Patch dependencies whose latest versions are no longer compatible with 1.75

.github/workflows/ci_linux.yaml

@@ -28,19 +28,27 @@ jobs:
     - name: Setup rust
       run: rustup default ${{ matrix.rust-version }}
 
+    # As new versions of our dependencies come out, they might depend on newer
+    # versions of the Rust compiler. When that happens, we'll use this step to
+    # lock down the dependency to a version that is known to be compatible with
+    # compiler version 1.75.
+    - name: Patch dependencies
+      if: ${{ matrix.rust-version == 1.75 }}
+      run: ./scripts/patch-versions-msrv-1_75.sh
+
     - name: Build default features
-      run: cargo build --workspace --ignore-rust-version
+      run: cargo build --workspace
     - name: Test default features
-      run: cargo test --workspace --ignore-rust-version
+      run: cargo test --workspace
 
     - name: Test diagram
-      run: cargo test --workspace -F=diagram --ignore-rust-version
+      run: cargo test --workspace -F=diagram
 
     - name: Build single_threaded_async
-      run: cargo build --features single_threaded_async --ignore-rust-version
+      run: cargo build --features single_threaded_async
     - name: Test single_threaded_async
-      run: cargo test --features single_threaded_async --ignore-rust-version
+      run: cargo test --features single_threaded_async
 
     - name: Build docs
-      run: cargo doc --ignore-rust-version
+      run: cargo doc
 

scripts/patch-versions-msrv-1_75.sh

@@ -0,0 +1,4 @@
+# This script is useful for forcing dependencies to be compatible with Rust v1.75
+# Run this script in the root directory of the package.
+
+cargo add home@=0.5.9