diff --git a/src/test/bench/task-perf-word-count.rs b/src/test/bench/task-perf-word-count.rs
index 6948d34dc2a..0b84271f59d 100644
--- a/src/test/bench/task-perf-word-count.rs
+++ b/src/test/bench/task-perf-word-count.rs
@@ -75,7 +75,7 @@ mod map_reduce {
     tag reduce_proto { emit_val(int); done; ref; release; }
 
     fn start_mappers(ctrl: _chan[ctrl_proto], inputs: &[str]) -> [task_id] {
-        let tasks = [];
+        let tasks = ~[];
         for i: str  in inputs {
             tasks += ~[task::_spawn(bind map_task(ctrl, i))];
         }
@@ -178,7 +178,8 @@ mod map_reduce {
                   none. {
                     // log_err "creating new reducer for " + k;
                     let p = mk_port();
-                    tasks += [task::_spawn(bind reduce_task(k, p.mk_chan()))];
+                    tasks +=
+                        ~[task::_spawn(bind reduce_task(k, p.mk_chan()))];
                     c = p.recv();
                     reducers.insert(k, c);
                   }
diff --git a/src/test/compiletest/procsrv.rs b/src/test/compiletest/procsrv.rs
index a1a7fd3bd6b..27d6c33b945 100644
--- a/src/test/compiletest/procsrv.rs
+++ b/src/test/compiletest/procsrv.rs
@@ -185,17 +185,17 @@ fn append_lib_path(path: &str) { export_lib_path(util::make_new_path(path)); }
 fn export_lib_path(path: &str) { setenv(util::lib_path_env_var(), path); }
 
 fn clone_ivecstr(v: &[str]) -> [[u8]] {
-    let r = [];
+    let r = ~[];
     for t: str in ivec::slice(v, 0u, ivec::len(v)) {
-        r += [str::bytes(t)];
+        r += ~[str::bytes(t)];
     }
     ret r;
 }
 
 fn clone_ivecu8str(v: &[[u8]]) -> [str] {
-    let r = [];
+    let r = ~[];
     for t in ivec::slice(v, 0u, ivec::len(v)) {
-        r += [str::unsafe_from_bytes(t)];
+        r += ~[str::unsafe_from_bytes(t)];
     }
     ret r;
 }
diff --git a/src/test/run-pass/issue-687.rs b/src/test/run-pass/issue-687.rs
index ff7b1979dfe..433e45263b8 100644
--- a/src/test/run-pass/issue-687.rs
+++ b/src/test/run-pass/issue-687.rs
@@ -10,8 +10,8 @@ import std::comm::send;
 tag msg { closed; received([u8]); }
 
 fn producer(c: _chan[[u8]]) {
-    send(c, [1u8, 2u8, 3u8, 4u8]);
-    let empty: [u8] = [];
+    send(c, ~[1u8, 2u8, 3u8, 4u8]);
+    let empty: [u8] = ~[];
     send(c, empty);
 }
 
diff --git a/src/test/run-pass/ivec-tag.rs b/src/test/run-pass/ivec-tag.rs
index 65b6c6bd166..85a12599d39 100644
--- a/src/test/run-pass/ivec-tag.rs
+++ b/src/test/run-pass/ivec-tag.rs
@@ -8,8 +8,8 @@ import std::comm::mk_port;
 import std::comm::send;
 
 fn producer(c: _chan[[u8]]) {
-    send(c, [1u8, 2u8, 3u8, 4u8, 5u8, 6u8, 7u8,
-             8u8, 9u8, 10u8, 11u8, 12u8, 13u8 ]);
+    send(c, ~[1u8, 2u8, 3u8, 4u8, 5u8, 6u8, 7u8,
+              8u8, 9u8, 10u8, 11u8, 12u8, 13u8 ]);
 }
 
 fn main() {