Raise MSRV to Rust 1.40.0

Author: eldruin

.github/bors.toml

@@ -5,6 +5,6 @@ status = [
   "ci-linux (stable, x86_64-unknown-linux-gnu)",
   "ci-linux (stable, thumbv6m-none-eabi)",
   "ci-linux (stable, thumbv7m-none-eabi)",
-  "ci-linux (1.35.0, x86_64-unknown-linux-gnu)",
+  "ci-linux (1.40.0, x86_64-unknown-linux-gnu)",
   "fmt",
 ]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.35.0
+          - rust: 1.40.0
             TARGET: x86_64-unknown-linux-gnu
 
           # Test nightly but don't fail

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
         rust: [stable]
 
         include:
-          - rust: 1.36.0 # Higher than the MSRV due to dependencies.
+          - rust: 1.40.0
             TARGET: x86_64-unknown-linux-gnu
 
           # Test nightly but don't fail

README.md

@@ -1,7 +1,7 @@
 [![crates.io](https://img.shields.io/crates/d/embedded-hal.svg)](https://crates.io/crates/embedded-hal)
 [![crates.io](https://img.shields.io/crates/v/embedded-hal.svg)](https://crates.io/crates/embedded-hal)
 [![Documentation](https://docs.rs/embedded-hal/badge.svg)](https://docs.rs/embedded-hal)
-![Minimum Supported Rust Version](https://img.shields.io/badge/rustc-1.35+-blue.svg)
+![Minimum Supported Rust Version](https://img.shields.io/badge/rustc-1.40+-blue.svg)
 
 # `embedded-hal`
 
@@ -87,7 +87,7 @@ As stated before, `embedded-hal` `-alpha` versions are _not guaranteed_ to be co
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.35 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.40 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 ## License