fn_arg_sanity_check: fix panic message

[RalfJung]

The \n inside a raw string doesn't actually make a newline...

[rustbot]

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[jieyouxu]

Thanks! @bors r+ rollup

[bors]

📌 Commit 92af72d has been approved by jieyouxu

It is now in the queue for this repository.

[jieyouxu]

r? jieyouxu

[bors]

⌛ Testing commit 92af72d with merge 4cf5723...

[bors]

☀️ Test successful - checks-actions
Approved by: jieyouxu
Pushing 4cf5723 to master...

[rust-timer]

Finished benchmarking commit (4cf5723): comparison URL.

Overall result: ❌ regressions - ACTION NEEDED

Next Steps: If you can justify the regressions found in this perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please open an issue or create a new PR that fixes the regressions, add a comment linking to the newly created issue or PR, and then add the perf-regression-triaged label to this PR.

@rustbot label: +perf-regression
cc @rust-lang/wg-compiler-performance

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	0.8%	[0.8%, 0.9%]	4
Regressions ❌ (secondary)	0.5%	[0.2%, 1.5%]	19
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	0.8%	[0.8%, 0.9%]	4

Max RSS (memory usage)

Results (primary 4.7%, secondary 0.9%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	4.7%	[4.7%, 4.7%]	1
Regressions ❌ (secondary)	2.7%	[2.3%, 3.1%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.7%	[-2.7%, -2.7%]	1
All ❌✅ (primary)	4.7%	[4.7%, 4.7%]	1

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 667.011s -> 669.28s (0.34%)
Artifact size: 318.10 MiB -> 318.23 MiB (0.04%)

[RalfJung]

This just changes a string.^^ So that's all noise. Impressively large amounts of noise for such a change.

[jieyouxu]

@rustbot label: +perf-regression-triaged