[BENCH] remove CacheCell and CacheRefCell aliases and directly use Lock and RwLock

[LorrensP-2158466]

Some changes from #158845 for benchmarking.

decided to change Mutex to datastructures::sync::Lock.

r? @petrochenkov

[mati865]

@bors try @rust-timer queue

[petrochenkov]

Even if there are minor regressions, we can merge this once the concerns about locking in macro scope compression (#158845 (comment)) are resolved.

[rust-bors]

☀️ Try build successful (CI)
Build commit: 798fc4c (798fc4c7778a8edd55282f90fd5f1f886488e775)
Base parent: 656a9da (656a9da186dacaf3bf8f7f7296a825d256cb4ae3)

[rust-timer]

Finished benchmarking commit (798fc4c): comparison URL.

Overall result: ❌✅ regressions and improvements - please read:

Benchmarking means the PR may be perf-sensitive. It's automatically marked not fit for rolling up. Overriding is possible but disadvised: it risks changing compiler perf.

Next, please: If you can, justify the regressions found in this try perf run in writing along with @rustbot label: +perf-regression-triaged. If not, fix the regressions and do another perf run. Neutral or positive results will clear the label automatically.

@bors rollup=never rustc-perf
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	0.4%	[0.1%, 1.5%]	42
Regressions ❌ (secondary)	0.2%	[0.1%, 0.2%]	12
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.1%	[-0.2%, -0.1%]	2
All ❌✅ (primary)	0.4%	[0.1%, 1.5%]	42

Max RSS (memory usage)

Results (primary 2.0%, secondary 0.5%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	2.0%	[2.0%, 2.0%]	1
Regressions ❌ (secondary)	4.3%	[2.8%, 6.8%]	5
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-5.8%	[-7.3%, -4.4%]	3
All ❌✅ (primary)	2.0%	[2.0%, 2.0%]	1

Cycles

Results (primary 0.6%, secondary 5.6%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	1.4%	[0.5%, 2.6%]	11
Regressions ❌ (secondary)	5.6%	[5.6%, 5.6%]	1
Improvements ✅ (primary)	-3.5%	[-3.6%, -3.4%]	2
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	0.6%	[-3.6%, 2.6%]	13

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 478.991s -> 480.615s (0.34%)
Artifact size: 403.45 MiB -> 404.22 MiB (0.19%)

[Kobzol]

(The tokio benchmark was added today and might be a bit noisy at the start)