fmt: Use the same rustfmt.toml everywhere

It isn't worth keeping a separate rustfmt.toml only for ctest, so switch
to using the vertical formatting everywhere.

(backport <rust-lang#4842>)
(cherry picked from commit 04ab55d)

Author: tgross35

src/rustfmt.toml renamed to .rustfmt.toml

@@ -1,4 +1,3 @@
-# Note that there is a separate top-level configuration for everything else
 edition = "2021"
 error_on_line_overflow = true
 group_imports = "StdExternalCrate"

build.rs

@@ -1,5 +1,11 @@
-use std::process::{Command, Output};
-use std::{env, str};
+use std::process::{
+    Command,
+    Output,
+};
+use std::{
+    env,
+    str,
+};
 
 // List of cfgs this build script is allowed to set. The list is needed to support check-cfg, as we
 // need to know all the possible cfgs that this script will set. If you need to set another cfg

ci/ios/deploy_and_run_on_ios_simulator.rs

@@ -6,11 +6,17 @@
 // (https://github.com/snipsco/dinghy): cargo dinghy install, then cargo dinghy
 // test.
 
-use std::fs::{self, File};
+use std::fs::{
+    self,
+    File,
+};
 use std::io::Write;
 use std::path::Path;
 use std::process::Command;
-use std::{env, process};
+use std::{
+    env,
+    process,
+};
 
 macro_rules! t {
     ($e:expr) => {

ci/runtest-android.rs

@@ -1,5 +1,8 @@
 use std::env;
-use std::path::{Path, PathBuf};
+use std::path::{
+    Path,
+    PathBuf,
+};
 use std::process::Command;
 
 fn main() {

libc-test/build.rs

@@ -2,9 +2,20 @@
 #![allow(clippy::match_like_matches_macro)]
 
 use std::fs::File;
-use std::io::{BufRead, BufReader, BufWriter, Write};
-use std::path::{Path, PathBuf};
-use std::{env, io};
+use std::io::{
+    BufRead,
+    BufReader,
+    BufWriter,
+    Write,
+};
+use std::path::{
+    Path,
+    PathBuf,
+};
+use std::{
+    env,
+    io,
+};
 
 fn do_cc() {
     let target = env::var("TARGET").unwrap();

libc-test/tests/cmsg.rs

@@ -6,7 +6,14 @@ mod t {
 
     use std::mem;
 
-    use libc::{self, c_uchar, c_uint, c_void, cmsghdr, msghdr};
+    use libc::{
+        self,
+        c_uchar,
+        c_uint,
+        c_void,
+        cmsghdr,
+        msghdr,
+    };
 
     extern "C" {
         pub fn cmsg_firsthdr(msgh: *const msghdr) -> *mut cmsghdr;

libc-test/tests/errqueue.rs

@@ -2,7 +2,11 @@
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
 mod t {
-    use libc::{self, sock_extended_err, sockaddr};
+    use libc::{
+        self,
+        sock_extended_err,
+        sockaddr,
+    };
 
     extern "C" {
         pub fn so_ee_offender(ee: *const sock_extended_err) -> *mut sockaddr;

libc-test/tests/makedev.rs

@@ -13,7 +13,11 @@
     target_os = "cygwin",
 ))]
 
-use libc::{self, c_uint, dev_t};
+use libc::{
+    self,
+    c_uint,
+    dev_t,
+};
 
 cfg_if::cfg_if! {
     if #[cfg(any(target_os = "solaris", target_os = "illumos"))] {

libc-test/tests/style.rs

@@ -14,7 +14,10 @@ pub mod style_lib;
 use std::env;
 use std::path::Path;
 
-use style_lib::{Result, StyleChecker};
+use style_lib::{
+    Result,
+    StyleChecker,
+};
 
 /// Relative to `src/`.
 const SKIP_PREFIXES: &[&str] = &[

libc-test/tests/style_lib/mod.rs

@@ -28,13 +28,26 @@
 use std::collections::HashMap;
 use std::fs;
 use std::ops::Deref;
-use std::path::{Path, PathBuf};
-
-use annotate_snippets::{Level, Renderer, Snippet};
+use std::path::{
+    Path,
+    PathBuf,
+};
+
+use annotate_snippets::{
+    Level,
+    Renderer,
+    Snippet,
+};
 use proc_macro2::Span;
-use syn::parse::{Parse, ParseStream};
+use syn::parse::{
+    Parse,
+    ParseStream,
+};
 use syn::spanned::Spanned;
-use syn::visit::{self, Visit};
+use syn::visit::{
+    self,
+    Visit,
+};
 use syn::Token;
 
 const ALLOWED_REPEATED_MACROS: &[&str] = &["s", "s_no_extra_traits", "s_paren"];