diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 933de9a..77dc459 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,9 +8,6 @@ on:
       - staging
       - trying
 
-env:
-  RUSTFLAGS: -Dwarnings
-
 jobs:
   build_and_test:
     name: Build and test
@@ -30,7 +27,7 @@ jobs:
     - uses: actions/checkout@master
 
     - name: Install alsa
-      run: sudo apt install alsa alsa-lib
+      run: sudo apt install alsa libasound2-dev
 
     - name: Install ${{ matrix.rust }}
       uses: actions-rs/toolchain@v1
@@ -45,10 +42,10 @@ jobs:
       uses: actions-rs/cargo@v1
       with:
         command: check
-        args: --all --bins --examples --tests --features decode-all
+        args: -p creek-core -p creek-decode-symphonia -p creek-encode-wav --tests --features decode-all
 
     - name: tests
       uses: actions-rs/cargo@v1
       with:
         command: test
-        args: --all
+        args: -p creek-core -p creek-decode-symphonia -p creek-encode-wav
diff --git a/decode_symphonia/src/lib.rs b/decode_symphonia/src/lib.rs
index d426e29..ebaaca8 100644
--- a/decode_symphonia/src/lib.rs
+++ b/decode_symphonia/src/lib.rs
@@ -387,7 +387,6 @@ mod tests {
 
 
         let (mut decoder, file_info) = decoder.unwrap();
-        println!("{:?}", file_info.num_frames);
 
         let mut data_block = DataBlock::new(1, block_size);
         unsafe {
@@ -400,7 +399,7 @@ mod tests {
 
         let first_frame = [
             0.0,
-            0.046873,
+            0.046875,
             0.09375,
             0.1484375,
             0.1953125,
@@ -435,7 +434,7 @@ mod tests {
 
         let samples = &mut data_block.block[0];
         for i in 0..samples.len() {
-            assert!(approx_eq!(f32, second_frame[i], samples[i], ulps = 2));
+            assert_approx_eq!(f32, second_frame[i], samples[i], ulps = 2);
         }
 
         let last_frame = [
@@ -459,7 +458,7 @@ mod tests {
         }
         let samples = &mut data_block.block[0];
         for i in 0..samples.len() {
-            assert!(approx_eq!(f32, last_frame[i], samples[i], ulps = 2));
+            assert_approx_eq!(f32, last_frame[i], samples[i], ulps = 2);
         }
 
         assert_eq!(decoder.current_frame, file_info.num_frames - 1);