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Merged
merged 20 commits into from
Oct 14, 2024
Merged

Rollup of 8 pull requests #131690

merged 20 commits into from
Oct 14, 2024

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Successful merges:

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

coolreader18 and others added 20 commits October 8, 2024 15:00
… format macro.

For example:
```rust
let s = "123";
println!({}, "sss", s);
```
Suggest:
`println!("{:?} {} {}", {}, "sss", s);`

fixes rust-lang#130170
…f_mut, r=dtolnay

Stabilize `Pin::as_deref_mut()`

Tracking issue: closes rust-lang#86918

Stabilizing the following API:

```rust
impl<Ptr: DerefMut> Pin<Ptr> {
    pub fn as_deref_mut(self: Pin<&mut Pin<Ptr>>) -> Pin<&mut Ptr::Target>;
}
```

I know that an FCP has not been started yet, but this isn't a very complex stabilization, and I'm hoping this can motivate an FCP to *get* started - this has been pending for a while and it's a very useful function when writing Future impls.

r? ``@jonhoo``
…nieu

Fix clobber_abi and disallow SVE-related registers in Arm64EC inline assembly

Currently `clobber_abi` in Arm64EC inline assembly is implemented using `InlineAsmClobberAbi::AArch64NoX18`, but broken since it attempts to clobber registers that cannot be used in Arm64EC: https://godbolt.org/z/r3PTrGz5r

```
error: cannot use register `x13`: x13, x14, x23, x24, x28, v16-v31 cannot be used for Arm64EC
 --> <source>:6:14
  |
6 |     asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags));
  |              ^^^^^^^^^^^^^^^^

error: cannot use register `x14`: x13, x14, x23, x24, x28, v16-v31 cannot be used for Arm64EC
 --> <source>:6:14
  |
6 |     asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags));
  |              ^^^^^^^^^^^^^^^^

<omitted the same errors for v16-v31>
```

Additionally, this disallows SVE-related registers per rust-lang#131332 (comment).

cc ``@dpaoliello``

r? ``@Amanieu``

``@rustbot`` label O-windows O-AArch64 +A-inline-assembly
…aheemdev

Update precondition tests (especially for zero-size access to null)

I don't much like the current way I've updated the precondition check helpers, but I couldn't come up with anything better. Ideas welcome.

I've organized `tests/ui/precondition-checks` mostly with one file per function that has `assert_unsafe_precondition` in it, with revisions that check each precondition. The important new test is `tests/ui/precondition-checks/zero-size-null.rs`.
Special treatment empty tuple when suggest adding a string literal in format macro.

For example:
```rust
let s = "123";
println!({}, "sss", s);
```
Suggest:
`println!("{:?} {} {}", {}, "sss", s);`

fixes rust-lang#130170
…astorino

Make some tweaks to extern block diagnostics

Self-explanatory. See the diagnostic changes; I hope they make them a bit more descriptive.

r? spastorino
…t, r=Amanieu

Fix AArch64InlineAsmReg::emit

Currently, this method uses `self as u32 - Self::x0 as u32` to get register index:
https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_target/src/asm/aarch64.rs#L204

However, this is incorrect for reasons explained in the following comment:
https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_codegen_llvm/src/asm.rs#L544-L549

r? ``@Amanieu``

``@rustbot`` label O-AArch64 +A-inline-assembly
compiletest: Document various parts of compiletest's `lib.rs`

This adds some much-needed comments to many of the items in compiletest's `lib.rs`, giving a better overview of how a compiletest invocation actually proceeds.

To make review easier I have refrained from renames or functional changes, though I couldn't resist getting rid of one obviously-redundant `Arc::clone` in `make_test_closure`.
…thar

Tag PRs affecting compiletest with `A-compiletest`
@rustbot rustbot added A-meta Area: Issues & PRs about the rust-lang/rust repository itself A-rustdoc-json Area: Rustdoc JSON backend A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Oct 14, 2024
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@bors r+ rollup=never p=9

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bors commented Oct 14, 2024

📌 Commit ac9b212 has been approved by matthiaskrgr

It is now in the queue for this repository.

@bors bors 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 Oct 14, 2024
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bors commented Oct 14, 2024

⌛ Testing commit ac9b212 with merge 1d45b2d...

bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 14, 2024
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#129424 (Stabilize `Pin::as_deref_mut()`)
 - rust-lang#131332 (Fix clobber_abi and disallow SVE-related registers in Arm64EC inline assembly)
 - rust-lang#131384 (Update precondition tests (especially for zero-size access to null))
 - rust-lang#131430 (Special treatment empty tuple when suggest adding a string literal in format macro.)
 - rust-lang#131550 (Make some tweaks to extern block diagnostics)
 - rust-lang#131667 (Fix AArch64InlineAsmReg::emit)
 - rust-lang#131679 (compiletest: Document various parts of compiletest's `lib.rs`)
 - rust-lang#131682 (Tag PRs affecting compiletest with `A-compiletest`)

Failed merges:

 - rust-lang#131496 (Stabilise `const_make_ascii`.)

r? `@ghost`
`@rustbot` modify labels: rollup
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bors commented Oct 14, 2024

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 14, 2024
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@bors treeclosed=1000 Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading

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A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
#4 [auth] library/ubuntu:pull token for registry-1.docker.io
#4 DONE 0.0s

#3 [internal] load metadata for docker.io/library/ubuntu:22.04
#3 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/ubuntu:22.04:
------
Dockerfile:1
--------------------
--------------------
   1 | >>> FROM ubuntu:22.04
   2 |     
   3 |     ARG DEBIAN_FRONTEND=noninteractive
--------------------
ERROR: failed to solve: ubuntu:22.04: failed to resolve source metadata for docker.io/library/ubuntu:22.04: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
#0 building with "boring_nobel" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.32kB done
#1 transferring dockerfile: 3.32kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/ubuntu:22.04
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/ubuntu:22.04:
------
Dockerfile:1
--------------------
--------------------
   1 | >>> FROM ubuntu:22.04
   2 |     
   3 |     ARG DEBIAN_FRONTEND=noninteractive
--------------------
ERROR: failed to solve: ubuntu:22.04: failed to resolve source metadata for docker.io/library/ubuntu:22.04: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
#0 building with "boring_nobel" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.32kB done
#1 transferring dockerfile: 3.32kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/ubuntu:22.04
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/ubuntu:22.04:
------
Dockerfile:1
--------------------
--------------------
   1 | >>> FROM ubuntu:22.04
   2 |     
   3 |     ARG DEBIAN_FRONTEND=noninteractive
--------------------
ERROR: failed to solve: ubuntu:22.04: failed to resolve source metadata for docker.io/library/ubuntu:22.04: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
#0 building with "boring_nobel" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.32kB done
#1 transferring dockerfile: 3.32kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/ubuntu:22.04
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/ubuntu:22.04:
------
Dockerfile:1
--------------------
--------------------
   1 | >>> FROM ubuntu:22.04
   2 |     
   3 |     ARG DEBIAN_FRONTEND=noninteractive
--------------------
ERROR: failed to solve: ubuntu:22.04: failed to resolve source metadata for docker.io/library/ubuntu:22.04: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
#0 building with "boring_nobel" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.32kB done
#1 transferring dockerfile: 3.32kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/ubuntu:22.04
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/ubuntu:22.04:
------
Dockerfile:1
--------------------
--------------------
   1 | >>> FROM ubuntu:22.04
   2 |     
   3 |     ARG DEBIAN_FRONTEND=noninteractive
--------------------
ERROR: failed to solve: ubuntu:22.04: failed to resolve source metadata for docker.io/library/ubuntu:22.04: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/ubuntu/manifests/sha256:58b87898e82351c6cf9cf5b9f3c20257bb9e2dcf33af051e12ce532d7f94e3fe: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
##[error]Process completed with exit code 1.
Post job cleanup.

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@bors r+ rollup=never p=9

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bors commented Oct 14, 2024

💡 This pull request was already approved, no need to approve it again.

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bors commented Oct 14, 2024

📌 Commit ac9b212 has been approved by matthiaskrgr

It is now in the queue for this repository.

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bors commented Oct 14, 2024

🌲 The tree is currently closed for pull requests below priority 1000. This pull request will be tested once the tree is reopened.

@bors bors 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 Oct 14, 2024
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A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
#4 [auth] library/centos:pull token for registry-1.docker.io
#4 DONE 0.0s

#3 [internal] load metadata for docker.io/library/centos:7
#3 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/centos:7:
------
Dockerfile:5
--------------------
--------------------
   3 |     # actually use newer APIs in rustc or std without a fallback. It's more
   4 |     # important that we match glibc for ELF symbol versioning.
   5 | >>> FROM centos:7
   6 |     
   7 |     WORKDIR /build
--------------------
ERROR: failed to solve: centos:7: failed to resolve source metadata for docker.io/library/centos:7: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (did you mean centos?)
#0 building with "hopeful_bhabha" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.22kB done
#1 transferring dockerfile: 3.22kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/centos:7
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/centos:7:
------
Dockerfile:5
--------------------
--------------------
   3 |     # actually use newer APIs in rustc or std without a fallback. It's more
   4 |     # important that we match glibc for ELF symbol versioning.
   5 | >>> FROM centos:7
   6 |     
   7 |     WORKDIR /build
--------------------
ERROR: failed to solve: centos:7: failed to resolve source metadata for docker.io/library/centos:7: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (did you mean centos?)
#0 building with "hopeful_bhabha" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.22kB done
#1 transferring dockerfile: 3.22kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/centos:7
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/centos:7:
------
Dockerfile:5
--------------------
--------------------
   3 |     # actually use newer APIs in rustc or std without a fallback. It's more
   4 |     # important that we match glibc for ELF symbol versioning.
   5 | >>> FROM centos:7
   6 |     
   7 |     WORKDIR /build
--------------------
ERROR: failed to solve: centos:7: failed to resolve source metadata for docker.io/library/centos:7: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (did you mean centos?)
#0 building with "hopeful_bhabha" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.22kB done
#1 transferring dockerfile: 3.22kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/centos:7
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/centos:7:
------
Dockerfile:5
--------------------
--------------------
   3 |     # actually use newer APIs in rustc or std without a fallback. It's more
   4 |     # important that we match glibc for ELF symbol versioning.
   5 | >>> FROM centos:7
   6 |     
   7 |     WORKDIR /build
--------------------
ERROR: failed to solve: centos:7: failed to resolve source metadata for docker.io/library/centos:7: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (did you mean centos?)
#0 building with "hopeful_bhabha" instance using docker-container driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 3.22kB done
#1 transferring dockerfile: 3.22kB done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/centos:7
#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit
 > [internal] load metadata for docker.io/library/centos:7:
------
Dockerfile:5
--------------------
--------------------
   3 |     # actually use newer APIs in rustc or std without a fallback. It's more
   4 |     # important that we match glibc for ELF symbol versioning.
   5 | >>> FROM centos:7
   6 |     
   7 |     WORKDIR /build
--------------------
ERROR: failed to solve: centos:7: failed to resolve source metadata for docker.io/library/centos:7: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/library/centos/manifests/sha256:be65f488b7764ad3638f236b7b515b3678369a5124c47b8d32916d6487418ea4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit (did you mean centos?)
##[error]Process completed with exit code 1.
Post job cleanup.

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@bors p=1010

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bors commented Oct 14, 2024

⌛ Testing commit ac9b212 with merge 9322d18...

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@bors treeclosed-

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bors commented Oct 14, 2024

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing 9322d18 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Oct 14, 2024
@bors bors merged commit 9322d18 into rust-lang:master Oct 14, 2024
3 of 7 checks passed
@rustbot rustbot added this to the 1.84.0 milestone Oct 14, 2024
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📌 Perf builds for each rolled up PR:

PR# Message Perf Build Sha
#129424 Stabilize Pin::as_deref_mut() a988f8011c9e1ecad9afb03cb7b17badd07f85fb (link)
#131332 Fix clobber_abi and disallow SVE-related registers in Arm64… 8b6d641cf0cab52e77672f7797301e88d6e7f723 (link)
#131384 Update precondition tests (especially for zero-size access … 0560c6a7d5a113866db501cf430e4c0f34f4afff (link)
#131430 Special treatment empty tuple when suggest adding a string … ba46fc13898e8214eb6beccd573fc2808be79839 (link)
#131550 Make some tweaks to extern block diagnostics b284fb94785657cf142ee88dfbcd7d74d5df7212 (link)
#131667 Fix AArch64InlineAsmReg::emit dd6dc1b8e0fb73e8ca8eca0a9dbe6628b6fb0b84 (link)
#131679 compiletest: Document various parts of compiletest's `lib.r… 08d3f07481e08d87bdc25115457d003e1c2fb58d (link)
#131682 Tag PRs affecting compiletest with A-compiletest 2d701f858d103ab27c22aa75d2fb951a2ac4e42e (link)

previous master: 17a19e684c

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

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Finished benchmarking commit (9322d18): comparison URL.

Overall result: ❌✅ regressions and improvements - please read the text below

Our benchmarks found a performance regression caused by this PR.
This might be an actual regression, but it can also be just noise.

Next Steps:

  • If the regression was expected or you think it can be justified,
    please write a comment with sufficient written justification, and add
    @rustbot label: +perf-regression-triaged to it, to mark the regression as triaged.
  • If you think that you know of a way to resolve the regression, try to create
    a new PR with a fix for the regression.
  • If you do not understand the regression or you think that it is just noise,
    you can ask the @rust-lang/wg-compiler-performance working group for help (members of this group
    were already notified of this PR).

@rustbot label: +perf-regression
cc @rust-lang/wg-compiler-performance

Instruction count

This is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.

mean range count
Regressions ❌
(primary)
0.4% [0.4%, 0.4%] 1
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-0.6% [-0.8%, -0.3%] 2
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) -0.2% [-0.8%, 0.4%] 3

Max RSS (memory usage)

Results (primary 6.5%, secondary 2.7%)

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)
9.5% [3.6%, 12.9%] 3
Regressions ❌
(secondary)
2.7% [2.7%, 2.8%] 2
Improvements ✅
(primary)
-2.4% [-2.4%, -2.4%] 1
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 6.5% [-2.4%, 12.9%] 4

Cycles

Results (primary -0.6%, secondary -2.1%)

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)
-0.6% [-0.6%, -0.6%] 1
Improvements ✅
(secondary)
-2.1% [-2.4%, -2.0%] 3
All ❌✅ (primary) -0.6% [-0.6%, -0.6%] 1

Binary size

Results (primary 0.0%, secondary 0.1%)

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)
0.1% [0.0%, 0.3%] 39
Regressions ❌
(secondary)
0.1% [0.0%, 0.4%] 13
Improvements ✅
(primary)
-0.2% [-0.4%, -0.0%] 13
Improvements ✅
(secondary)
-0.2% [-0.2%, -0.2%] 1
All ❌✅ (primary) 0.0% [-0.4%, 0.3%] 52

Bootstrap: 782.597s -> 781.98s (-0.08%)
Artifact size: 332.70 MiB -> 332.66 MiB (-0.01%)

@rustbot rustbot added the perf-regression Performance regression. label Oct 14, 2024
@pnkfelix
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  • regression to cargo opt-full; improvements to image and html5ever opt-full
  • briefly skimmed detailed results. nothing stood out.
  • not worth digging into further; marking as triaged

@rustbot label: +perf-regression-triaged

@rustbot rustbot added the perf-regression-triaged The performance regression has been triaged. label Oct 21, 2024
@matthiaskrgr matthiaskrgr deleted the rollup-mcau4ol branch January 25, 2025 09:13
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