Run try builds on EC2 by default

[Kobzol]

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This PR switches try builds to EC2 instances by default, while still giving us the option to do a try build on codebuild.

x64 Linux auto jobs are still using CodeBuild, for now.

This script can be used to test the configuration of the generated CI jobs locally:

#!/bin/bash

#export GITHUB_EVENT_NAME=pull_request
#export GITHUB_REF=refs/heads/pr/1
export GITHUB_EVENT_NAME=push
export GITHUB_REF=refs/heads/automation/bors/try
#export GITHUB_REF=refs/heads/automation/bors/auto

#export COMMIT_MESSAGE="try-job: dist-x86_64-linux-quick"
export COMMIT_MESSAGE="msg"
export GITHUB_RUN_ID=123
export GITHUB_RUN_ATTEMPT=1

cargo run --manifest-path src/ci/citool/Cargo.toml calculate-job-matrix

CI runs:

• @bors try - Run try builds on EC2 by default #160427 (comment) (59m)
• @bors try jobs=dist-x86_64-linux-quick: Run try builds on EC2 by default #160427 (comment) (1h 32m)
• @bors try jobs=dist-x86_64-linux-codebuild: Run try builds on EC2 by default #160427 (comment) (3h 6m)
• @bors try jobs=dist-x86_64-linux: Run try builds on EC2 by default #160427 (comment) (3h 6m)

r? @Mark-Simulacrum

[rustbot]

Warning

If you are changing how CI LLVM is built or linked, make sure to bump
src/bootstrap/download-ci-llvm-stamp.

cc @jieyouxu

[Kobzol]

@bors try

[Kobzol]

@rust-timer queue

[rust-bors]

☀️ Try build successful (CI)
Build commit: d1299d6 (d1299d6e2df0e918424d901c23a0b69b30ad18ee)
Base parent: 7c329d6 (7c329d6c76e11ca40c5673818ab0439c1be8962c)

[Kobzol]

@bors try jobs=dist-x86_64-linux-quick

[rust-timer]

Finished benchmarking commit (d1299d6): comparison URL.

Overall result: no relevant changes - no action needed

Benchmarking means the PR may be perf-sensitive. Consider adding rollup=never if this change is not fit for rolling up.

@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

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

Max RSS (memory usage)

Results (primary -2.1%, secondary -2.8%)

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

	mean	range	count
Regressions ❌ (primary)	0.4%	[0.4%, 0.4%]	1
Regressions ❌ (secondary)	0.4%	[0.4%, 0.4%]	1
Improvements ✅ (primary)	-4.7%	[-4.7%, -4.7%]	1
Improvements ✅ (secondary)	-6.0%	[-6.0%, -6.0%]	1
All ❌✅ (primary)	-2.1%	[-4.7%, 0.4%]	2

Cycles

Results (primary 0.4%, secondary 1.5%)

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

	mean	range	count
Regressions ❌ (primary)	0.8%	[0.4%, 2.2%]	11
Regressions ❌ (secondary)	2.1%	[0.4%, 14.1%]	10
Improvements ✅ (primary)	-1.1%	[-1.9%, -0.6%]	3
Improvements ✅ (secondary)	-1.0%	[-1.0%, -1.0%]	2
All ❌✅ (primary)	0.4%	[-1.9%, 2.2%]	14

Binary size

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

Bootstrap: 491.018s -> 490.201s (-0.17%)
Artifact size: 390.29 MiB -> 390.25 MiB (-0.01%)

[rust-bors]

☀️ Try build successful (CI)
Build commit: 9dca935 (9dca9354afd837f19f58b8b433941b397ba817ed)
Base parent: 7c329d6 (7c329d6c76e11ca40c5673818ab0439c1be8962c)

[Kobzol]

@bors try jobs=dist-x86_64-linux-quick-codebuild

[rust-bors]

☀️ Try build successful (CI)
Build commit: 46fa81a (46fa81ab42cbfc562da956c94cfe9dc63d360162)
Base parent: 7c329d6 (7c329d6c76e11ca40c5673818ab0439c1be8962c)

[Kobzol]

@bors try jobs=dist-x86_64-linux

[rust-bors]

☀️ Try build successful (CI)
Build commit: 516e3a8 (516e3a8804edd7923844e9ea930117fa411d713b)
Base parent: 7c329d6 (7c329d6c76e11ca40c5673818ab0439c1be8962c)

[Kobzol]

Okay, everything seems to work!

[Mark-Simulacrum]

@bors r+ rollup=never

[rust-bors]

📌 Commit 86e039f has been approved by Mark-Simulacrum

It is now in the queue for this repository.

[Mark-Simulacrum]

@bors rollup

Actually, I guess it's totally fine to roll this up...