Update opentelemetry-semantic-conventions requirement from 0.27 to 0.29 (#970)

* Update opentelemetry-semantic-conventions requirement from 0.27 to 0.29

Updates the requirements on [opentelemetry-semantic-conventions](https://github.com/open-telemetry/opentelemetry-rust) to permit the latest version.
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry-semantic-conventions-0.27.0...opentelemetry-semantic-conventions-0.29.0)

---
updated-dependencies:
- dependency-name: opentelemetry-semantic-conventions
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* fix: otel example

* bump: MSRV to 1.75.0

* bump: MSRV to 1.81.0

* fix: cargo fmt

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Maxime David <[email protected]>

Author: dependabot[bot]

.github/workflows/build-events.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         toolchain:
-          - "1.71.1" # Current MSRV
+          - "1.81.0" # Current MSRV
           - stable
     env:
       RUST_BACKTRACE: 1

.github/workflows/build-extension.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         toolchain:
-          - "1.71.1" # Current MSRV
+          - "1.81.0" # Current MSRV
           - stable
     env:
       RUST_BACKTRACE: 1

.github/workflows/build-runtime.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       matrix:
         toolchain:
-          - "1.71.1" # Current MSRV
+          - "1.81.0" # Current MSRV
           - stable
     env:
       RUST_BACKTRACE: 1

README.md

@@ -409,7 +409,7 @@ fn main() -> Result<(), Box<Error>> {
 
 ## Supported Rust Versions (MSRV)
 
-The AWS Lambda Rust Runtime requires a minimum of Rust 1.71.1, and is not guaranteed to build on compiler versions earlier than that.
+The AWS Lambda Rust Runtime requires a minimum of Rust 1.81.0, and is not guaranteed to build on compiler versions earlier than that.
 
 ## Security
 

lambda-runtime/Cargo.toml

@@ -41,7 +41,7 @@ hyper-util = { workspace = true, features = [
 ] }
 lambda_runtime_api_client = { version = "0.11.1", path = "../lambda-runtime-api-client", default-features = false }
 miette = { version = "7.2.0", optional = true }
-opentelemetry-semantic-conventions = { version = "0.27", optional = true, features = ["semconv_experimental"] }
+opentelemetry-semantic-conventions = { version = "0.29", optional = true, features = ["semconv_experimental"] }
 pin-project = "1"
 serde = { version = "1", features = ["derive", "rc"] }
 serde_json = "^1"

lambda-runtime/src/layers/otel.rs

@@ -1,7 +1,7 @@
 use std::{fmt::Display, future::Future, pin::Pin, task};
 
 use crate::LambdaInvocation;
-use opentelemetry_semantic_conventions::trace as traceconv;
+use opentelemetry_semantic_conventions::attribute;
 use pin_project::pin_project;
 use tower::{Layer, Service};
 use tracing::{field, instrument::Instrumented, Instrument};
@@ -76,9 +76,9 @@ where
             "Lambda function invocation",
             "otel.name" = req.context.env_config.function_name,
             "otel.kind" = field::Empty,
-            { traceconv::FAAS_TRIGGER } = &self.otel_attribute_trigger,
-            { traceconv::FAAS_INVOCATION_ID } = req.context.request_id,
-            { traceconv::FAAS_COLDSTART } = self.coldstart
+            { attribute::FAAS_TRIGGER } = &self.otel_attribute_trigger,
+            { attribute::FAAS_INVOCATION_ID } = req.context.request_id,
+            { attribute::FAAS_COLDSTART } = self.coldstart
         );
 
         // After the first execution, we can set 'coldstart' to false