Add MSRV test with minimal-version dependencies

.github/workflows/ci.yml

@@ -14,3 +14,15 @@ jobs:
         run: cargo clippy --workspace --all-targets -- -D warnings
       - name: Cargo test
         run: cargo test --workspace
+
+  rust-msrv:
+    name: Build-test MSRV (1.74) with minimal crate dependencies
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - name: Generate minimal-version dependencies
+        run: cargo -Zminimal-versions generate-lockfile
+      - uses: dtolnay/[email protected]
+      - name: Cargo check
+        run: cargo check --workspace --all-targets

README.md

@@ -3,6 +3,7 @@
 [![Actions Status](https://github.com/Traverse-Research/rust-template/actions/workflows/ci.yml/badge.svg)](https://github.com/Traverse-Research/rust-template/actions)
 [![Latest version](https://img.shields.io/crates/v/rust-template.svg?logo=rust)](https://crates.io/crates/rust-template)
 [![Documentation](https://docs.rs/rust-template/badge.svg)](https://docs.rs/rust-template)
+[![MSRV](https://img.shields.io/badge/rustc-1.74.0+-ab6000.svg)](https://blog.rust-lang.org/2023/11/16/Rust-1.74.0.html)
 [![Lines of code](https://tokei.rs/b1/github/Traverse-Research/rust-template)](https://github.com/Traverse-Research/rust-template)
 ![MIT](https://img.shields.io/badge/license-MIT-blue.svg)
 [![Contributor Covenant](https://img.shields.io/badge/contributor%20covenant-v1.4%20adopted-ff69b4.svg)](./CODE_OF_CONDUCT.md)