Rollup of 9 pull requests

[matthiaskrgr]

Successful merges:

• Streamline some attr parsing APIs #141271 (Streamline some attr parsing APIs)
• Fix incorrect eq_unspanned in TokenStream #141570 (Fix incorrect eq_unspanned in TokenStream)
• coretests: move float tests from num to floats module and use a more flexible macro to generate them #141857 (coretests: move float tests from num to floats module and use a more flexible macro to generate them)
• remove f16: From<u16> #141893 (remove f16: From<u16>)
• Lightly tweak docs for BTree{Map,Set}::extract_if #141924 (Lightly tweak docs for BTree{Map,Set}::extract_if)
• exact_div: add tests #141939 (exact_div: add tests)
• Add more missing 2015 edition directives #141959 (Add more missing 2015 edition directives)
• redesign stage 0 std follow-ups part2 #142002 (redesign stage 0 std follow-ups part2)
• Improve some Visitor comments. #142007 (Improve some Visitor comments.)

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Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=5

[bors]

📌 Commit 182e9f6 has been approved by matthiaskrgr

It is now in the queue for this repository.

[matthiaskrgr]

@bors p=11 since we included the bootstrap fixes here

[bors]

⌛ Testing commit 182e9f6 with merge f9cb39b...

[rust-log-analyzer]

The job x86_64-gnu-aux failed! Check out the build log: (web) (plain)

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

1800 |         unsafe { intrinsics::powif128(self, n) }
     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unimplemented intrinsic: `powif128`
     |
     = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support
     = note: BACKTRACE on thread `floats::midpoin`:
     = note: inside `core::f128::<impl f128>::powi` at /checkout/library/core/src/num/f128.rs:1800:18: 1800:47
note: inside `floats::midpoint_large_magnitude::test_f128`
    --> library/coretests/tests/floats/mod.rs:402:44
     |
402  |                 let large = (2.0 as Float).powi(i);
     |                                            ^^^^^^^
note: inside closure
    --> library/coretests/tests/floats/mod.rs:127:27
     |
87   | / macro_rules! float_test {
88   | |     (
89   | |         name: $name:ident,
90   | |         attrs: {
...    |
125  | |             #[test]
     | |             ------- in this procedural macro expansion (#2)
126  | |             $( $( #[$f128_meta] )+ )?
127  | |             fn test_f128() {
     | |                           ^
...    |
165  | |     };
166  | | }
     | |_- in this expansion of `float_test!` (#1)
...
387  | / float_test! {
388  | |     name: midpoint_large_magnitude,
389  | |     attrs: {
390  | |         const: #[cfg(false)],
...    |
416  | | }
     | |_- in this macro invocation (#1)
     |
    ::: /checkout/library/core/src/macros/mod.rs:1675:5
     |
1675 |       pub macro test($item:item) {
     |       -------------- in this expansion of `#[test]` (#2)
note: inside `<{closure@library/coretests/tests/floats/mod.rs:127:13: 130:14} as std::ops::FnOnce<()>>::call_once - shim`
    --> /checkout/library/core/src/ops/function.rs:250:5
     |
250  |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: inside `<fn() -> std::result::Result<(), std::string::String> as std::ops::FnOnce<()>>::call_once - shim(fn() -> std::result::Result<(), std::string::String>)`
---

error: test failed, to rerun pass `-p coretests --test coretests`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/cargo-miri runner /checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/miri/x86_64-unknown-linux-gnu/debug/deps/coretests-41766f620c5c8ff7 -Z unstable-options --format json` (exit status: 1)
note: test exited abnormally; to see the full output pass --nocapture to the harness.
Build completed unsuccessfully in 0:16:46
make: *** [Makefile:53: check-aux] Error 1
  local time: Wed Jun  4 14:13:47 UTC 2025
  network time: Wed, 04 Jun 2025 14:13:47 GMT
##[error]Process completed with exit code 2.
Post job cleanup.

[bors]

💔 Test failed - checks-actions