diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 517ede1..2a1afe6 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -27,6 +27,8 @@ jobs:
         - os: windows-latest
           target: x86_64-pc-windows-msvc
     runs-on: ${{matrix.os}}
+    env:
+      RUSTFLAGS: "-D warnings"
     steps:
     - uses: actions/checkout@v2
     - name: Install Stable
@@ -43,8 +45,7 @@ jobs:
         cargo --version
         cargo clippy --version
     - name: Build
-      run: RUSTFLAGS="-D warnings" cargo build --all --verbose
-      shell: bash
+      run: cargo build --all --verbose
     - name: Test
       run: cargo test --all --verbose
     - name: Clippy
@@ -66,11 +67,24 @@ jobs:
       run: |
         cargo run --package update-readme toc
         git diff --no-ext-diff --quiet --exit-code
+    - name: Install `mdbook`
+      uses: peaceiris/actions-mdbook@v1
+      with:
+        mdbook-version: latest
+    - name: Build Book
+      run: mdbook build book --dest-dir ../www/book
+    - name: Deploy Book
+      if: github.ref == 'refs/heads/master'
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token:   ${{secrets.GITHUB_TOKEN}}
+        publish_branch: gh-pages
+        publish_dir:    ./www
     - name: Package
       id: package
       if: startsWith(github.ref, 'refs/tags/v')
-      run: ./bin/package ${{github.ref}} ${{matrix.os}} ${{matrix.target}}
       shell: bash
+      run: ./bin/package ${{github.ref}} ${{matrix.os}} ${{matrix.target}}
     - name: Publish
       uses: softprops/action-gh-release@v1
       if: startsWith(github.ref, 'refs/tags/v')
diff --git a/.github/workflows/www.yaml b/.github/workflows/www.yaml
deleted file mode 100644
index 5f813c8..0000000
--- a/.github/workflows/www.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: WWW
-
-on:
-  push:
-    branches:
-    - master
-  pull_request:
-    branches:
-    - master
-
-jobs:
-  all:
-    name: All
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Build
-        uses: peaceiris/actions-mdbook@v1
-        with:
-          mdbook-version: latest
-      - run: mdbook build book --dest-dir ../www/book
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        if:   github.ref == 'refs/heads/master'
-        with:
-          github_token:   ${{secrets.GITHUB_TOKEN}}
-          publish_branch: gh-pages
-          publish_dir:    ./www
diff --git a/src/subcommand/torrent/create.rs b/src/subcommand/torrent/create.rs
index f766893..a611eb4 100644
--- a/src/subcommand/torrent/create.rs
+++ b/src/subcommand/torrent/create.rs
@@ -1809,10 +1809,8 @@ Content Size  9 bytes
   fn populate_symlinks(env: &Env) {
     let dir = env.resolve("foo");
     let file_src = env.resolve("bar");
-    let file_link = env.resolve("foo/bar");
     let dir_src = env.resolve("dir-src");
     let dir_contents = dir_src.join("baz");
-    let dir_link = env.resolve("foo/dir");
     fs::create_dir(&dir_src).unwrap();
     fs::write(dir_contents, "baz").unwrap();
 
@@ -1820,6 +1818,8 @@ Content Size  9 bytes
     fs::write(file_src, "bar").unwrap();
     #[cfg(unix)]
     {
+      let file_link = env.resolve("foo/bar");
+      let dir_link = env.resolve("foo/dir");
       Command::new("ln")
         .arg("-s")
         .arg("../bar")
diff --git a/src/test_env.rs b/src/test_env.rs
index b3b2cc8..e481bfc 100644
--- a/src/test_env.rs
+++ b/src/test_env.rs
@@ -67,10 +67,12 @@ impl TestEnv {
     fs::create_dir(self.env.resolve(path)).unwrap();
   }
 
+  #[cfg(unix)]
   pub(crate) fn metadata(&self, path: impl AsRef<Path>) -> fs::Metadata {
     fs::metadata(self.env.resolve(path)).unwrap()
   }
 
+  #[cfg(unix)]
   pub(crate) fn set_permissions(&self, path: impl AsRef<Path>, permissions: fs::Permissions) {
     fs::set_permissions(self.env.resolve(path), permissions).unwrap();
   }