ci: add msrv check & update cargo.toml/readme rust-version to 1.60

.github/workflows/build.yml

@@ -7,7 +7,31 @@ on:
       - master
   pull_request: {}
 
+env:
+  RUST_MSRV: 1.60.0
+
 jobs:
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v1
+        with:
+          path: |
+            ~/.cargo/bin
+            ~/.cargo/registry/index
+            ~/.cargo/registry/cache
+            ~/.cargo/git/db/
+            target
+          key: "${{ runner.os }}-cargo-build-msrv-${{ hashFiles('**/Cargo.lock') }}"
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ env.RUST_MSRV }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
   # typical build with various feature combinations
   build:
     name: Build

Cargo.toml

@@ -4,7 +4,7 @@ members = [".", "codegen"]
 [package]
 name = "rhai"
 version = "1.8.0"
-rust-version = "1.57"
+rust-version = "1.60"
 edition = "2018"
 authors = ["Jonathan Turner", "Lukáš Hozda", "Stephen Chung", "jhwgh1968"]
 description = "Embedded scripting for Rust"

README.md

@@ -27,7 +27,7 @@ Targets and builds
 * All CPU and O/S targets supported by Rust, including:
   * WebAssembly (WASM)
   * `no-std`
-* Minimum Rust version 1.57
+* Minimum Rust version 1.60
 
 
 Standard features