Update minimum supported Rust version to 1.43.0

This change updates the minimum supported version of Rust to 1.43.0.
Bumping to this version allows us to use more recent standard library
constructs.

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [1.42.0, stable, beta, nightly]
+        rust: [1.43.1, stable, beta, nightly]
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -41,7 +41,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.42.0
+          toolchain: 1.43.1
           components: clippy
           override: true
       - run: cargo clippy --workspace --all-targets --all-features --verbose -- -A unknown_lints -D warnings
@@ -62,7 +62,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.42.0
+          toolchain: 1.43.1
           components: rustfmt
           override: true
       - run: cargo fmt --all -- --check

CHANGELOG.md

@@ -12,6 +12,7 @@ Unreleased
 - Allowed entering of `base32` encoded strings containing spaces
 - Fixed pinentry dialog highlighting some messages incorrectly as errors
 - Switched to using GitHub Actions as the project's CI pipeline
+- Updated minimum required Rust version to `1.43.0`
 - Bumped `nitrokey` dependency to `0.9.0`
 
 

README.md

@@ -1,6 +1,6 @@
 [![pipeline](https://gitlab.com/d-e-s-o/nitrocli/badges/master/pipeline.svg)](https://gitlab.com/d-e-s-o/nitrocli/commits/master)
 [![crates.io](https://img.shields.io/crates/v/nitrocli.svg)](https://crates.io/crates/nitrocli)
-[![rustc](https://img.shields.io/badge/rustc-1.42+-blue.svg)](https://blog.rust-lang.org/2020/03/12/Rust-1.42.html)
+[![rustc](https://img.shields.io/badge/rustc-1.43+-blue.svg)](https://blog.rust-lang.org/2020/04/23/Rust-1.43.0.html)
 
 nitrocli
 ========