clippy: fix unused_trait_names lint

build.rs

@@ -7,7 +7,7 @@
 
 use std::env;
 use std::fs::File;
-use std::io::Write;
+use std::io::Write as _;
 use std::path::Path;
 
 pub fn main() {

fuzz/fuzz_targets/fuzz_cksum.rs

@@ -6,11 +6,11 @@
 
 #![no_main]
 use libfuzzer_sys::fuzz_target;
-use rand::Rng;
+use rand::Rng as _;
 use std::env::temp_dir;
 use std::ffi::OsString;
 use std::fs::{self, File};
-use std::io::Write;
+use std::io::Write as _;
 use std::process::Command;
 use uu_cksum::uumain;
 use uufuzz::{

fuzz/fuzz_targets/fuzz_cut.rs

@@ -8,7 +8,7 @@
 use libfuzzer_sys::fuzz_target;
 use uu_cut::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 use std::ffi::OsString;
 
 use uufuzz::{

fuzz/fuzz_targets/fuzz_dirname.rs

@@ -7,8 +7,8 @@
 use libfuzzer_sys::fuzz_target;
 use uu_dirname::uumain;
 
-use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::Rng as _;
+use rand::prelude::IndexedRandom as _;
 use std::ffi::OsString;
 
 use uufuzz::CommandResult;

fuzz/fuzz_targets/fuzz_echo.rs

@@ -3,7 +3,7 @@ use libfuzzer_sys::fuzz_target;
 use uu_echo::uumain;
 
 use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::prelude::IndexedRandom as _;
 use std::ffi::OsString;
 
 use uufuzz::CommandResult;

fuzz/fuzz_targets/fuzz_env.rs

@@ -10,7 +10,7 @@ use uu_env::uumain;
 
 use std::ffi::OsString;
 
-use rand::Rng;
+use rand::Rng as _;
 use uufuzz::{
     CommandResult, compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,
 };

fuzz/fuzz_targets/fuzz_expr.rs

@@ -8,8 +8,8 @@
 use libfuzzer_sys::fuzz_target;
 use uu_expr::uumain;
 
-use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::Rng as _;
+use rand::prelude::IndexedRandom as _;
 use std::{env, ffi::OsString};
 
 use uufuzz::CommandResult;

fuzz/fuzz_targets/fuzz_non_utf8_paths.rs

@@ -7,13 +7,13 @@
 
 #![no_main]
 use libfuzzer_sys::fuzz_target;
-use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::Rng as _;
+use rand::prelude::IndexedRandom as _;
 use std::collections::HashSet;
 use std::env::temp_dir;
 use std::ffi::{OsStr, OsString};
 use std::fs;
-use std::os::unix::ffi::{OsStrExt, OsStringExt};
+use std::os::unix::ffi::{OsStrExt as _, OsStringExt as _};
 use std::path::{Path, PathBuf};
 
 use uufuzz::{CommandResult, run_gnu_cmd};
@@ -146,7 +146,7 @@ fn setup_test_files() -> Result<(PathBuf, Vec<PathBuf>), std::io::Error> {
 
         // Try to create the file - this may fail on some filesystems
         if let Ok(mut file) = fs::File::create(&file_path) {
-            use std::io::Write;
+            use std::io::Write as _;
             let _ = writeln!(file, "test content for file {}", i);
             test_files.push(file_path);
         }

fuzz/fuzz_targets/fuzz_printf.rs

@@ -9,7 +9,7 @@ use libfuzzer_sys::fuzz_target;
 use uu_printf::uumain;
 
 use rand::Rng;
-use rand::seq::IndexedRandom;
+use rand::seq::IndexedRandom as _;
 use std::env;
 use std::ffi::OsString;
 

fuzz/fuzz_targets/fuzz_seq.rs

@@ -8,7 +8,7 @@
 use libfuzzer_sys::fuzz_target;
 use uu_seq::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 use std::ffi::OsString;
 
 use uufuzz::CommandResult;

fuzz/fuzz_targets/fuzz_seq_parse_number.rs

@@ -5,7 +5,7 @@
 #![no_main]
 
 use libfuzzer_sys::fuzz_target;
-use std::str::FromStr;
+use std::str::FromStr as _;
 use uu_seq::number::PreciseNumber;
 
 fuzz_target!(|data: &[u8]| {

fuzz/fuzz_targets/fuzz_sort.rs

@@ -8,7 +8,7 @@
 use libfuzzer_sys::fuzz_target;
 use uu_sort::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 use std::env;
 use std::ffi::OsString;
 

fuzz/fuzz_targets/fuzz_split.rs

@@ -8,7 +8,7 @@
 use libfuzzer_sys::fuzz_target;
 use uu_split::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 use std::ffi::OsString;
 
 use uufuzz::{

fuzz/fuzz_targets/fuzz_test.rs

@@ -8,8 +8,8 @@
 use libfuzzer_sys::fuzz_target;
 use uu_test::uumain;
 
-use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::Rng as _;
+use rand::prelude::IndexedRandom as _;
 use std::ffi::OsString;
 
 use uufuzz::CommandResult;

fuzz/fuzz_targets/fuzz_tr.rs

@@ -8,7 +8,7 @@ use libfuzzer_sys::fuzz_target;
 use std::ffi::OsString;
 use uu_tr::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 
 use uufuzz::{
     CommandResult, compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,

fuzz/fuzz_targets/fuzz_wc.rs

@@ -8,7 +8,7 @@
 use libfuzzer_sys::fuzz_target;
 use uu_wc::uumain;
 
-use rand::Rng;
+use rand::Rng as _;
 use std::ffi::OsString;
 
 use uufuzz::{

fuzz/uufuzz/examples/fuzzing_simulation.rs

@@ -3,7 +3,7 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-use rand::Rng;
+use rand::Rng as _;
 use std::ffi::OsString;
 use uufuzz::{generate_and_run_uumain, generate_random_string, run_gnu_cmd};
 

fuzz/uufuzz/examples/integration_testing.rs

@@ -8,7 +8,7 @@ use uufuzz::{generate_and_run_uumain, run_gnu_cmd};
 
 // Mock sort implementation for demonstration
 fn mock_sort_main(args: std::vec::IntoIter<OsString>) -> i32 {
-    use std::io::{self, Read};
+    use std::io::{self, Read as _};
 
     let args: Vec<OsString> = args.collect();
     let mut numeric_sort = false;

fuzz/uufuzz/examples/pipe_input.rs

@@ -4,7 +4,7 @@
 // file that was distributed with this source code.
 
 use std::ffi::OsString;
-use std::io::{self, Read};
+use std::io::{self, Read as _};
 use uufuzz::{compare_result, generate_and_run_uumain, run_gnu_cmd};
 
 // Mock cat implementation for demonstration

fuzz/uufuzz/src/lib.rs

@@ -9,13 +9,13 @@ use libc::{STDERR_FILENO, STDOUT_FILENO, close, dup, dup2, pipe};
 use pretty_print::{
     print_diff, print_end_with_status, print_or_empty, print_section, print_with_style,
 };
-use rand::Rng;
-use rand::prelude::IndexedRandom;
+use rand::Rng as _;
+use rand::prelude::IndexedRandom as _;
 use std::env::temp_dir;
 use std::ffi::OsString;
 use std::fs::File;
-use std::io::{Seek, SeekFrom, Write};
-use std::os::fd::{AsRawFd, RawFd};
+use std::io::{Seek as _, SeekFrom, Write as _};
+use std::os::fd::{AsRawFd as _, RawFd};
 use std::process::{Command, Stdio};
 use std::sync::atomic::Ordering;
 use std::sync::{Once, atomic::AtomicBool};

src/uu/arch/src/arch.rs

@@ -4,8 +4,8 @@
 // file that was distributed with this source code.
 
 use clap::Command;
-use platform_info::{PlatformInfo, PlatformInfoAPI, UNameAPI};
-use std::io::{Write, stdout};
+use platform_info::{PlatformInfo, PlatformInfoAPI as _, UNameAPI as _};
+use std::io::{Write as _, stdout};
 use uucore::error::{UResult, USimpleError};
 use uucore::translate;
 

src/uu/base32/src/base_common.rs

@@ -8,15 +8,15 @@
 use clap::{Arg, ArgAction, Command};
 use std::ffi::OsString;
 use std::fs::File;
-use std::io::{self, BufRead, BufReader, Write};
+use std::io::{self, BufRead, BufReader, Write as _};
 use std::path::{Path, PathBuf};
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::encoding::{
     BASE2LSBF, BASE2MSBF, Base32Wrapper, Base58Wrapper, Base64SimdWrapper, EncodingWrapper, Format,
     SupportsFastDecodeAndEncode, Z85Wrapper,
     for_base_common::{BASE32, BASE32HEX, BASE64URL, HEXUPPER_PERMISSIVE},
 };
-use uucore::error::{FromIo, UResult, USimpleError, UUsageError, strip_errno};
+use uucore::error::{FromIo as _, UResult, USimpleError, UUsageError, strip_errno};
 use uucore::format_usage;
 use uucore::translate;
 

src/uu/basename/src/basename.rs

@@ -8,9 +8,9 @@
 use clap::builder::ValueParser;
 use clap::{Arg, ArgAction, Command};
 use std::ffi::OsString;
-use std::io::{Write, stdout};
+use std::io::{Write as _, stdout};
 use std::path::PathBuf;
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::error::{UResult, UUsageError};
 use uucore::format_usage;
 use uucore::line_ending::LineEnding;

src/uu/cat/src/cat.rs

@@ -12,13 +12,13 @@ use clap::{Arg, ArgAction, Command};
 use memchr::memchr2;
 use std::ffi::OsString;
 use std::fs::{File, metadata};
-use std::io::{self, BufWriter, ErrorKind, IsTerminal, Read, Write};
+use std::io::{self, BufWriter, ErrorKind, IsTerminal as _, Read, Write};
 #[cfg(unix)]
 use std::os::fd::AsFd;
 #[cfg(unix)]
-use std::os::unix::fs::FileTypeExt;
+use std::os::unix::fs::FileTypeExt as _;
 use thiserror::Error;
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::error::UResult;
 use uucore::translate;
 use uucore::{fast_inc::fast_inc_one, format_usage};

src/uu/cat/src/platform/unix.rs

@@ -63,7 +63,7 @@ fn is_appending<F: AsFd>(file: &F) -> bool {
 mod tests {
     use crate::platform::unix::{is_appending, is_unsafe_overwrite};
     use std::fs::OpenOptions;
-    use std::io::{Seek, SeekFrom, Write};
+    use std::io::{Seek as _, SeekFrom, Write as _};
     use tempfile::NamedTempFile;
 
     #[test]

src/uu/chgrp/src/chgrp.rs

@@ -5,17 +5,17 @@
 
 // spell-checker:ignore (ToDO) COMFOLLOW Chowner RFILE RFILE's derefer dgid nonblank nonprint nonprinting
 
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::entries;
-use uucore::error::{FromIo, UResult, USimpleError};
+use uucore::error::{FromIo as _, UResult, USimpleError};
 use uucore::format_usage;
 use uucore::perms::{GidUidOwnerFilter, IfFrom, chown_base, options};
 use uucore::translate;
 
 use clap::{Arg, ArgAction, ArgMatches, Command};
 
 use std::fs;
-use std::os::unix::fs::MetadataExt;
+use std::os::unix::fs::MetadataExt as _;
 
 fn parse_gid_from_str(group: &str) -> Result<u32, String> {
     if let Some(gid_str) = group.strip_prefix(':') {

src/uu/chmod/src/chmod.rs

@@ -8,10 +8,10 @@
 use clap::{Arg, ArgAction, Command};
 use std::ffi::OsString;
 use std::fs;
-use std::os::unix::fs::{MetadataExt, PermissionsExt};
+use std::os::unix::fs::{MetadataExt as _, PermissionsExt as _};
 use std::path::{Path, PathBuf};
 use thiserror::Error;
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::error::{ExitCode, UError, UResult, USimpleError, UUsageError, set_exit_code};
 use uucore::fs::display_permissions_unix;
 use uucore::libc::mode_t;

src/uu/chown/src/chown.rs

@@ -5,18 +5,18 @@
 
 // spell-checker:ignore (ToDO) COMFOLLOW Passwd RFILE RFILE's derefer dgid duid groupname
 
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 pub use uucore::entries::{self, Group, Locate, Passwd};
 use uucore::format_usage;
 use uucore::perms::{GidUidOwnerFilter, IfFrom, chown_base, options};
 use uucore::translate;
 
-use uucore::error::{FromIo, UResult, USimpleError};
+use uucore::error::{FromIo as _, UResult, USimpleError};
 
 use clap::{Arg, ArgAction, ArgMatches, Command};
 
 use std::fs;
-use std::os::unix::fs::MetadataExt;
+use std::os::unix::fs::MetadataExt as _;
 
 fn parse_gid_uid_and_filter(matches: &ArgMatches) -> UResult<GidUidOwnerFilter> {
     let filter = if let Some(spec) = matches.get_one::<String>(options::FROM) {

src/uu/chroot/src/chroot.rs

@@ -10,11 +10,11 @@ use crate::error::ChrootError;
 use clap::{Arg, ArgAction, Command};
 use std::ffi::CString;
 use std::io::{Error, ErrorKind};
-use std::os::unix::prelude::OsStrExt;
-use std::os::unix::process::CommandExt;
+use std::os::unix::prelude::OsStrExt as _;
+use std::os::unix::process::CommandExt as _;
 use std::path::{Path, PathBuf};
 use std::process;
-use uucore::entries::{Locate, Passwd, grp2gid, usr2uid};
+use uucore::entries::{Locate as _, Passwd, grp2gid, usr2uid};
 use uucore::error::{UResult, UUsageError};
 use uucore::fs::{MissingHandling, ResolveMode, canonicalize};
 use uucore::libc::{self, chroot, setgid, setgroups, setuid};

src/uu/chroot/src/error.rs

@@ -7,7 +7,7 @@
 use std::io::Error;
 use std::path::PathBuf;
 use thiserror::Error;
-use uucore::display::Quotable;
+use uucore::display::Quotable as _;
 use uucore::error::UError;
 use uucore::libc;
 use uucore::translate;

src/uu/cksum/src/cksum.rs

@@ -6,10 +6,10 @@
 // spell-checker:ignore (ToDO) fname, algo, bitlen
 
 use std::ffi::OsStr;
-use std::io::{Write, stderr};
+use std::io::{Write as _, stderr};
 
 use clap::Command;
-use uu_checksum_common::{ChecksumCommand, checksum_main, default_checksum_app, options};
+use uu_checksum_common::{ChecksumCommand as _, checksum_main, default_checksum_app, options};
 
 use uucore::checksum::compute::OutputFormat;
 use uucore::checksum::{

src/uu/comm/src/comm.rs

@@ -8,10 +8,10 @@
 use std::cmp::Ordering;
 use std::ffi::OsString;
 use std::fs::{File, metadata};
-use std::io::{self, BufRead, BufReader, BufWriter, Read, StdinLock, Write, stdin};
+use std::io::{self, BufRead as _, BufReader, BufWriter, Read as _, StdinLock, Write, stdin};
 use std::path::Path;
-use uucore::display::Quotable;
-use uucore::error::{FromIo, UResult, USimpleError};
+use uucore::display::Quotable as _;
+use uucore::error::{FromIo as _, UResult, USimpleError};
 use uucore::format_usage;
 use uucore::fs::paths_refer_to_same_file;
 use uucore::line_ending::LineEnding;