Rollup merge of #22884 - japaric:obsolete, r=alexcrichton

 This is leftover from #21843

If you still have `|&:| {}` closures in your code, simply remove the `&:` part.

[breaking-change]

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/sys/unix/process2.rs b/src/libstd/sys/unix/process2.rs
index a7d0a864a08..1ae59139bc4 100644
--- a/src/libstd/sys/unix/process2.rs
+++ b/src/libstd/sys/unix/process2.rs
@@ -274,7 +274,7 @@ impl Process {
                 // 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<AnonPipe>, dst: c_int| {
+                let setup = |src: Option<AnonPipe>, dst: c_int| {
                     let src = match src {
                         None => {
                             let flags = if dst == libc::STDIN_FILENO {
diff --git a/src/libstd/sys/windows/process2.rs b/src/libstd/sys/windows/process2.rs
index d4c6e85489f..8a6a485cbbe 100644
--- a/src/libstd/sys/windows/process2.rs
+++ b/src/libstd/sys/windows/process2.rs
@@ -160,7 +160,7 @@ 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<AnonPipe>, slot: &mut HANDLE,
+            let set_fd = |fd: &Option<AnonPipe>, slot: &mut HANDLE,
                           is_stdin: bool| {
                 match *fd {
                     None => {