test pre-stabilization items on CI by lqd · Pull Request #157322 · rust-lang/rust

lqd · 2026-06-02T16:01:29Z

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This PR is part of MCP 996, and adds a new CI job dedicated to testing pre-stabilization items, with:

the new solver, to ensure it can build the standard library (moved from where I added it in test new solver on CI until stabilization #156146). Note this is not sufficient yet, as we also want to test bootstrapping soon, but it's currently broken and will have to wait for a followup PR.
the polonius alpha, by running UI tests under the polonius compare-mode

test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

lqd · 2026-06-08T13:20:21Z

@bors try jobs=x86_64-gnu-pre-stabilization

test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

rust-bors · 2026-06-08T14:25:56Z

☀️ Try build successful (CI)
Build commit: d8c4174 (d8c41744a5ac790c62c80391bd3a00b5ea71e7ec, parent: 06293ff2b120aecfc29f84b90a22a743a5b90fef)

rustbot · 2026-06-11T17:16:00Z

Warning

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

cc @jieyouxu

rustbot · 2026-06-11T17:16:03Z

r? @marcoieni

rustbot has assigned @marcoieni.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

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Owners of files modified in this PR: infra-ci
infra-ci expanded to Kobzol, Mark-Simulacrum, jdno, jieyouxu, marcoieni
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lqd · 2026-06-11T17:16:58Z

rust-lang/compiler-team#996 (comment) is accepted, this is ready to review.

r? @Kobzol or @marcoieni

rustbot · 2026-06-11T17:17:03Z

Kobzol is not on the review rotation at the moment.
They may take a while to respond.

Kobzol · 2026-06-11T17:54:23Z

Can you please add a doc_url to the job that either points to this file (on main), or to a rdg entry about this job? Since the latter does not exist, the former will be easier :)

To give a quick link that points to a bootstrap command to try locally when the job fails.

After that you can r=me.

rustbot · 2026-06-12T08:38:48Z

This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

lqd · 2026-06-12T10:01:05Z

(I force-pushed to fix a typo, but the job worked in the prior push)

- Moves the existing new solver stdlib testing to that job. Bootstrapping will also be need to be tested in the near future. - Also tests the polonius alpha, by running the UI tests under the polonius compare-mode

lqd · 2026-06-12T12:21:45Z

Thanks @jieyouxu for the doc!

Kobzol · 2026-06-12T12:25:18Z

Thank you both!

@bors r=kobzol,jieyouxu

Let's race a try build, just in case.

@bors try jobs=x86_64-gnu-pre-stabilization

rust-bors · 2026-06-12T12:25:21Z

📌 Commit 6e1de07 has been approved by kobzol,jieyouxu

It is now in the queue for this repository.

test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

jieyouxu

Thanks, this also seems reasonable to me

View changes since this review

jieyouxu · 2026-06-12T12:35:02Z

Also X-posted in #t-infra/announcements > Next solver / polonius alpha pre-stabilization CI job

rust-bors · 2026-06-12T13:01:39Z

☀️ Try build successful (CI)
Build commit: 50280fd (50280fdd16db377ba4c24225d37310b9d9d9455f, parent: 09a371361240e42b0d69438fd1179efcf212e576)

…=kobzol,jieyouxu test pre-stabilization items on CI This PR is part of [MCP 996](rust-lang/compiler-team#996), and adds a new CI job dedicated to testing pre-stabilization items, with: - the new solver, to ensure it can build the standard library (moved from where I added it in rust-lang#156146). Note this is not sufficient _yet_, as we also want to test bootstrapping soon, but it's currently broken and will have to wait for a followup PR. - the polonius alpha, by running UI tests under the polonius compare-mode

…uwer Rollup of 17 pull requests Successful merges: - #156950 (Staticlib rename internal symbols) - #157322 (test pre-stabilization items on CI) - #157490 (Add field-wise CoerceShared reborrow tests) - #157655 (Make Share::share final and improve docs) - #157688 (Create experimental test job `aarch64-apple-macos-26` for evaluating `macos-26` runner images) - #157796 (rustdoc: Some more lazy formatting) - #157069 (Test that you can't implement Unpin for a compiler-generated future using TAIT) - #157202 (add #[rustc_no_writable] to slice::get_unchecked_mut) - #157622 (Disable retagging for variadic arguments in const-eval) - #157684 (-Zassumptions-on-binders: insert empty assumptions when entering binders in the solver) - #157695 (Extend capabilities of `TypeFoldable_Generic`) - #157752 (Rename `errors.rs` file to `diagnostics.rs` (6/N)) - #157766 (interpret: avoid computing layout of sized raw pointee) - #157785 (fuchsia: Support AddressSanitizer on riscv64gc-unknown-fuchsia) - #157795 (revert 157013) - #157798 (Prevent approving PRs that wait for Crater or formal decisions) - #157803 (Rename `errors.rs` file to `diagnostics.rs` (7/N))

…=kobzol,jieyouxu test pre-stabilization items on CI This PR is part of [MCP 996](rust-lang/compiler-team#996), and adds a new CI job dedicated to testing pre-stabilization items, with: - the new solver, to ensure it can build the standard library (moved from where I added it in rust-lang#156146). Note this is not sufficient _yet_, as we also want to test bootstrapping soon, but it's currently broken and will have to wait for a followup PR. - the polonius alpha, by running UI tests under the polonius compare-mode

…uwer Rollup of 23 pull requests Successful merges: - #144220 (Add powerpc64-unknown-linux-gnuelfv2 target) - #153238 (debuginfo: slices are DW_TAG_array_type's) - #157112 (Update aarch64-unknown-freebsd target description) - #157322 (test pre-stabilization items on CI) - #157348 (Don't track cwd for `-Zremap-cwd-prefix` in incremental compilation) - #157490 (Add field-wise CoerceShared reborrow tests) - #157655 (Make Share::share final and improve docs) - #157672 (Region inference: Simplify initialisation of region values) - #157680 (Require `#[pin_v2]` for explicit pin-projection patterns) - #157688 (Create experimental test job `aarch64-apple-macos-26` for evaluating `macos-26` runner images) - #157796 (rustdoc: Some more lazy formatting) - #157818 (miri subtree update) - #157069 (Test that you can't implement Unpin for a compiler-generated future using TAIT) - #157079 (Don't recover `&raw EXPR` as a missing comma) - #157202 (add #[rustc_no_writable] to slice::get_unchecked_mut) - #157622 (Disable retagging for variadic arguments in const-eval) - #157684 (-Zassumptions-on-binders: insert empty assumptions when entering binders in the solver) - #157695 (Extend capabilities of `TypeFoldable_Generic`) - #157766 (interpret: avoid computing layout of sized raw pointee) - #157785 (fuchsia: Support AddressSanitizer on riscv64gc-unknown-fuchsia) - #157795 (revert 157013) - #157798 (Prevent approving PRs that wait for Crater or formal decisions) - #157803 (Rename `errors.rs` file to `diagnostics.rs` (7/N)) Failed merges: - #157752 (Rename `errors.rs` file to `diagnostics.rs` (6/N))

Rollup merge of #157322 - lqd:ci-new-solver-bootstrapping, r=kobzol,jieyouxu test pre-stabilization items on CI This PR is part of [MCP 996](rust-lang/compiler-team#996), and adds a new CI job dedicated to testing pre-stabilization items, with: - the new solver, to ensure it can build the standard library (moved from where I added it in #156146). Note this is not sufficient _yet_, as we also want to test bootstrapping soon, but it's currently broken and will have to wait for a followup PR. - the polonius alpha, by running UI tests under the polonius compare-mode

lqd force-pushed the ci-new-solver-bootstrapping branch from c99871d to 2ccb086 Compare June 2, 2026 16:18

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lqd force-pushed the ci-new-solver-bootstrapping branch 2 times, most recently from cf12d63 to a1e46bc Compare June 3, 2026 09:13

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rust-bors Bot pushed a commit that referenced this pull request Jun 4, 2026

Auto merge of #157322 - lqd:ci-new-solver-bootstrapping, r=<try>

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test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

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lqd force-pushed the ci-new-solver-bootstrapping branch from 7f7da58 to b0dae5c Compare June 8, 2026 13:19

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rust-bors Bot pushed a commit that referenced this pull request Jun 8, 2026

Auto merge of #157322 - lqd:ci-new-solver-bootstrapping, r=<try>

d8c4174

test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

lqd marked this pull request as ready for review June 11, 2026 17:15

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jun 11, 2026

rustbot assigned marcoieni Jun 11, 2026

rustbot assigned Kobzol and unassigned marcoieni Jun 11, 2026

lqd force-pushed the ci-new-solver-bootstrapping branch from b0dae5c to bbfa6fb Compare June 12, 2026 08:19

lqd mentioned this pull request Jun 12, 2026

Tracking issue for MCP 996: Test new solver and polonius alpha on CI #157780

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6 tasks

lqd force-pushed the ci-new-solver-bootstrapping branch from d2bc155 to 708f7c8 Compare June 12, 2026 10:00

jieyouxu reviewed Jun 12, 2026

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jieyouxu mentioned this pull request Jun 12, 2026

Start basic docs for pre-stabilization CI job rust-lang/rustc-dev-guide#2899

Merged

add pre-stabilization testing CI job

6e1de07

- Moves the existing new solver stdlib testing to that job. Bootstrapping will also be need to be tested in the near future. - Also tests the polonius alpha, by running the UI tests under the polonius compare-mode

lqd force-pushed the ci-new-solver-bootstrapping branch from 708f7c8 to 6e1de07 Compare June 12, 2026 12:20

rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 12, 2026

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rust-bors Bot pushed a commit that referenced this pull request Jun 12, 2026

Auto merge of #157322 - lqd:ci-new-solver-bootstrapping, r=<try>

50280fd

test pre-stabilization items on CI try-job: x86_64-gnu-pre-stabilization

jieyouxu approved these changes Jun 12, 2026

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JonathanBrouwer mentioned this pull request Jun 12, 2026

Rollup of 17 pull requests #157815

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This was referenced Jun 12, 2026

Rollup of 23 pull requests #157827

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Rollup of 23 pull requests #157828

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rust-bors Bot merged commit 460c711 into rust-lang:main Jun 12, 2026
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rustbot added this to the 1.98.0 milestone Jun 12, 2026

lqd deleted the ci-new-solver-bootstrapping branch June 13, 2026 05:28

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