staging.kernelci.org: build rustc-1.72

Build the rustc-1.72 Docker image on staging as the version is being
upgraded from 1.71.

Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>

Author: gctucker

staging.kernelci.org

@@ -232,8 +232,8 @@ cmd_docker() {
     ./kci docker $args gcc-10 kernelci --arch sparc
     # only x86 is useful for KUnit (for now)
     ./kci docker $args gcc-10 kunit kernelci --arch x86
-    # rustc-1.71 for linux-next
-    ./kci docker $args rustc-1.71 kselftest kernelci --arch x86
+    # latest rustc for linux-next and rust-for-linux
+    ./kci docker $args rustc-1.72 kselftest kernelci --arch x86
 
     # rootfs
     ./kci docker $args buildroot kernelci