docs: update msrv to 1.49 to align with the CI (#749)

Author: TommyCpp

README.md

@@ -25,7 +25,7 @@ analysis in order to understand your software's performance and behavior. You
 can export and analyze them using [Prometheus], [Jaeger], and other
 observability tools.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [Prometheus]: https://prometheus.io
 [Jaeger]: https://www.jaegertracing.io

opentelemetry-api/README.md

@@ -25,7 +25,7 @@ analysis in order to understand your software's performance and behavior. You
 can export and analyze them using [Prometheus], [Jaeger], and other
 observability tools.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [Prometheus]: https://prometheus.io
 [Jaeger]: https://www.jaegertracing.io

opentelemetry-api/src/lib.rs

@@ -2,7 +2,7 @@
 //! services to capture distributed traces and metrics from your application. You
 //! can analyze them using [Prometheus], [Jaeger], and other observability tools.
 //!
-//! *Compiler support: [requires `rustc` 1.46+][msrv]*
+//! *Compiler support: [requires `rustc` 1.49+][msrv]*
 //!
 //! [Prometheus]: https://prometheus.io
 //! [Jaeger]: https://www.jaegertracing.io
@@ -11,7 +11,7 @@
 //! ## Supported Rust Versions
 //!
 //! OpenTelemetry is built against the latest stable release. The minimum
-//! supported version is 1.46. The current OpenTelemetry version is not
+//! supported version is 1.49. The current OpenTelemetry version is not
 //! guaranteed to build on Rust versions earlier than the minimum supported
 //! version.
 //!

opentelemetry-http/README.md

@@ -21,7 +21,7 @@ analysis in order to understand your software's performance and behavior. This
 crate provides a HTTP client interface for use by trace exporters, as well as
 helper types to inject and extract key value pairs into/from HTTP headers.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [`OpenTelemetry`]: https://crates.io/crates/opentelemetry
 [msrv]: #supported-rust-versions

opentelemetry-jaeger/README.md

@@ -23,7 +23,7 @@ analysis in order to understand your software's performance and behavior. This
 crate provides a trace pipeline and exporter for sending span information to a
 Jaeger `agent` or `collector` endpoint for processing and visualization.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [`Jaeger`]: https://www.jaegertracing.io/
 [`OpenTelemetry`]: https://crates.io/crates/opentelemetry

opentelemetry-jaeger/src/lib.rs

@@ -2,7 +2,7 @@
 //! `agent` or `collector` endpoint. See the [Jaeger Docs] for details
 //! about Jaeger and deployment information.
 //!
-//! *Compiler support: [requires `rustc` 1.46+][msrv]*
+//! *Compiler support: [requires `rustc` 1.49+][msrv]*
 //!
 //! [Jaeger Docs]: https://www.jaegertracing.io/docs/
 //! [msrv]: #supported-rust-versions
@@ -208,7 +208,7 @@
 //! ## Supported Rust Versions
 //!
 //! OpenTelemetry is built against the latest stable release. The minimum
-//! supported version is 1.46. The current OpenTelemetry version is not
+//! supported version is 1.49. The current OpenTelemetry version is not
 //! guaranteed to build on Rust versions earlier than the minimum supported
 //! version.
 //!

opentelemetry-sdk/README.md

@@ -25,7 +25,7 @@ analysis in order to understand your software's performance and behavior. You
 can export and analyze them using [Prometheus], [Jaeger], and other
 observability tools.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [Prometheus]: https://prometheus.io
 [Jaeger]: https://www.jaegertracing.io

opentelemetry-zipkin/README.md

@@ -23,7 +23,7 @@ analysis in order to understand your software's performance and behavior. This
 crate provides a trace pipeline and exporter for sending span information to a
 Zipkin collector for processing and visualization.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [`Zipkin`]: https://zipkin.io/
 [`OpenTelemetry`]: https://crates.io/crates/opentelemetry

opentelemetry-zipkin/src/lib.rs

@@ -3,7 +3,7 @@
 //! Collects OpenTelemetry spans and reports them to a given Zipkin collector
 //! endpoint. See the [Zipkin Docs] for details and deployment information.
 //!
-//! *Compiler support: [requires `rustc` 1.46+][msrv]*
+//! *Compiler support: [requires `rustc` 1.49+][msrv]*
 //!
 //! [Zipkin Docs]: https://zipkin.io/
 //! [msrv]: #supported-rust-versions
@@ -159,7 +159,7 @@
 //! ## Supported Rust Versions
 //!
 //! OpenTelemetry is built against the latest stable release. The minimum
-//! supported version is 1.46. The current OpenTelemetry version is not
+//! supported version is 1.49. The current OpenTelemetry version is not
 //! guaranteed to build on Rust versions earlier than the minimum supported
 //! version.
 //!

opentelemetry/README.md

@@ -25,7 +25,7 @@ analysis in order to understand your software's performance and behavior. You
 can export and analyze them using [Prometheus], [Jaeger], and other
 observability tools.
 
-*Compiler support: [requires `rustc` 1.46+][msrv]*
+*Compiler support: [requires `rustc` 1.49+][msrv]*
 
 [Prometheus]: https://prometheus.io
 [Jaeger]: https://www.jaegertracing.io