std: unbox closures used in let bindings

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/sys/unix/process.rs b/src/libstd/sys/unix/process.rs
index 835f4279d9b..615e3a21bd0 100644
--- a/src/libstd/sys/unix/process.rs
+++ b/src/libstd/sys/unix/process.rs
@@ -195,7 +195,7 @@ impl Process {
                 // up /dev/null into that file descriptor. Otherwise, the first file
                 // descriptor opened up in the child would be numbered as one of the
                 // stdio file descriptors, which is likely to wreak havoc.
-                let setup = |src: Option<P>, dst: c_int| {
+                let setup = |&: src: Option<P>, dst: c_int| {
                     let src = match src {
                         None => {
                             let flags = if dst == libc::STDIN_FILENO {
diff --git a/src/libstd/sys/windows/process.rs b/src/libstd/sys/windows/process.rs
index 0c2c76077dd..b03c62395d1 100644
--- a/src/libstd/sys/windows/process.rs
+++ b/src/libstd/sys/windows/process.rs
@@ -162,7 +162,7 @@ impl Process {
             // Similarly to unix, we don't actually leave holes for the stdio file
             // descriptors, but rather open up /dev/null equivalents. These
             // equivalents are drawn from libuv's windows process spawning.
-            let set_fd = |fd: &Option<P>, slot: &mut HANDLE,
+            let set_fd = |&: fd: &Option<P>, slot: &mut HANDLE,
                           is_stdin: bool| {
                 match *fd {
                     None => {