Make File::read_to_end less special

[kornelski]

Follow-up to #117925

[rustbot]

r? @m-ou-se

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[kornelski]

r? @fintelia

[rustbot]

Failed to set assignee to fintelia: invalid assignee

Note: Only org members with at least the repository "read" role, users with write permissions, or people who have commented on the PR may be assigned.

[m-ou-se]

@bors r+

[bors]

📌 Commit fee4992 has been approved by m-ou-se

It is now in the queue for this repository.

[bors]

⌛ Testing commit fee4992 with merge c9a7db6...

[bors]

☀️ Test successful - checks-actions
Approved by: m-ou-se
Pushing c9a7db6 to master...

[rust-timer]

Finished benchmarking commit (c9a7db6): 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)

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

Cycles

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)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.8%	[-2.8%, -2.8%]	1
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 637.11s -> 639.642s (0.40%)
Artifact size: 306.35 MiB -> 306.35 MiB (-0.00%)