ci: switch tarpaulin output to lcov format

.cargo/config.toml

@@ -5,6 +5,7 @@ rustflags = [
     "-C", "link-args=-sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sUSE_SDL_MIXER=2 -sUSE_OGG=1 -sUSE_SDL_GFX=2 -sUSE_SDL_TTF=2 -sSDL2_IMAGE_FORMATS=['png']",
     "-C", "link-args=--preload-file assets/game/",
 ]
+runner = "node"
 
 [target.'cfg(target_os = "linux")']
 rustflags = [
@@ -13,4 +14,4 @@ rustflags = [
     # By adding `-lz` here, we ensure it's passed to the linker after `libpng`,
     # which is required for the linker to correctly resolve symbols.
     "-C", "link-arg=-lz",
-]
+]

.github/workflows/audit.yaml

@@ -4,7 +4,7 @@ on: ["push", "pull_request"]
 
 env:
   CARGO_TERM_COLOR: always
-  RUST_TOOLCHAIN: 1.86.0
+  RUST_TOOLCHAIN: 1.88.0
 
 jobs:
   audit:

.github/workflows/build.yaml

@@ -5,15 +5,13 @@ on: ["push", "pull_request"]
 permissions:
   contents: write
 
-env:
-  RUST_TOOLCHAIN: 1.86.0
-
 jobs:
   build:
     name: Build (${{ matrix.target }})
     strategy:
       fail-fast: false
       matrix:
+        toolchain: [1.88.0]
         include:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
@@ -36,7 +34,7 @@ jobs:
         uses: dtolnay/rust-toolchain@master
         with:
           target: ${{ matrix.target }}
-          toolchain: ${{ env.RUST_TOOLCHAIN }}
+          toolchain: ${{ matrix.toolchain }}
 
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2
@@ -92,13 +90,13 @@ jobs:
         uses: pyodide/setup-emsdk@v15
         with:
           version: 3.1.43
-          actions-cache-folder: "emsdk-cache"
+          actions-cache-folder: "emsdk-cache-b"
 
       - name: Setup Rust (WASM32 Emscripten)
         uses: dtolnay/rust-toolchain@master
         with:
           target: wasm32-unknown-emscripten
-          toolchain: ${{ env.RUST_TOOLCHAIN }}
+          toolchain: 1.86.0 # we are unfortunately pinned to 1.86.0 for some reason, bulk-memory-opt related issues
 
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2

.github/workflows/coverage.yaml

@@ -43,11 +43,17 @@ jobs:
       - name: Install cargo-tarpaulin
         run: cargo install cargo-tarpaulin
 
+      # Note: We manually link zlib. This should be synchronized with the flags set for Linux in .cargo/config.toml.
       - name: Generate coverage report
-        run: cargo tarpaulin --out Html --output-dir coverage
+        run: |
+          cargo tarpaulin \
+            --out Lcov \
+            --output-dir coverage \
+            --rustflags="-C link-arg=-lz"
 
       - name: Upload coverage to Coveralls
         uses: coverallsapp/github-action@v2
         with:
-          files: ./coverage/tarpaulin-report.html
+          files: ./coverage/lcov.info
+          format: lcov
           allow-empty: false

.github/workflows/test.yaml

@@ -4,7 +4,7 @@ on: ["push", "pull_request"]
 
 env:
   CARGO_TERM_COLOR: always
-  RUST_TOOLCHAIN: 1.86.0
+  RUST_TOOLCHAIN: 1.88.0
 
 jobs:
   test:
@@ -19,7 +19,7 @@ jobs:
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ env.RUST_TOOLCHAIN }}
-          components: clippy
+          components: clippy, rustfmt
 
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2