Disable rust in Kythe builds for now

Test: CI
Change-Id: I015b2f9d4d6d30e52e97d4dd71aca43e1b5711ca
diff --git a/build_kzip.bash b/build_kzip.bash
index eeef7d4..e2155a8 100755
--- a/build_kzip.bash
+++ b/build_kzip.bash
@@ -35,8 +35,16 @@
 # sufficiently many files were generated.
 declare -r out="${OUT_DIR:-out}"
 
-# Build extraction files for C++ and Java. Build `merge_zips` which we use later.
-build/soong/soong_ui.bash --build-mode --all-modules --dir=$PWD -k merge_zips xref_cxx xref_java xref_rust
+# Build extraction files and `merge_zips` which we use later.
+kzip_targets=(
+  merge_zips
+  xref_cxx
+  xref_java
+  # TODO: b/286390153 - reenable rust
+  # xref_rust
+)
+
+build/soong/soong_ui.bash --build-mode --all-modules --skip-soong-tests --dir=$PWD -k "${kzip_targets[@]}"
 
 # Build extraction file for Go the files in build/{blueprint,soong} directories.
 declare -r abspath_out=$(realpath "${out}")
@@ -66,7 +74,6 @@
 (($kzip_count>100000)) || { printf "Too few kzip files were generated: %d\n" $kzip_count; exit 1; }
 
 # Pack
-# TODO(asmundak): this should be done by soong.
 declare -r allkzip="$KZIP_NAME.kzip"
 "$out/host/linux-x86/bin/merge_zips" "$DIST_DIR/$allkzip" @<(find "$out" -name '*.kzip')