Bump MSRV to 1.52

So that the serial_echo_rtic example compiles.

Author: Sh3Rm4n

.clippy.toml

@@ -1 +1 @@
-msrv = "1.51"
+msrv = "1.52"

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.51.0
+          toolchain: 1.52.0
           target: thumbv7em-none-eabihf
           override: true
           profile: minimal

CHANGELOG.md

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   not needed. ([#283])
 - Enable `rt`, `usb`, `can`, `rtc` and `ld` feature by default.
   To disable that behavior, set `default-features = false`. ([#283])
+- The MSRV was bumped to 1.52 ([#283])
 
 ## [v0.8.0] - 2021-08-16
 

README.md

@@ -4,7 +4,7 @@
 [![Crate](https://img.shields.io/crates/v/stm32f3xx-hal.svg)](https://crates.io/crates/stm32f3xx-hal)
 [![Docs](https://docs.rs/stm32f3xx-hal/badge.svg)](https://docs.rs/stm32f3xx-hal)
 [![Crates.io](https://img.shields.io/crates/d/stm32f3xx-hal.svg)](https://crates.io/crates/stm32f3xx-hal)
-![Minimum Supported Rust Version](https://img.shields.io/badge/rustc-1.51+-blue.svg)
+![Minimum Supported Rust Version](https://img.shields.io/badge/rustc-1.52+-blue.svg)
 
 `stm32f3xx-hal` contains a multi device hardware abstraction on top of the
 peripheral access API for the STMicro STM32F3 series microcontrollers. The
@@ -139,7 +139,7 @@ See the [examples folder](examples) for more example programs.
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.51.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.52.0 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 <!-- This should not prevent anyone to use newer features. -->