add rustc to apt prerequisites
This was apparently an automatic install in the past rather than a
requirement. An apt upgrade on lab1 caused the pacakge to be removed.
Putting it here will mark it as a manual install and not auto remove it
in the future
Bypass-Presubmit-Reason: no presubmits
Change-Id: I96f2a46522142b54d45da4e7f6aefb1455234e64
diff --git a/install-prereqs.sh b/install-prereqs.sh
index fbdb1a2..28b640a 100755
--- a/install-prereqs.sh
+++ b/install-prereqs.sh
@@ -86,6 +86,7 @@
python3-pip
python3-venv
rsync
+ rustc
socat
srecord
texinfo
