the trait opentelemetry::trace::tracer::Tracer is not implemented for opentelemetry_sdk::trace::Tracer

[brianmay]

Hello All,

Getting totally confused why I am getting this error after updating all my opentelemetry-* libraries to 0.26.0.

Research suggests this is a mismatch of library versions, but looking at the output of cargo tree doesn't show anything obvious.
file.txt

The error:

error[E0277]: the trait bound `opentelemetry_sdk::trace::Tracer: opentelemetry::trace::tracer::Tracer` is not satisfied
   --> brian-backend/src/logging.rs:197:43
    |
197 |             .with(OpenTelemetryLayer::new(tracer))
    |                   ----------------------- ^^^^^^ the trait `opentelemetry::trace::tracer::Tracer` is not implemented for `opentelemetry_sdk::trace::Tracer`
    |                   |
    |                   required by a bound introduced by this call
    |
    = help: the following other types implement trait `opentelemetry::trace::tracer::Tracer`:
              opentelemetry::global::trace::BoxedTracer
              opentelemetry::trace::noop::NoopTracer
              opentelemetry_sdk::trace::tracer::Tracer
note: required by a bound in `OpenTelemetryLayer::<S, T>::new`
   --> /home/brian/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-opentelemetry-0.26.0/src/layer.rs:506:8
    |
506 |     T: otel::Tracer + PreSampledTracer + 'static,
    |        ^^^^^^^^^^^^ required by this bound in `OpenTelemetryLayer::<S, T>::new`
...
540 |     pub fn new(tracer: T) -> Self {
    |            --- required by a bound in this associated function

The was working code, but with meter code commented out (this was giving different error):

        global::set_tracer_provider(tracer_provider.clone());
        global::set_meter_provider(meter_provider.clone());

        let tracer = tracer_provider.tracer_builder("brian-backend").build();

        layer
            #.with(MetricsLayer::new(meter_provider.clone()))
            .with(OpenTelemetryLayer::new(tracer))
            .with(OpenTelemetryTracingBridge::new(&logger_provider))
            .try_init()?;

Tried different variations here, but none of them worked.

I am trying to find an example that does this also, without success.

My latest attempt is here: https://github.com/brianmay/robotica-rust/blob/09113044a5be4a219266bfa4d9a3e270e5829c25/brian-backend/src/logging.rs#L173-L182

This is the update_telemetry branch, reproduce with cargo build -p brian-backend.

[brianmay]

Never mind, just worked out I need tracing-opentelemetry = "0.27.0", because that depends on opentelemetry* 0.26.*.

tracing-opentelemetry = "0.26.0" depends on opentelemetry 0.25.0, which is why I was getting errors.

Which is odd, I tried this numerous times before and it didn't work. But suddenly right now it is working.