initial commit

.github/workflows/ci.yml

@@ -104,7 +104,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        rust: [1.65.0, 1.71.1]
+        rust: [1.65.0, 1.70.0]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4

opentelemetry-otlp/CHANGELOG.md

@@ -1,7 +1,6 @@
 # Changelog
 
 ## vNext
-- Bump MSRV to 1.71.1 [2140](https://github.com/open-telemetry/opentelemetry-rust/pull/2140)
 
 ## v0.25.0
 

opentelemetry-otlp/Cargo.toml

@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.71.1"
+rust-version = "1.70.0"
 autotests = false
 
 [[test]]

opentelemetry-otlp/README.md

@@ -30,7 +30,7 @@ can easily instrument your applications or systems, no matter their language,
 infrastructure, or runtime environment. Crucially, the storage and visualization
 of telemetry is intentionally left to other tools.
 
-*Compiler support: [requires `rustc` 1.71.1+][msrv]*
+*Compiler support: [requires `rustc` 1.70+][msrv]*
 
 [Prometheus]: https://prometheus.io
 [Jaeger]: https://www.jaegertracing.io
@@ -43,7 +43,7 @@ See [docs](https://docs.rs/opentelemetry-otlp).
 ## Supported Rust Versions
 
 OpenTelemetry is built against the latest stable release. The minimum supported
-version is 1.71.1. The current OpenTelemetry version is not guaranteed to build
+version is 1.70. The current OpenTelemetry version is not guaranteed to build
 on Rust versions earlier than the minimum supported version.
 
 The current stable Rust compiler and the three most recent minor versions

opentelemetry-proto/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## vNext
 
 - Fix JSON serialization of `metrics::Exemplar` and `trace::span::Link` [#2069](https://github.com/open-telemetry/opentelemetry-rust/pull/2069)
-- Bump MSRV to 1.71.1 [2140](https://github.com/open-telemetry/opentelemetry-rust/pull/2140)
 
 ## v0.25.0
 - Update `opentelemetry` dependency version to 0.25

opentelemetry-proto/Cargo.toml

@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.71.1"
+rust-version = "1.70"
 autotests = false
 
 [lib]

opentelemetry-proto/README.md

@@ -7,4 +7,4 @@ This crate contains generated files from [opentelemetry-proto](https://github.co
 repository and transformation between types from generated files and types defined in [opentelemetry](https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry).
 
 
-*Compiler support: [requires `rustc` 1.71.1+]
+*Compiler support: [requires `rustc` 1.70]

scripts/msrv_config.json

@@ -9,7 +9,7 @@
     "opentelemetry-appender-log/Cargo.toml",
     "opentelemetry-appender-tracing/Cargo.toml"
   ],
-  "1.71.1": [
+  "1.70.0": [
     "opentelemetry-otlp/Cargo.toml",
     "opentelemetry-proto/Cargo.toml"
   ]

scripts/patch_dependencies.sh

@@ -11,4 +11,5 @@ patch_version url 2.5.0
 patch_version hyper-rustls 0.27.2 # 0.27.3 needs rustc v1.70.0
 patch_version tokio-util 0.7.11 # 0.7.12 needs rustc v1.70.0
 patch_version tokio-stream 0.1.15 # 0.1.16 needs rustc v1.70.0
-patch_version tokio 1.38.0 # 1.39 needs msrv bump to rustc 1.70
+patch_version tokio 1.38.0 # 1.39 needs  rustc 1.70
+patch_version prost 0.13.2 # 0.13.3 needs rustc 1.71.1