CI: enable arbitrary try builds, take two

[Kobzol]

Fixed version of #124631, which hopefully won't completely break our CI this time 🤦‍♂️ Sorry once again. Only the last commit is new.

r? @pietroalbini

[matthiaskrgr]

@bors treeclosed-

[Kobzol]

This is the bug that caused the PR to run no jobs.

[emilyalbini]

Whoops.

[emilyalbini]

@bors r+ rollup=never

[bors]

📌 Commit b3e9060 has been approved by pietroalbini

It is now in the queue for this repository.

[bors]

⌛ Testing commit b3e9060 with merge 6f7e00a...

[bors]

☀️ Test successful - checks-actions
Approved by: pietroalbini
Pushing 6f7e00a to master...

[rust-timer]

Finished benchmarking commit (6f7e00a): comparison URL.

Overall result: ❌✅ regressions and improvements - no action needed

@rustbot label: -perf-regression

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
Regressions ❌ (secondary)	0.3%	[0.3%, 0.3%]	1
Improvements ✅ (primary)	-2.8%	[-2.8%, -2.8%]	1
Improvements ✅ (secondary)	-1.1%	[-1.1%, -1.1%]	1
All ❌✅ (primary)	-2.8%	[-2.8%, -2.8%]	1

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)	3.5%	[3.5%, 3.5%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

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)	-2.6%	[-2.6%, -2.6%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-2.6%	[-2.6%, -2.6%]	1

Binary size

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

Bootstrap: 673.974s -> 673.446s (-0.08%)
Artifact size: 315.95 MiB -> 315.79 MiB (-0.05%)