Add minimum rust_version to Cargo.toml and enforce it via GH Action (#138)

Author: andrewdavidmackenzie

.github/workflows/clippy_build_test.yml

@@ -13,6 +13,13 @@ env:
   RUST_BACKTRACE: full
 
 jobs:
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: taiki-e/install-action@cargo-hack
+    - run: cargo hack check --rust-version --workspace --all-targets --ignore-private
+
   build:
     runs-on: ${{ matrix.os }}
     strategy:

Cargo.toml

@@ -8,6 +8,7 @@ documentation = "https://andrewdavidmackenzie.github.io/libproc-rs/libproc/index
 readme = "README.md"
 license = "MIT"
 edition = "2018"
+rust-version = "1.72"
 
 [dependencies]
 errno = "0.3.0"