Rollup of 8 pull requests

[matthiaskrgr]

Successful merges:

• References refer to allocated objects #116677 (References refer to allocated objects)
• Suppress unhelpful diagnostics for unresolved top level attributes #118533 (Suppress unhelpful diagnostics for unresolved top level attributes)
• Reject infinitely-sized reads from io::Repeat #119991 (Reject infinitely-sized reads from io::Repeat)
• Add support for custom JSON targets when using build-std. #120232 (Add support for custom JSON targets when using build-std.)
• Bump Fuchsia, build tests, and use 8 core bots #120358 (Bump Fuchsia, build tests, and use 8 core bots)
• raw pointer metadata API: data address -> data pointer #120424 (raw pointer metadata API: data address -> data pointer)
• Revert outdated version of "Add the wasm32-wasi-preview2 target" #120434 (Revert outdated version of "Add the wasm32-wasi-preview2 target")
• Fix footnote handling in rustdoc #120443 (Fixes footnote handling in rustdoc)

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@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=8

[bors]

📌 Commit 1ff326d has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 1ff326d with merge 4c57de4...

[rust-log-analyzer]

The job dist-android failed! Check out the build log: (web) (plain)

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

[RUSTC-TIMING] object test:false 4.379
error: `futex_condvar::Condvar::new` is not yet stable as a const fn
   --> library/std/src/sync/condvar.rs:127:26
    |
127 |         Condvar { inner: sys::Condvar::new() }
    |
    = help: const-stable functions can only call other const-stable functions

error: `futex_mutex::Mutex::new` is not yet stable as a const fn
error: `futex_mutex::Mutex::new` is not yet stable as a const fn
   --> library/std/src/sync/mutex.rs:230:24
    |
230 |         Mutex { inner: sys::Mutex::new(), poison: poison::Flag::new(), data: UnsafeCell::new(t) }
    |
    = help: const-stable functions can only call other const-stable functions

error: `sys_common::once::futex::Once::new` is not yet stable as a const fn
error: `sys_common::once::futex::Once::new` is not yet stable as a const fn
  --> library/std/src/sync/once.rs:76:23
   |
76 |         Once { inner: sys::Once::new() }
   |                       ^^^^^^^^^^^^^^^^
   |
   = help: const-stable functions can only call other const-stable functions

error: `futex_rwlock::RwLock::new` is not yet stable as a const fn
    |
    |
161 |         RwLock { inner: sys::RwLock::new(), poison: poison::Flag::new(), data: UnsafeCell::new(t) }
    |
    = help: const-stable functions can only call other const-stable functions

[RUSTC-TIMING] std test:false 2.642

[bors]

💔 Test failed - checks-actions