message: Ensure that sysroot build works with CARGO_TARGET_DIR set
diff: @@ -9,6 +9,9 @@ pushd ../ >/dev/null
  source ./scripts/config.sh
  popd >/dev/null
  +# We expect the target dir in the default location. Guard against the user changing it.
  +export CARGO_TARGET_DIR=target
  +
  # Cleanup for previous run
  # v Clean target dir except for build scripts and incremental cache
  rm -r target/*/{debug,release}/{build,deps,examples,libsysroot*,native} 2>/dev/null || true
  