Use Rust 1.88 during CI (#7902)

Author: nojaf

.github/workflows/ci.yml

@@ -116,8 +116,9 @@ jobs:
         if: steps.rewatch-build-cache.outputs.cache-hit != 'true'
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: stable
+          toolchain: 1.88.0
           targets: ${{ matrix.rust-target }}
+          components: clippy, rustfmt
 
       - name: Build rewatch
         if: steps.rewatch-build-cache.outputs.cache-hit != 'true'

rewatch/Cargo.toml

@@ -2,7 +2,7 @@
 name = "rescript"
 version = "12.0.0-beta.12"
 edition = "2024"
-rust-version = "1.85"
+rust-version = "1.88"
 
 [dependencies]
 ahash = "0.8.3"

rewatch/src/build/parse.rs

@@ -199,7 +199,7 @@ pub fn generate_asts(
                         &build_state.bsc_path,
                     ) {
                         has_failure = true;
-                        stderr.push_str(&format!("{}\n", err));
+                        stderr.push_str(&format!("{err}\n"));
                     }
                     let mlmap_hash_after = helpers::compute_file_hash(Path::new(&compile_path));