run test with on default features (#109)

Author: KodrAus

ci/src/main.rs

@@ -14,6 +14,14 @@ fn main() {
         panic!("default test execution failed");
     }
 
+    // Run a build with no features
+    if !task::test(task::TestArgs {
+        default_features: false,
+        ..Default::default()
+    }) {
+        panic!("default test execution failed");
+    }
+
     // Run a set of permutations
     let failed = permute::all(&features)
         .into_iter()

ci/src/permute.rs

@@ -11,7 +11,7 @@ pub fn all<T>(input: &[T]) -> BTreeSet<BTreeSet<T>> where T: Ord + Eq + Clone {
 
     if input.len() > 1 {
         for t in input {
-            let mut p = input
+            let p = input
                 .iter()
                 .filter(|pt| *pt != t)
                 .cloned()