chore: bump MSRV to 1.63 (#2793)

Author: davidbarsky

tracing-appender/Cargo.toml

@@ -18,7 +18,7 @@ categories = [
 ]
 keywords = ["logging", "tracing", "file-appender", "non-blocking-writer"]
 edition = "2018"
-rust-version = "1.53.0"
+rust-version = "1.63.0"
 
 [dependencies]
 crossbeam-channel = "0.5.5"

tracing-appender/README.md

@@ -36,7 +36,7 @@ allows events and spans to be recorded in a non-blocking manner through a
 dedicated logging thread. It also provides a [`RollingFileAppender`][file_appender] 
 that can be used with _or_ without the non-blocking writer.
 
-*Compiler support: [requires `rustc` 1.53+][msrv]*
+*Compiler support: [requires `rustc` 1.63+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -146,7 +146,7 @@ fn main() {
 ## Supported Rust Versions
 
 `tracing-appender` is built against the latest stable release. The minimum supported
-version is 1.53. The current `tracing-appender` version is not guaranteed to build on
+version is 1.63. The current `tracing-appender` version is not guaranteed to build on
 Rust versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-appender/src/lib.rs

@@ -7,7 +7,7 @@
 //! a dedicated logging thread. It also provides a [`RollingFileAppender`][file_appender] that can
 //! be used with _or_ without the non-blocking writer.
 //!
-//! *Compiler support: [requires `rustc` 1.51+][msrv]*
+//! *Compiler support: [requires `rustc` 1.63+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //! [file_appender]: rolling::RollingFileAppender
@@ -124,7 +124,7 @@
 //! ## Supported Rust Versions
 //!
 //! `tracing-appender` is built against the latest stable release. The minimum supported
-//! version is 1.51. The current `tracing-appender` version is not guaranteed to build on
+//! version is 1.63. The current `tracing-appender` version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio