3 files changed, 4 insertions, 4 deletions
diff --git a/src/libcollectionstest/fmt.rs b/src/libcollectionstest/fmt.rs
index 9a9aa71b58b..abd1262dbf1 100644
--- a/src/libcollectionstest/fmt.rs
+++ b/src/libcollectionstest/fmt.rs
@@ -13,5 +13,5 @@ use std::fmt;
 #[test]
 fn test_format() {
     let s = fmt::format(format_args!("Hello, {}!", "world"));
-    assert_eq!(s.as_slice(), "Hello, world!");
+    assert_eq!(&s[..], "Hello, world!");
 }
diff --git a/src/libcollectionstest/slice.rs b/src/libcollectionstest/slice.rs
index 4168fe88a4b..24cafa9f1c6 100644
--- a/src/libcollectionstest/slice.rs
+++ b/src/libcollectionstest/slice.rs
@@ -59,7 +59,7 @@ fn test_from_elem() {
     // Test on-heap from_elem.
     v = vec![20; 6];
     {
-        let v = v.as_slice();
+        let v = &v[..];
         assert_eq!(v[0], 20);
         assert_eq!(v[1], 20);
         assert_eq!(v[2], 20);
diff --git a/src/libcollectionstest/str.rs b/src/libcollectionstest/str.rs
index 5cfa8009054..5b390befebe 100644
--- a/src/libcollectionstest/str.rs
+++ b/src/libcollectionstest/str.rs
@@ -1470,9 +1470,9 @@ fn test_split_strator() {
 fn test_str_default() {
     use std::default::Default;
 
-    fn t<S: Default + Str>() {
+    fn t<S: Default + AsRef<str>>() {
         let s: S = Default::default();
-        assert_eq!(s.as_slice(), "");
+        assert_eq!(s.as_ref(), "");
     }
 
     t::<&str>();