Rollup of 8 pull requests

[GuillaumeGomez]

Successful merges:

• prevent uninitialized access in black_box for zero-sized-types #104110 (prevent uninitialized access in black_box for zero-sized-types)
• Mark trait_upcasting feature no longer incomplete. #104117 (Mark trait_upcasting feature no longer incomplete.)
• Suggest removing unnecessary . to use a floating point literal #104144 (Suggest removing unnecessary . to use a floating point literal)
• Migrate no result page link color to CSS variables #104250 (Migrate no result page link color to CSS variables)
• More accurately report error when formal and expected signature types differ #104261 (More accurately report error when formal and expected signature types differ)
• Add a reference to ilog2 in leading_zeros integer docs #104263 (Add a reference to ilog2 in leading_zeros integer docs)
• Remove the old ValidAlign name #104308 (Remove the old ValidAlign name)
• Fix non clickable source link #104319 (Fix non clickable source link)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[GuillaumeGomez]

@bors r+ p=8 rollup=never

[bors]

📌 Commit d532d67 has been approved by GuillaumeGomez

It is now in the queue for this repository.

[bors]

⌛ Testing commit d532d67 with merge cd12888...

[bors]

☀️ Test successful - checks-actions
Approved by: GuillaumeGomez
Pushing cd12888 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Perf Build Sha
#104319	fa91492e09fd311e2cb42dd14b16915f8dcce0e2
#104308	cd0fe22f58def5ec2f477fba622aab5e578c9fab
#104263	5c9b19d96a0f0945bd033b2764fea825421c17e0
#104261	447a9f6bc4ed942f0d5040e862f3e50c2a8e567f
#104250	9aa0f0f1d0847934a8d077d3b4ba092a8eee789f
#104144	9515726ab832b973e238723e0e04e396013f621f
#104117	fa3cefbd9b012900cd8393b833857e1dfbc16523
#104110	b303ab060bfe264268903dadaea0acf16cbaf27f

previous master: 8ef2485bd5

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

[rust-timer]

Finished benchmarking commit (cd12888): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

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

Max RSS (memory usage)

Results

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)	-	-	0
Regressions ❌ (secondary)	4.6%	[2.4%, 6.7%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-3.6%	[-3.6%, -3.6%]	1
All ❌✅ (primary)	-	-	0

Cycles

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