Rollup of 14 pull requests

[JohnTitor]

Successful merges:

• Recommend panic::resume_unwind instead of panicking. #80169 (Recommend panic::resume_unwind instead of panicking.)
• Add a std::io::read_to_string function #80217 (Add a std::io::read_to_string function)
• Add as_ref and as_mut methods for Bound #80444 (Add as_ref and as_mut methods for Bound)
• Remove unreachable panics from VecDeque::{front/back}[_mut] #80834 (Remove unreachable panics from VecDeque::{front/back}[_mut])
• Use Option::map_or instead of .map(..).unwrap_or(..) #80944 (Use Option::map_or instead of .map(..).unwrap_or(..))
• Deprecate-in-future the constants superceded by RFC 2700 #80958 (Deprecate-in-future the constants superceded by RFC 2700)
• Deprecate atomic::spin_loop_hint in favour of hint::spin_loop #80966 (Deprecate atomic::spin_loop_hint in favour of hint::spin_loop)
• Use better ICE message when no MIR is available #80969 (Use better ICE message when no MIR is available)
• Remove unstable deprecated Vec::remove_item #80972 (Remove unstable deprecated Vec::remove_item)
• Update books #80973 (Update books)
• Fixed incorrect doc comment #80980 (Fixed incorrect doc comment)
• Fix -Cpasses=list and llvm version print with -vV #80981 (Fix -Cpasses=list and llvm version print with -vV)
• Fix stabilisation version of slice_strip #80985 (Fix stabilisation version of slice_strip)
• llvm: Remove the unused context from CreateDebugLocation #80990 (llvm: Remove the unused context from CreateDebugLocation)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[JohnTitor]

@bors r+ rollup=never p=14

[bors]

📌 Commit 6ae4d31 has been approved by JohnTitor

[bors]

⌛ Testing commit 6ae4d31 with merge 6f3638e005f6839f00b785e0bd4e6d101b6e43de...

[rust-log-analyzer]

The job dist-various-2 failed! Check out the build log: (web) (plain)

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

[RUSTC-TIMING] core test:false 36.465
[RUSTC-TIMING] addr2line test:false 0.437
[RUSTC-TIMING] gimli test:false 5.984
[RUSTC-TIMING] object test:false 10.820
error: use of module `core::i64` that will be deprecated in a future Rust version: all constants in this module replaced by associated constants on `i64`
 --> library/std/src/sys/unix/process/zircon.rs:4:5
4 | use crate::i64;
  |     ^^^^^^^^^^
  |
  |
  = note: `-D deprecated-in-future` implied by `-D warnings`

error: use of constant `core::i64::MAX` that will be deprecated in a future Rust version: replaced by the `MAX` associated constant on this type
  --> library/std/src/sys/unix/process/zircon.rs:19:41
   |
19 | pub const ZX_TIME_INFINITE: zx_time_t = i64::MAX;

error: aborting due to 2 previous errors

[RUSTC-TIMING] std test:false 2.547
[RUSTC-TIMING] std test:false 2.547
error: could not compile `std`

To learn more, run the command again with --verbose.
command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "build" "--target" "x86_64-fuchsia" "-Zbinary-dep-depinfo" "-j" "16" "--release" "--locked" "--color" "always" "--features" "panic-unwind backtrace compiler-builtins-c" "--manifest-path" "/checkout/library/test/Cargo.toml" "--message-format" "json-render-diagnostics"
failed to run: /checkout/obj/build/bootstrap/debug/bootstrap dist --host= --target x86_64-fuchsia,aarch64-fuchsia,wasm32-unknown-unknown,wasm32-wasi,sparcv9-sun-solaris,x86_64-sun-solaris,x86_64-unknown-linux-gnux32,x86_64-fortanix-unknown-sgx,nvptx64-nvidia-cuda,armv7-unknown-linux-gnueabi,armv7-unknown-linux-musleabi,i686-unknown-freebsd
Build completed unsuccessfully in 0:16:54

[bors]

💔 Test failed - checks-actions