diff --git a/src/liballoc/benches/linked_list.rs b/src/liballoc/benches/linked_list.rs
index 29c5ad2bc6eb2..eedfbe4ca5869 100644
--- a/src/liballoc/benches/linked_list.rs
+++ b/src/liballoc/benches/linked_list.rs
@@ -48,7 +48,7 @@ fn bench_iter(b: &mut Bencher) {
     let v = &[0; 128];
     let m: LinkedList<_> = v.iter().cloned().collect();
     b.iter(|| {
-        assert!(m.iter().count() == 128);
+        assert_eq!(m.iter().count(), 128);
     })
 }
 #[bench]
@@ -56,7 +56,7 @@ fn bench_iter_mut(b: &mut Bencher) {
     let v = &[0; 128];
     let mut m: LinkedList<_> = v.iter().cloned().collect();
     b.iter(|| {
-        assert!(m.iter_mut().count() == 128);
+        assert_eq!(m.iter_mut().count(), 128);
     })
 }
 #[bench]
@@ -64,7 +64,7 @@ fn bench_iter_rev(b: &mut Bencher) {
     let v = &[0; 128];
     let m: LinkedList<_> = v.iter().cloned().collect();
     b.iter(|| {
-        assert!(m.iter().rev().count() == 128);
+        assert_eq!(m.iter().rev().count(), 128);
     })
 }
 #[bench]
@@ -72,6 +72,6 @@ fn bench_iter_mut_rev(b: &mut Bencher) {
     let v = &[0; 128];
     let mut m: LinkedList<_> = v.iter().cloned().collect();
     b.iter(|| {
-        assert!(m.iter_mut().rev().count() == 128);
+        assert_eq!(m.iter_mut().rev().count(), 128);
     })
 }
diff --git a/src/liballoc/benches/vec_deque_append.rs b/src/liballoc/benches/vec_deque_append.rs
index 78ec91d9e3e9b..d7bca727be812 100644
--- a/src/liballoc/benches/vec_deque_append.rs
+++ b/src/liballoc/benches/vec_deque_append.rs
@@ -28,7 +28,7 @@ fn main() {
     let l = durations.len();
     durations.sort();
 
-    assert!(BENCH_N % 2 == 0);
+    assert_eq!(BENCH_N % 2, 0);
     let median = (durations[(l / 2) - 1] + durations[l / 2]) / 2;
     println!(
         "\ncustom-bench vec_deque_append {:?} ns/iter\n",
diff --git a/src/librustc_codegen_ssa/back/rpath/tests.rs b/src/librustc_codegen_ssa/back/rpath/tests.rs
index e42a878d7e45e..37b238ae7c88d 100644
--- a/src/librustc_codegen_ssa/back/rpath/tests.rs
+++ b/src/librustc_codegen_ssa/back/rpath/tests.rs
@@ -20,7 +20,7 @@ fn test_minimize1() {
         "rpath2".to_string(),
         "rpath1".to_string()
     ]);
-    assert!(res == [
+    assert_eq!(res, [
         "rpath1",
         "rpath2",
     ]);
@@ -40,7 +40,7 @@ fn test_minimize2() {
         "4a".to_string(),
         "3".to_string()
     ]);
-    assert!(res == [
+    assert_eq!(res, [
         "1a",
         "2",
         "4a",
diff --git a/src/libstd/sys_common/bytestring.rs b/src/libstd/sys_common/bytestring.rs
index 429ecf6281b3e..9466a8aaf316a 100644
--- a/src/libstd/sys_common/bytestring.rs
+++ b/src/libstd/sys_common/bytestring.rs
@@ -41,6 +41,6 @@ mod tests {
         let expected = r#""\xF0hello,\tworld""#;
         let output = format!("{:?}", Helper(input));
 
-        assert!(output == expected);
+        assert_eq!(output, expected);
     }
 }
diff --git a/src/libtest/tests.rs b/src/libtest/tests.rs
index 880d02a28ff06..c3064e11e3e9d 100644
--- a/src/libtest/tests.rs
+++ b/src/libtest/tests.rs
@@ -73,7 +73,7 @@ pub fn do_not_run_ignored_tests() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res != TrOk);
+    assert_ne!(res, TrOk);
 }
 
 #[test]
@@ -92,7 +92,7 @@ pub fn ignored_tests_result_in_ignored() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res == TrIgnored);
+    assert_eq!(res, TrIgnored);
 }
 
 #[test]
@@ -113,7 +113,7 @@ fn test_should_panic() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res == TrOk);
+    assert_eq!(res, TrOk);
 }
 
 #[test]
@@ -134,7 +134,7 @@ fn test_should_panic_good_message() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res == TrOk);
+    assert_eq!(res, TrOk);
 }
 
 #[test]
@@ -157,7 +157,7 @@ fn test_should_panic_bad_message() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res == TrFailedMsg(format!("{} '{}'", failed_msg, expected)));
+    assert_eq!(res, TrFailedMsg(format!("{} '{}'", failed_msg, expected)));
 }
 
 #[test]
@@ -176,7 +176,7 @@ fn test_should_panic_but_succeeds() {
     let (tx, rx) = channel();
     run_test(&TestOpts::new(), false, desc, RunStrategy::InProcess, tx, Concurrent::No);
     let (_, res, _, _) = rx.recv().unwrap();
-    assert!(res == TrFailedMsg("test did not panic as expected".to_string()));
+    assert_eq!(res, TrFailedMsg("test did not panic as expected".to_string()));
 }
 
 fn report_time_test_template(report_time: bool) -> Option<TestExecTime> {
@@ -550,7 +550,7 @@ pub fn sort_tests() {
     ];
 
     for (a, b) in expected.iter().zip(filtered) {
-        assert!(*a == b.desc.name.to_string());
+        assert_eq!(*a, b.desc.name.to_string());
     }
 }
 
diff --git a/src/test/run-fail/panic.rs b/src/test/run-fail/panic.rs
index 95f20dedad26c..e4c064179cf06 100644
--- a/src/test/run-fail/panic.rs
+++ b/src/test/run-fail/panic.rs
@@ -1,4 +1,4 @@
 // error-pattern:1 == 2
 fn main() {
-    assert!(1 == 2);
+    assert_eq!(1, 2);
 }
diff --git a/src/test/ui/issues/issue-5927.rs b/src/test/ui/issues/issue-5927.rs
index 847936cc95402..fdb6d0bfe9faa 100644
--- a/src/test/ui/issues/issue-5927.rs
+++ b/src/test/ui/issues/issue-5927.rs
@@ -3,5 +3,5 @@ fn main() {
         x(1) => x(1) //~ ERROR cannot find tuple struct/variant `x` in this scope
         //~^ ERROR cannot find function `x` in this scope
     };
-    assert!(z == 3);
+    assert_eq!(z, 3);
 }
diff --git a/src/test/ui/mod/mod_file_correct_spans.rs b/src/test/ui/mod/mod_file_correct_spans.rs
index c42d2eaa7bd6d..62bc46d3a715a 100644
--- a/src/test/ui/mod/mod_file_correct_spans.rs
+++ b/src/test/ui/mod/mod_file_correct_spans.rs
@@ -3,6 +3,6 @@
 mod mod_file_aux;
 
 fn main() {
-    assert!(mod_file_aux::bar() == 10);
+    assert_eq!(mod_file_aux::bar(), 10);
     //~^ ERROR cannot find function `bar` in module `mod_file_aux`
 }