style(gc): rustfmt triggers.rs to unblock lint on main

[proggeramlug]

Summary

lint is red on main. #7161 landed with a rustfmt violation in the test it added, so cargo fmt --all -- --check fails — and that job is required for every PR, so every open PR is blocked until this lands.

Diff in crates/perry-runtime/src/gc/tests/triggers.rs:438:
 fn test_moving_loop_minor_off_by_default_7154() {
-    assert!(!enabled(None), "moving-loop minor must be OFF by default (#7154)");
+    assert!(
+        !enabled(None),
+        "moving-loop minor must be OFF by default (#7154)"
+    );

Reproduced against origin/main itself (5a06970b6), not against a branch:

git show origin/main:crates/perry-runtime/src/gc/tests/triggers.rs > /tmp/t.rs
rustfmt --edition 2021 --check /tmp/t.rs   # emits the diff above

Formatting only — the applied change is exactly rustfmt's output, no behaviour change and no other file touched. Found while rebasing #7179 onto the merged #7161.

Refs #7161.

Summary by CodeRabbit

• Chores
  • Unblocked lint checks by correcting a formatting violation.
  • No runtime behavior or user-facing functionality changed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: fbec9975-ebe5-43a6-a752-1519fa414748

📥 Commits

Reviewing files that changed from the base of the PR and between 5a06970 and 8f7847c.

📒 Files selected for processing (2)

• changelog.d/7180-fmt-lint-unblock.md
• crates/perry-runtime/src/gc/tests/triggers.rs

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📝 Walkthrough

Walkthrough

The change reformats one Rust assertion to satisfy rustfmt and adds a changelog entry. It does not change behavior or public declarations.

Changes

Lint formatting correction

Layer / File(s)	Summary
Reformat GC assertion crates/perry-runtime/src/gc/tests/triggers.rs, changelog.d/7180-fmt-lint-unblock.md	The default-off assertion now uses multiline formatting. The existing condition and failure message remain unchanged. The changelog records the formatting-only correction.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• PerryTS/perry#6724: Addresses a separate formatting-only lint issue in perry-runtime.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the rustfmt-only change that unblocks lint in triggers.rs.
Description check	✅ Passed	The description explains the problem, change, related issue, verification steps, and confirms that behavior is unchanged.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/7161-fmt-lint-unblock

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[proggeramlug]

Superseded by #7181 (identical rustfmt fix, merged minutes earlier — two agents found the blocker in parallel). Thanks — closing as duplicate.