Merge pull request #33743 from def-/pr-beta-nightly-rust

ci: Clean up Rust after beta run

Author: def-

ci/nightly/pipeline.template.yml

@@ -78,7 +78,7 @@ steps:
 
       - id: build-rust-latest-beta
         label: "Build with Latest Rust Beta"
-        command: bin/ci-builder run stable bash -c "curl https://sh.rustup.rs -sSf | sh -s -- -y && source /cargo/env && rustup install beta && rustup run beta cargo build --all-targets"
+        command: bin/ci-builder run stable ci/test/rust-beta-build.sh
         depends_on: []
         timeout_in_minutes: 60
         agents:

ci/test/rust-beta-build.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# Copyright Materialize, Inc. and contributors. All rights reserved.
+#
+# Use of this software is governed by the Business Source License
+# included in the LICENSE file at the root of this repository.
+#
+# As of the Change Date specified in that file, in accordance with
+# the Business Source License, use of this software will be governed
+# by the Apache License, Version 2.0.
+
+set -euo pipefail
+
+curl https://sh.rustup.rs -sSf | sh -s -- -y
+# shellcheck source=/dev/null
+source /cargo/env
+trap "rustup self uninstall -y" SIGTERM SIGINT EXIT
+rustup install beta
+rustup run beta cargo build --all-targets