diff --git a/src/libstd/arc.rs b/src/libstd/arc.rs
index a4d19b110d7..3a9fd36a05e 100644
--- a/src/libstd/arc.rs
+++ b/src/libstd/arc.rs
@@ -718,7 +718,7 @@ mod tests {
                 // send to other readers
                 for vec::each(reader_convos) |x| {
                     match *x {
-                        (rc, _) => rc.send(()),
+                        (ref rc, _) => rc.send(()),
                     }
                 }
             }
@@ -727,7 +727,7 @@ mod tests {
                 // complete handshake with other readers
                 for vec::each(reader_convos) |x| {
                     match *x {
-                        (_, rp) => rp.recv(),
+                        (_, ref rp) => rp.recv(),
                     }
                 }
                 wc1.send(()); // tell writer to try again
diff --git a/src/libstd/getopts.rs b/src/libstd/getopts.rs
index 3106ed953b1..0ee9c55898c 100644
--- a/src/libstd/getopts.rs
+++ b/src/libstd/getopts.rs
@@ -199,13 +199,21 @@ enum Fail_ {
 /// Convert a `fail_` enum into an error string
 fn fail_str(+f: Fail_) -> ~str {
     return match f {
-      ArgumentMissing(ref nm) => ~"Argument to option '" + *nm + ~"' missing.",
-      UnrecognizedOption(ref nm) => ~"Unrecognized option: '" + *nm + ~"'.",
-      OptionMissing(ref nm) => ~"Required option '" + *nm + ~"' missing.",
-      OptionDuplicated(ref nm) => ~"Option '" + *nm + ~"' given more than once.",
-      UnexpectedArgument(ref nm) => {
-        ~"Option " + *nm + ~" does not take an argument."
-      }
+        ArgumentMissing(ref nm) => {
+            ~"Argument to option '" + *nm + ~"' missing."
+        }
+        UnrecognizedOption(ref nm) => {
+            ~"Unrecognized option: '" + *nm + ~"'."
+        }
+        OptionMissing(ref nm) => {
+            ~"Required option '" + *nm + ~"' missing."
+        }
+        OptionDuplicated(ref nm) => {
+            ~"Option '" + *nm + ~"' given more than once."
+        }
+        UnexpectedArgument(ref nm) => {
+            ~"Option " + *nm + ~" does not take an argument."
+        }
     };
 }
 
@@ -476,7 +484,7 @@ mod tests {
         let opts = ~[reqopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"test"));
             assert (opt_str(m, ~"test") == ~"20");
           }
@@ -490,7 +498,7 @@ mod tests {
         let opts = ~[reqopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionMissing_),
+          Err(copy f) => check_fail_type(f, OptionMissing_),
           _ => fail
         }
     }
@@ -501,7 +509,7 @@ mod tests {
         let opts = ~[reqopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -512,7 +520,7 @@ mod tests {
         let opts = ~[reqopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -523,7 +531,7 @@ mod tests {
         let opts = ~[reqopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"t"));
             assert (opt_str(m, ~"t") == ~"20");
           }
@@ -537,7 +545,7 @@ mod tests {
         let opts = ~[reqopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionMissing_),
+          Err(copy f) => check_fail_type(f, OptionMissing_),
           _ => fail
         }
     }
@@ -548,7 +556,7 @@ mod tests {
         let opts = ~[reqopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -559,7 +567,7 @@ mod tests {
         let opts = ~[reqopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -572,7 +580,7 @@ mod tests {
         let opts = ~[optopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"test"));
             assert (opt_str(m, ~"test") == ~"20");
           }
@@ -586,7 +594,7 @@ mod tests {
         let opts = ~[optopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"test")),
+          Ok(copy m) => assert (!opt_present(m, ~"test")),
           _ => fail
         }
     }
@@ -597,7 +605,7 @@ mod tests {
         let opts = ~[optopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -608,7 +616,7 @@ mod tests {
         let opts = ~[optopt(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -619,7 +627,7 @@ mod tests {
         let opts = ~[optopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"t"));
             assert (opt_str(m, ~"t") == ~"20");
           }
@@ -633,7 +641,7 @@ mod tests {
         let opts = ~[optopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"t")),
+          Ok(copy m) => assert (!opt_present(m, ~"t")),
           _ => fail
         }
     }
@@ -644,7 +652,7 @@ mod tests {
         let opts = ~[optopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -655,7 +663,7 @@ mod tests {
         let opts = ~[optopt(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -668,7 +676,7 @@ mod tests {
         let opts = ~[optflag(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (opt_present(m, ~"test")),
+          Ok(copy m) => assert (opt_present(m, ~"test")),
           _ => fail
         }
     }
@@ -679,7 +687,7 @@ mod tests {
         let opts = ~[optflag(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"test")),
+          Ok(copy m) => assert (!opt_present(m, ~"test")),
           _ => fail
         }
     }
@@ -690,7 +698,7 @@ mod tests {
         let opts = ~[optflag(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => {
+          Err(copy f) => {
             log(error, fail_str(f));
             check_fail_type(f, UnexpectedArgument_);
           }
@@ -704,7 +712,7 @@ mod tests {
         let opts = ~[optflag(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -715,7 +723,7 @@ mod tests {
         let opts = ~[optflag(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (opt_present(m, ~"t")),
+          Ok(copy m) => assert (opt_present(m, ~"t")),
           _ => fail
         }
     }
@@ -726,7 +734,7 @@ mod tests {
         let opts = ~[optflag(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"t")),
+          Ok(copy m) => assert (!opt_present(m, ~"t")),
           _ => fail
         }
     }
@@ -737,7 +745,7 @@ mod tests {
         let opts = ~[optflag(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(ref m) => {
             // The next variable after the flag is just a free argument
 
             assert (m.free[0] == ~"20");
@@ -752,7 +760,7 @@ mod tests {
         let opts = ~[optflag(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, OptionDuplicated_),
+          Err(copy f) => check_fail_type(f, OptionDuplicated_),
           _ => fail
         }
     }
@@ -765,7 +773,7 @@ mod tests {
         let opts = ~[optmulti(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"test"));
             assert (opt_str(m, ~"test") == ~"20");
           }
@@ -779,7 +787,7 @@ mod tests {
         let opts = ~[optmulti(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"test")),
+          Ok(copy m) => assert (!opt_present(m, ~"test")),
           _ => fail
         }
     }
@@ -790,7 +798,7 @@ mod tests {
         let opts = ~[optmulti(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -801,7 +809,7 @@ mod tests {
         let opts = ~[optmulti(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
               assert (opt_present(m, ~"test"));
               assert (opt_str(m, ~"test") == ~"20");
               let pair = opt_strs(m, ~"test");
@@ -818,7 +826,7 @@ mod tests {
         let opts = ~[optmulti(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"t"));
             assert (opt_str(m, ~"t") == ~"20");
           }
@@ -832,7 +840,7 @@ mod tests {
         let opts = ~[optmulti(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => assert (!opt_present(m, ~"t")),
+          Ok(copy m) => assert (!opt_present(m, ~"t")),
           _ => fail
         }
     }
@@ -843,7 +851,7 @@ mod tests {
         let opts = ~[optmulti(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, ArgumentMissing_),
+          Err(copy f) => check_fail_type(f, ArgumentMissing_),
           _ => fail
         }
     }
@@ -854,7 +862,7 @@ mod tests {
         let opts = ~[optmulti(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (opt_present(m, ~"t"));
             assert (opt_str(m, ~"t") == ~"20");
             let pair = opt_strs(m, ~"t");
@@ -871,7 +879,7 @@ mod tests {
         let opts = ~[optmulti(~"t")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, UnrecognizedOption_),
+          Err(copy f) => check_fail_type(f, UnrecognizedOption_),
           _ => fail
         }
     }
@@ -882,7 +890,7 @@ mod tests {
         let opts = ~[optmulti(~"test")];
         let rs = getopts(args, opts);
         match rs {
-          Err(f) => check_fail_type(f, UnrecognizedOption_),
+          Err(copy f) => check_fail_type(f, UnrecognizedOption_),
           _ => fail
         }
     }
@@ -899,7 +907,7 @@ mod tests {
              optopt(~"notpresent")];
         let rs = getopts(args, opts);
         match rs {
-          Ok(m) => {
+          Ok(copy m) => {
             assert (m.free[0] == ~"prog");
             assert (m.free[1] == ~"free1");
             assert (opt_str(m, ~"s") == ~"20");
@@ -924,8 +932,8 @@ mod tests {
         let args = ~[~"-e", ~"foo", ~"--encrypt", ~"foo"];
         let opts = ~[optopt(~"e"), optopt(~"encrypt")];
         let matches = match getopts(args, opts) {
-          result::Ok(m) => m,
-          result::Err(_f) => fail
+          result::Ok(move m) => m,
+          result::Err(_) => fail
         };
         assert opts_present(matches, ~[~"e"]);
         assert opts_present(matches, ~[~"encrypt"]);
@@ -945,8 +953,8 @@ mod tests {
         let args = ~[~"-Lfoo"];
         let opts = ~[optmulti(~"L")];
         let matches = match getopts(args, opts) {
-          result::Ok(m) => m,
-          result::Err(_f) => fail
+          result::Ok(move m) => m,
+          result::Err(_) => fail
         };
         assert opts_present(matches, ~[~"L"]);
         assert opts_str(matches, ~[~"L"]) == ~"foo";
diff --git a/src/libstd/json.rs b/src/libstd/json.rs
index 9e53febb85f..059b5c22545 100644
--- a/src/libstd/json.rs
+++ b/src/libstd/json.rs
@@ -1133,7 +1133,7 @@ mod tests {
 
         for items.each |item| {
             match *item {
-                (key, value) => { d.insert(copy key, copy value); },
+                (copy key, copy value) => { d.insert(key, value); },
             }
         };
 
diff --git a/src/libstd/net_ip.rs b/src/libstd/net_ip.rs
index ad4eb9a0fa6..202ca548d6b 100644
--- a/src/libstd/net_ip.rs
+++ b/src/libstd/net_ip.rs
@@ -329,11 +329,11 @@ mod test {
     #[test]
     fn test_ip_ipv4_bad_parse() {
         match v4::try_parse_addr(~"b4df00d") {
-          result::Err(err_info) => {
+          result::Err(ref err_info) => {
             log(debug, fmt!("got error as expected %?", err_info));
             assert true;
           }
-          result::Ok(addr) => {
+          result::Ok(ref addr) => {
             fail fmt!("Expected failure, but got addr %?", addr);
           }
         }
@@ -342,11 +342,11 @@ mod test {
     #[ignore(target_os="win32")]
     fn test_ip_ipv6_bad_parse() {
         match v6::try_parse_addr(~"::,~2234k;") {
-          result::Err(err_info) => {
+          result::Err(ref err_info) => {
             log(debug, fmt!("got error as expected %?", err_info));
             assert true;
           }
-          result::Ok(addr) => {
+          result::Ok(ref addr) => {
             fail fmt!("Expected failure, but got addr %?", addr);
           }
         }
diff --git a/src/libstd/net_tcp.rs b/src/libstd/net_tcp.rs
index 011c7e6a0c7..017e2141b9e 100644
--- a/src/libstd/net_tcp.rs
+++ b/src/libstd/net_tcp.rs
@@ -703,8 +703,9 @@ fn listen_common(+host_ip: ip::IpAddr, port: uint, backlog: uint,
         stream_closed_po.recv();
         match kill_result {
           // some failure post bind/listen
-          Some(ref err_data) => result::Err(GenericListenErr(err_data.err_name,
-                                                           err_data.err_msg)),
+          Some(ref err_data) => result::Err(GenericListenErr(
+              err_data.err_name,
+              err_data.err_msg)),
           // clean exit
           None => result::Ok(())
         }
diff --git a/src/libstd/rope.rs b/src/libstd/rope.rs
index 1d88b89277d..3f10fdb2b1d 100644
--- a/src/libstd/rope.rs
+++ b/src/libstd/rope.rs
@@ -1239,7 +1239,7 @@ mod tests {
                         *x.content, x.byte_offset,
                         x.byte_offset + x.byte_len);
                   }
-                  node::Concat(x) => {
+                  node::Concat(ref x) => {
                     aux(str, x.left);
                     aux(str, x.right);
                   }
diff --git a/src/libstd/tempfile.rs b/src/libstd/tempfile.rs
index 84c04aa1bd7..37fcbf6f4ca 100644
--- a/src/libstd/tempfile.rs
+++ b/src/libstd/tempfile.rs
@@ -23,8 +23,8 @@ pub fn mkdtemp(tmpdir: &Path, suffix: &str) -> Option<Path> {
 fn test_mkdtemp() {
     let r = mkdtemp(&Path("."), "foobar");
     match r {
-        Some(p) => {
-            os::remove_dir(&p);
+        Some(ref p) => {
+            os::remove_dir(p);
             assert(str::ends_with(p.to_str(), "foobar"));
         }
         _ => assert(false)
diff --git a/src/libstd/test.rs b/src/libstd/test.rs
index cb69c60a1c2..9ea43177cea 100644
--- a/src/libstd/test.rs
+++ b/src/libstd/test.rs
@@ -124,7 +124,8 @@ fn run_tests_console(opts: &TestOpts,
             let noun = if st.total != 1u { ~"tests" } else { ~"test" };
             st.out.write_line(fmt!("\nrunning %u %s", st.total, noun));
           }
-          TeWait(ref test) => st.out.write_str(fmt!("test %s ... ", test.name)),
+          TeWait(ref test) => st.out.write_str(
+              fmt!("test %s ... ", test.name)),
           TeResult(copy test, result) => {
             match st.log_out {
                 Some(f) => write_log(f, result, &test),
@@ -490,7 +491,7 @@ mod tests {
     fn first_free_arg_should_be_a_filter() {
         let args = ~[~"progname", ~"filter"];
         let opts = match parse_opts(args) {
-          either::Left(o) => o,
+          either::Left(copy o) => o,
           _ => fail ~"Malformed arg in first_free_arg_should_be_a_filter"
         };
         assert ~"filter" == opts.filter.get();
@@ -500,7 +501,7 @@ mod tests {
     fn parse_ignored_flag() {
         let args = ~[~"progname", ~"filter", ~"--ignored"];
         let opts = match parse_opts(args) {
-          either::Left(o) => o,
+          either::Left(copy o) => o,
           _ => fail ~"Malformed arg in parse_ignored_flag"
         };
         assert (opts.run_ignored);
@@ -563,7 +564,7 @@ mod tests {
 
         for vec::each(pairs) |p| {
             match *p {
-                (a, b) => { assert (a == b.name); }
+                (ref a, ref b) => { assert (*a == b.name); }
             }
         }
     }
diff --git a/src/libstd/time.rs b/src/libstd/time.rs
index 2975d27e064..9f6f9b07737 100644
--- a/src/libstd/time.rs
+++ b/src/libstd/time.rs
@@ -978,7 +978,7 @@ mod tests {
         tzset();
 
         match strptime(~"", ~"") {
-          Ok(tm) => {
+          Ok(ref tm) => {
             assert tm.tm_sec == 0_i32;
             assert tm.tm_min == 0_i32;
             assert tm.tm_hour == 0_i32;
@@ -1000,8 +1000,8 @@ mod tests {
             == Err(~"Invalid time");
 
         match strptime(~"Fri Feb 13 15:31:30 2009", format) {
-          Err(e) => fail e,
-          Ok(tm) => {
+          Err(copy e) => fail e,
+          Ok(ref tm) => {
             assert tm.tm_sec == 30_i32;
             assert tm.tm_min == 31_i32;
             assert tm.tm_hour == 15_i32;
@@ -1019,8 +1019,8 @@ mod tests {
 
         fn test(s: &str, format: &str) -> bool {
             match strptime(s, format) {
-              Ok(tm) => tm.strftime(format) == str::from_slice(s),
-              Err(e) => fail e
+              Ok(ref tm) => tm.strftime(format) == str::from_slice(s),
+              Err(copy e) => fail e
             }
         }