diff --git a/.azure/azure-pipelines.yml b/.azure/azure-pipelines.yml
index 50ebcf1e24..2c36e99691 100644
--- a/.azure/azure-pipelines.yml
+++ b/.azure/azure-pipelines.yml
@@ -21,5 +21,7 @@ steps:
       rustc -Vv
       echo "##vso[task.prependpath]$HOME/.cargo/bin"
     displayName: Install Rust
+  - bash: RUSTFLAGS="-D warnings" cargo build --all-features
+    displayName: Build
   - bash: RUSTFLAGS="-D warnings" cargo test
     displayName: Run tests
diff --git a/src/commands/config.rs b/src/commands/config.rs
index c1f000d04d..5dfb28bf31 100644
--- a/src/commands/config.rs
+++ b/src/commands/config.rs
@@ -114,7 +114,7 @@ pub fn config(
         let key = v.to_string();
 
         if result.contains_key(&key) {
-            result.remove(&key);
+            result.swap_remove(&key);
             config::write_config(&result)?;
         } else {
             return Err(ShellError::string(&format!(
diff --git a/src/plugins/binaryview.rs b/src/plugins/binaryview.rs
index c321e8115c..a6b8df8990 100644
--- a/src/plugins/binaryview.rs
+++ b/src/plugins/binaryview.rs
@@ -435,7 +435,7 @@ pub fn view_contents_interactive(
     let cursor = cursor();
     let _ = cursor.show();
 
-    let screen = RawScreen::disable_raw_mode();
+    let _screen = RawScreen::disable_raw_mode();
 
     Ok(())
 }