e2f6e1184e6c5e2da734780d2b63e0176816530c9f8be3ec46ffdc0c173c2
[INFO] running `Command { std: "docker" "start" "-a" "1c8e2f6e1184e6c5e2da734780d2b63e0176816530c9f8be3ec46ffdc0c173c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `HeaderName`, `HeaderValue`, and `StatusCode`
[INFO] [stderr]  --> src/client/main.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 |     header::{HeaderName, HeaderValue},
[INFO] [stderr]   |              ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 3 |     StatusCode,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `collections::HashMap` and `net::SocketAddr`
[INFO] [stderr]  --> src/client/main.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{collections::HashMap, io::BufRead, net::SocketAddr};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::join`
[INFO] [stderr]  --> src/client/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::join;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tower::ServiceBuilder`
[INFO] [stderr]  --> src/client/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tower::ServiceBuilder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TraceLayer` and `self`
[INFO] [stderr]  --> src/client/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tower_http::trace::{self, TraceLayer};
[INFO] [stderr]   |                         ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Level`, `Span`, `error`, `info_span`, `instrument`, and `span_enabled`
[INFO] [stderr]  --> src/client/main.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tracing::{error, info_span, instrument, span_enabled, Level, Span};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FutureExt`
[INFO] [stderr]   --> src/client/main.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KeyValue`
[INFO] [stderr]   --> src/client/main.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Context, KeyValue,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stderr]   --> src/client/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stderr]   --> src/client/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stderr]   --> src/client/main.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stderr]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stderr]   --> src/client/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry::global::ObjectSafeSpan`
[INFO] [stderr]   --> src/client/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use opentelemetry::global::ObjectSafeSpan;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stderr]   --> src/client/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tracer`
[INFO] [stderr]   --> src/client/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let tracer = opentelemetry_otlp::new_pipeline()
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Extension`, `FromRequestParts`, `FromRequest`, and `middleware`
[INFO] [stderr]   --> src/server/main.rs:5:15
[INFO] [stderr]    |
[INFO] [stderr] 5  |     extract::{FromRequest, FromRequestParts, Path, State},
[INFO] [stderr]    |               ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 6  |     http::{Request, StatusCode},
[INFO] [stderr] 7  |     middleware,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     Extension, Router,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tower::ServiceBuilder`
[INFO] [stderr]   --> src/server/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tower::ServiceBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TraceLayer` and `self`
[INFO] [stderr]   --> src/server/main.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tower_http::trace::{self, TraceLayer};
[INFO] [stderr]    |                         ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SpanBuilder`
[INFO] [stderr]   --> src/server/main.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | use opentelemetry::trace::{FutureExt, SpanBuilder};
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KeyValue`
[INFO] [stderr]   --> src/server/main.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Context, KeyValue,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_http::HeaderInjector`
[INFO] [stderr]   --> src/server/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use opentelemetry_http::HeaderInjector;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_sdk::export::trace::SpanExporter`
[INFO] [stderr]   --> src/server/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use opentelemetry_sdk::export::trace::SpanExporter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trace::TracerProvider`
[INFO] [stderr]   --> src/server/main.rs:28:62
[INFO] [stderr]    |
[INFO] [stderr] 28 | use opentelemetry_sdk::{propagation::TraceContextPropagator, trace::TracerProvider};
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_opentelemetry::OpenTelemetrySpanExt`
[INFO] [stderr]   --> src/server/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use tracing_opentelemetry::OpenTelemetrySpanExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EnvFilter`, `fmt`, `layer::SubscriberExt`, and `util::SubscriberInitExt`
[INFO] [stderr]   --> src/server/main.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
[INFO] [stderr]    |                          ^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::WithExportConfig`
[INFO] [stderr]   --> src/server/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use opentelemetry_otlp::WithExportConfig;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry::propagation::TextMapPropagator`
[INFO] [stderr]   --> src/server/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use opentelemetry::propagation::TextMapPropagator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trace::Span`
[INFO] [stderr]   --> src/server/main.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | use opentelemetry::{global::BoxedSpan, trace::Span};
[INFO] [stderr]    |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_context` is never used
[INFO] [stderr]   --> src/server/main.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | async fn extract_context(
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_context_from_request` is never used
[INFO] [stderr]   --> src/server/main.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn extract_context_from_request(req: &Request<Body>) -> Context {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-trace` (bin "client" test) generated 15 warnings (run `cargo fix --bin "client" --tests` to apply 12 suggestions)
[INFO] [stderr] warning: `hello-trace` (bin "server" test) generated 15 warnings (run `cargo fix --bin "server" --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/client/main.rs (/opt/rustwide/target/debug/deps/client-354356ee09487097)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/server/main.rs (/opt/rustwide/target/debug/deps/server-d28f8afd366b5f97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c8e2f6e1184e6c5e2da734780d2b63e0176816530c9f8be3ec46ffdc0c173c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8e2f6e1184e6c5e2da734780d2b63e0176816530c9f8be3ec46ffdc0c173c2", kill_on_drop: false }`
[INFO] [stdout] 1c8e2f6e1184e6c5e2da734780d2b63e0176816530c9f8be3ec46ffdc0c173c2
