Merge #2972

2972: Prevent child cargo process from messing with our stdin r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/ra_cargo_watch/src/lib.rs

@@ -343,6 +343,7 @@ impl WatchThread {
                 .args(&args)
                 .stdout(Stdio::piped())
                 .stderr(Stdio::null())
+                .stdin(Stdio::null())
                 .spawn()
                 .expect("couldn't launch cargo");