Rollup of 11 pull requests

[Zalathar]

Successful merges:

• Add optional CI job to build the compiler with the parallel frontend #153726 (Add optional CI job to build the compiler with the parallel frontend)
• Don't add empty target features for target-cpu=native on macOS #153763 (Don't add empty target features for target-cpu=native on macOS)
• Fix some comments about dataflow analysis. #153432 (Fix some comments about dataflow analysis.)
• Fix LegacyKeyValueFormat report from docker build: pr #153529 (Fix LegacyKeyValueFormat report from docker build: pr)
• fix(query): Pass Query Key to value_from_cycle_error #153694 (fix(query): Pass Query Key to value_from_cycle_error)
• de-non_const Iterator trait methods #153708 (de-non_const Iterator trait methods)
• unused_macro_rules switched used and unused comments #153717 (unused_macro_rules switched used and unused comments)
• add test that an incomplete feature emits a warning #153736 (add test that an incomplete feature emits a warning)
• editorconfig: css uses tabs #153748 (editorconfig: css uses tabs)
• rustc-dev-guide subtree update #153750 (rustc-dev-guide subtree update)
• actually make the is-fn test test what it says it tests #153762 (actually make the is-fn test test what it says it tests)

r? @ghost

Create a similar rollup

[Zalathar]

Rollup of everything.

@bors r+ rollup=never p=5

[rust-bors]

📌 Commit 3d0b060 has been approved by Zalathar

It is now in the queue for this repository.

[rust-log-analyzer]

The job x86_64-rust-for-linux failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

/dev/sdb1        74G  4.1G   66G   6% /mnt
tmpfs           1.6G   12K  1.6G   1% /run/user/1001
================================================================================

/mnt is a mountpoint
Sufficient space available on /dev/sdb1 mounted at /mnt
##[group]Run src/ci/scripts/setup-environment.sh
src/ci/scripts/setup-environment.sh
shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
---
#17 DONE 0.6s
REPOSITORY                                   TAG               IMAGE ID       CREATED       SIZE
rust-ci                                      latest            76543fdb7fc4   2 days ago    867MB
ghcr.io/dependabot/dependabot-updater-core   latest            d00a8a1737cb   2 days ago    795MB
ghcr.io/github/github-mcp-server             latest            5b7da589d110   3 days ago    41.2MB
ghcr.io/github/gh-aw-mcpg                    latest            e688f4282ff9   5 days ago    55.6MB
ghcr.io/github/gh-aw-firewall/agent          latest            5945f42d165a   13 days ago   466MB
ghcr.io/github/gh-aw-firewall/api-proxy      latest            10edf0628fb2   13 days ago   169MB
ghcr.io/github/gh-aw-firewall/squid          latest            afdafa0746fa   2 weeks ago   231MB
ghcr.io/rust-lang/buildkit                   buildx-stable-1   84af6b03465f   5 weeks ago   235MB
The push refers to repository [ghcr.io/rust-lang/rust-ci]
44ecde6fe348: Preparing
573f3035e7c1: Preparing
c1bdc95f674d: Preparing
---
  RUSTDOC H rust/quote/lib.rs
  RUSTDOC H rust/syn/lib.rs
  RUSTDOC H rust/macros/lib.rs
  RUSTDOC H rust/pin-init/src/lib.rs
##[error]error: internal compiler error: compiler/rustc_middle/src/ty/typeck_results.rs:590:9: node HirId(DefId(0:9602 ~ core[3360]::iter::traits::iterator::Iterator::advance_by::{impl#0}).9) (type `I::Item`) cannot be placed in TypeckResults with hir_owner DefId(0:9599 ~ core[3360]::iter::traits::iterator::Iterator::advance_by)


thread 'rustc' (57228) panicked at compiler/rustc_middle/src/ty/typeck_results.rs:590:9:
Box<dyn Any>
stack backtrace:
   0: std::panicking::begin_panic::<rustc_errors::ExplicitBug>
   1: <rustc_errors::diagnostic::BugAbort as rustc_errors::diagnostic::EmissionGuarantee>::emit_producing_guarantee
   2: rustc_middle::util::bug::opt_span_bug_fmt::<rustc_span::span_encoding::Span>::{closure#0}
   3: rustc_middle::ty::context::tls::with_opt::<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}
   4: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_opt<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
   5: rustc_middle::util::bug::bug_fmt
   6: rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results::{closure#0}
   7: rustc_middle::ty::context::tls::with::<rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results::{closure#0}, !>::{closure#0}
   8: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with<rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results::{closure#0}, !>::{closure#0}, !>::{closure#0}
   9: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_context<rustc_middle::ty::context::tls::with<rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results::{closure#0}, !>::{closure#0}, !>::{closure#0}, !>
  10: rustc_middle::ty::context::tls::with::<rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results::{closure#0}, !>
  11: rustc_middle::ty::typeck_results::invalid_hir_id_for_typeck_results
  12: <rustc_middle::ty::typeck_results::TypeckResults>::qpath_res
  13: <rustdoc::html::render::span_map::SpanMapVisitor as rustc_hir::intravisit::Visitor>::visit_qpath
  14: rustc_hir::intravisit::walk_where_predicate::<rustdoc::html::render::span_map::SpanMapVisitor>
  15: rustc_hir::intravisit::walk_generics::<rustdoc::html::render::span_map::SpanMapVisitor>
  16: rustc_hir::intravisit::walk_item::<rustdoc::html::render::span_map::SpanMapVisitor>
  17: rustc_hir::intravisit::walk_stmt::<rustdoc::html::render::span_map::SpanMapVisitor>
  18: rustc_hir::intravisit::walk_expr::<rustdoc::html::render::span_map::SpanMapVisitor>
  19: rustc_hir::intravisit::walk_trait_item::<rustdoc::html::render::span_map::SpanMapVisitor>
  20: rustc_hir::intravisit::walk_item::<rustdoc::html::render::span_map::SpanMapVisitor>
  21: rustc_hir::intravisit::walk_mod::<rustdoc::html::render::span_map::SpanMapVisitor>
  22: rustc_hir::intravisit::walk_mod::<rustdoc::html::render::span_map::SpanMapVisitor>
  23: rustc_hir::intravisit::walk_mod::<rustdoc::html::render::span_map::SpanMapVisitor>
  24: rustc_hir::intravisit::walk_mod::<rustdoc::html::render::span_map::SpanMapVisitor>
  25: <rustdoc::html::render::context::Context>::init
  26: rustdoc::formats::renderer::run_format::<rustdoc::html::render::context::Context, rustdoc::main_args::{closure#2}::{closure#0}::{closure#1}::{closure#0}>
  27: <std::thread::local::LocalKey<core::cell::Cell<*const ()>>>::with::<rustc_middle::ty::context::tls::enter_context<<rustc_middle::ty::context::GlobalCtxt>::enter<rustc_interface::passes::create_and_enter_global_ctxt<(), rustdoc::main_args::{closure#2}::{closure#0}>::{closure#2}, ()>::{closure#1}, ()>::{closure#0}, ()>
  28: rustc_interface::passes::create_and_enter_global_ctxt::<(), rustdoc::main_args::{closure#2}::{closure#0}>
  29: rustc_interface::interface::run_compiler::<(), rustdoc::main_args::{closure#2}>::{closure#1}
  30: rustc_span::create_session_globals_then::<(), rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<(), rustdoc::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}::{closure#0}>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md

note: please make sure that you have updated to the latest nightly

note: please attach the file at `/checkout/obj/rfl/linux/rustc-ice-2026-03-12T11_18_29-57224.txt` to your bug report

note: rustc 1.96.0-nightly (c20420829 2026-03-12) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z binary_dep_depinfo=y -C panic=abort -C embed-bitcode=n -C lto=n -C force-unwind-tables=n -C codegen-units=1 -C symbol-mangling-version=v0 -C relocation-model=static -Z function-sections=n -C target-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2 -Z cf-protection=branch -C jump-tables=n -C target-cpu=x86-64 -Z tune-cpu=generic -C no-redzone=y -C code-model=kernel -Z function-return=thunk-extern -Z patchable-function-entry=16,16 -C opt-level=2 -C debug-assertions=n -C overflow-checks=y -Z unstable-options -C unsafe-allow-abi-mismatch=fixed-x18

query stack during panic:
end of query stack
error: aborting due to 1 previous error

make[2]: *** [rust/Makefile:200: rustdoc-core] Error 101
make[1]: *** [/checkout/obj/rfl/linux/Makefile:1858: rustdoc] Error 2
make: Leaving directory '/checkout/obj/rfl/linux'
make: *** [Makefile:248: __sub-make] Error 2
  local time: Thu Mar 12 11:18:30 UTC 2026
  network time: Thu, 12 Mar 2026 11:18:30 GMT
****************************************************************************
To find more information about this job, visit the following URL:
https://rustc-dev-guide.rust-lang.org/tests/rust-for-linux.html

For more information how to resolve CI failures of this job, visit this link.

[rust-bors]

💔 Test for c204208 failed: CI. Failed job:

• auto - x86_64-rust-for-linux (web logs, enhanced plaintext logs)

[rust-bors]

PR #153708, which is a member of this rollup, was unapproved.

[rust-bors]

PR #153708, which is a member of this rollup, was unapproved.

[JonathanBrouwer]

Oh we had some concurrency going on, oops
Given this error, I'm pretty sure it is #153708

cannot be placed in TypeckResults with hir_owner DefId(0:9599 ~ core[3360]::iter::traits::iterator::Iterator::advance_by)