rust: Run rustfmt with some experimental options

+ Sort and group the imports
+ Normalize and format comments (100 characters width)

Command used:

$ cargo +nightly fmt --

Acked-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <marc@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

rust/cpacfinfo/src/main.rs

@@ -7,11 +7,11 @@ mod msa;
 mod query;
 mod stfle;
 
-use anyhow::bail;
-use anyhow::Result as anyhowRes;
-use clap::Parser;
 use std::io::ErrorKind;
 use std::result::Result::Ok;
+
+use anyhow::{bail, Result as anyhowRes};
+use clap::Parser;
 use utils::print_version;
 
 use crate::cli::{Cli, Format};

rust/cpacfinfo/src/msa.rs

@@ -2,11 +2,13 @@
 //
 // Copyright IBM Corp. 2024
 
-use crate::cli::Cli;
 use core::fmt::{Display, Formatter, Result};
+
 use serde::{Serialize, Serializer};
 use utils::HexSlice;
 
+use crate::cli::Cli;
+
 /// Number of total function codes (0 to 127)
 pub const NUMBER_FUNC_CODES: usize = 128;
 

rust/cpacfinfo/src/query.rs

@@ -3,15 +3,13 @@
 // Copyright IBM Corp. 2024
 
 use std::fs::File;
-use std::io::Error;
-use std::io::Read;
+use std::io::{Error, Read};
 use std::ops::Index;
 use std::result::Result;
 
 use zerocopy::FromBytes;
 
-use crate::msa::InstructionKind;
-use crate::msa::QueryAuthInfo;
+use crate::msa::{InstructionKind, QueryAuthInfo};
 
 /// Path to sysfs in which the query and qai informations are fetched from
 const SYSFS_PATH: &str = "/sys/devices/system/cpu/cpacf/";