Upgrade to burn 0.21.0-pre.3 and consolidate workspace

.github/workflows/rust.yml

@@ -15,33 +15,28 @@ jobs:
 
     strategy:
       matrix:
-        rust: [stable, 1.89.0]
+        rust: [stable, 1.92.0]
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: install rust
+      - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
           components: rustfmt, clippy
           toolchain: ${{ matrix.rust }}
 
-      - name: Check Formatting
-        run: |
-          cd squeezenet-burn
-          cargo fmt --all -- --check
+      - name: Cache cargo registry and target
+        uses: Swatinem/rust-cache@v2
 
-      - name: Run Clippy
-        run: |
-          cd squeezenet-burn
-          cargo clippy -- -D warnings
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Clippy
+        run: cargo clippy --workspace --all-targets --locked -- -D warnings
 
       - name: Build
-        run: |
-          cd squeezenet-burn
-          cargo build --verbose
-
-      - name: Run tests
-        run: |
-          cd squeezenet-burn
-          cargo test --verbose
+        run: cargo build --workspace --all-targets --locked --verbose
+
+      - name: Test
+        run: cargo test --workspace --locked --verbose

.gitignore

@@ -3,11 +3,7 @@
 debug/
 target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
-# These are backup files generated by rustfmt
+# Remove C# These are backup files generated by rustfmt
 **/*.rs.bk
 
 # MSVC Windows builds of rustc generate these, which store debugging information