Test fixes

clippy_dev/src/fmt.rs

@@ -100,10 +100,7 @@ pub fn run(check: bool, verbose: bool) {
 }
 
 fn format_command(program: impl AsRef<OsStr>, dir: impl AsRef<Path>, args: &[impl AsRef<OsStr>]) -> String {
-    let arg_display: Vec<_> = args
-        .iter()
-        .map(|a| escape(a.as_ref().to_string_lossy()).to_owned())
-        .collect();
+    let arg_display: Vec<_> = args.iter().map(|a| escape(a.as_ref().to_string_lossy())).collect();
 
     format!(
         "cd {} && {} {}",

tests/compile-test.rs

@@ -38,8 +38,7 @@ fn config(mode: &str, dir: PathBuf) -> compiletest::Config {
 
     let cfg_mode = mode.parse().expect("Invalid mode");
     if let Ok(name) = var::<&str>("TESTNAME") {
-        let s: String = name.to_owned();
-        config.filter = Some(s)
+        config.filter = Some(name)
     }
 
     if rustc_test_suite().is_some() {

tests/ui/crashes/auxiliary/proc_macro_crash.rs

@@ -30,7 +30,7 @@ pub fn macro_test(input_stream: TokenStream) -> TokenStream {
                 TokenTree::Ident(Ident::new("true", Span::call_site())),
                 TokenTree::Group(clause.clone()),
                 TokenTree::Ident(Ident::new("else", Span::call_site())),
-                TokenTree::Group(clause.clone()),
+                TokenTree::Group(clause),
             ])
         })),
     ])

tests/ui/escape_analysis.rs

@@ -1,5 +1,10 @@
 #![feature(box_syntax)]
-#![allow(clippy::borrowed_box, clippy::needless_pass_by_value, clippy::unused_unit)]
+#![allow(
+    clippy::borrowed_box,
+    clippy::needless_pass_by_value,
+    clippy::unused_unit,
+    clippy::redundant_clone
+)]
 #![warn(clippy::boxed_local)]
 
 #[derive(Clone)]

tests/ui/escape_analysis.stderr

@@ -1,19 +1,19 @@
 error: local variable doesn't need to be boxed here
-  --> $DIR/escape_analysis.rs:34:13
+  --> $DIR/escape_analysis.rs:39:13
    |
 LL | fn warn_arg(x: Box<A>) {
    |             ^
    |
    = note: `-D clippy::boxed-local` implied by `-D warnings`
 
 error: local variable doesn't need to be boxed here
-  --> $DIR/escape_analysis.rs:125:12
+  --> $DIR/escape_analysis.rs:130:12
    |
 LL | pub fn new(_needs_name: Box<PeekableSeekable<&()>>) -> () {}
    |            ^^^^^^^^^^^
 
 error: local variable doesn't need to be boxed here
-  --> $DIR/escape_analysis.rs:165:23
+  --> $DIR/escape_analysis.rs:170:23
    |
 LL |     fn closure_borrow(x: Box<A>) {
    |                       ^

tests/ui/map_clone.fixed

@@ -1,7 +1,7 @@
 // run-rustfix
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(clippy::iter_cloned_collect)]
-#![allow(clippy::clone_on_copy)]
+#![allow(clippy::clone_on_copy, clippy::redundant_clone)]
 #![allow(clippy::missing_docs_in_private_items)]
 #![allow(clippy::redundant_closure_for_method_calls)]
 

tests/ui/map_clone.rs

@@ -1,7 +1,7 @@
 // run-rustfix
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(clippy::iter_cloned_collect)]
-#![allow(clippy::clone_on_copy)]
+#![allow(clippy::clone_on_copy, clippy::redundant_clone)]
 #![allow(clippy::missing_docs_in_private_items)]
 #![allow(clippy::redundant_closure_for_method_calls)]
 

tests/ui/needless_pass_by_value.rs

@@ -4,7 +4,8 @@
     clippy::single_match,
     clippy::redundant_pattern_matching,
     clippy::many_single_char_names,
-    clippy::option_option
+    clippy::option_option,
+    clippy::redundant_clone
 )]
 
 use std::borrow::Borrow;

tests/ui/needless_pass_by_value.stderr

@@ -1,31 +1,31 @@
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:16:23
+  --> $DIR/needless_pass_by_value.rs:17:23
    |
 LL | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
    |                       ^^^^^^ help: consider changing the type to: `&[T]`
    |
    = note: `-D clippy::needless-pass-by-value` implied by `-D warnings`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:30:11
+  --> $DIR/needless_pass_by_value.rs:31:11
    |
 LL | fn bar(x: String, y: Wrapper) {
    |           ^^^^^^ help: consider changing the type to: `&str`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:30:22
+  --> $DIR/needless_pass_by_value.rs:31:22
    |
 LL | fn bar(x: String, y: Wrapper) {
    |                      ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:36:71
+  --> $DIR/needless_pass_by_value.rs:37:71
    |
 LL | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) {
    |                                                                       ^ help: consider taking a reference instead: `&V`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:48:18
+  --> $DIR/needless_pass_by_value.rs:49:18
    |
 LL | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
    |                  ^^^^^^^^^^^^^^^^^^^^^^
@@ -36,13 +36,13 @@ LL |     match *x {
    |
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:61:24
+  --> $DIR/needless_pass_by_value.rs:62:24
    |
 LL | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
    |                        ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:61:36
+  --> $DIR/needless_pass_by_value.rs:62:36
    |
 LL | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
    |                                    ^^^^^^^
@@ -55,19 +55,19 @@ LL |     let Wrapper(_) = *y; // still not moved
    |
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:77:49
+  --> $DIR/needless_pass_by_value.rs:78:49
    |
 LL | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
    |                                                 ^ help: consider taking a reference instead: `&T`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:79:18
+  --> $DIR/needless_pass_by_value.rs:80:18
    |
 LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
    |                  ^^^^^^ help: consider taking a reference instead: `&String`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:79:29
+  --> $DIR/needless_pass_by_value.rs:80:29
    |
 LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
    |                             ^^^^^^
@@ -81,13 +81,13 @@ LL |     let _ = t.to_string();
    |             ^^^^^^^^^^^^^
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:79:40
+  --> $DIR/needless_pass_by_value.rs:80:40
    |
 LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
    |                                        ^^^^^^^^ help: consider taking a reference instead: `&Vec<i32>`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:79:53
+  --> $DIR/needless_pass_by_value.rs:80:53
    |
 LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
    |                                                     ^^^^^^^^
@@ -101,61 +101,61 @@ LL |     let _ = v.to_owned();
    |             ^^^^^^^^^^^^
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:92:12
+  --> $DIR/needless_pass_by_value.rs:93:12
    |
 LL |         s: String,
    |            ^^^^^^ help: consider changing the type to: `&str`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:93:12
+  --> $DIR/needless_pass_by_value.rs:94:12
    |
 LL |         t: String,
    |            ^^^^^^ help: consider taking a reference instead: `&String`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:102:23
+  --> $DIR/needless_pass_by_value.rs:103:23
    |
 LL |     fn baz(&self, _u: U, _s: Self) {}
    |                       ^ help: consider taking a reference instead: `&U`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:102:30
+  --> $DIR/needless_pass_by_value.rs:103:30
    |
 LL |     fn baz(&self, _u: U, _s: Self) {}
    |                              ^^^^ help: consider taking a reference instead: `&Self`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:124:24
+  --> $DIR/needless_pass_by_value.rs:125:24
    |
 LL | fn bar_copy(x: u32, y: CopyWrapper) {
    |                        ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
    |
 help: consider marking this type as Copy
-  --> $DIR/needless_pass_by_value.rs:122:1
+  --> $DIR/needless_pass_by_value.rs:123:1
    |
 LL | struct CopyWrapper(u32);
    | ^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:130:29
+  --> $DIR/needless_pass_by_value.rs:131:29
    |
 LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
    |                             ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
    |
 help: consider marking this type as Copy
-  --> $DIR/needless_pass_by_value.rs:122:1
+  --> $DIR/needless_pass_by_value.rs:123:1
    |
 LL | struct CopyWrapper(u32);
    | ^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:130:45
+  --> $DIR/needless_pass_by_value.rs:131:45
    |
 LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
    |                                             ^^^^^^^^^^^
    |
 help: consider marking this type as Copy
-  --> $DIR/needless_pass_by_value.rs:122:1
+  --> $DIR/needless_pass_by_value.rs:123:1
    |
 LL | struct CopyWrapper(u32);
    | ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -168,13 +168,13 @@ LL |     let CopyWrapper(_) = *y; // still not moved
    |
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:130:61
+  --> $DIR/needless_pass_by_value.rs:131:61
    |
 LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
    |                                                             ^^^^^^^^^^^
    |
 help: consider marking this type as Copy
-  --> $DIR/needless_pass_by_value.rs:122:1
+  --> $DIR/needless_pass_by_value.rs:123:1
    |
 LL | struct CopyWrapper(u32);
    | ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -185,13 +185,13 @@ LL |     let CopyWrapper(s) = *z; // moved
    |
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:142:40
+  --> $DIR/needless_pass_by_value.rs:143:40
    |
 LL | fn some_fun<'b, S: Bar<'b, ()>>(_item: S) {}
    |                                        ^ help: consider taking a reference instead: `&S`
 
 error: this argument is passed by value, but not consumed in the function body
-  --> $DIR/needless_pass_by_value.rs:147:20
+  --> $DIR/needless_pass_by_value.rs:148:20
    |
 LL | fn more_fun(_item: impl Club<'static, i32>) {}
    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: consider taking a reference instead: `&impl Club<'static, i32>`

tests/ui/ptr_arg.rs

@@ -1,4 +1,4 @@
-#![allow(unused, clippy::many_single_char_names)]
+#![allow(unused, clippy::many_single_char_names, clippy::redundant_clone)]
 #![warn(clippy::ptr_arg)]
 
 use std::borrow::Cow;

tests/ui/question_mark.rs

@@ -104,7 +104,7 @@ fn main() {
     };
     move_struct.ref_func();
     move_struct.clone().mov_func_reuse();
-    move_struct.clone().mov_func_no_use();
+    move_struct.mov_func_no_use();
 
     let so = SeemsOption::Some(45);
     returns_something_similar_to_option(so);

tests/ui/swap.rs

@@ -1,5 +1,11 @@
 #![warn(clippy::all)]
-#![allow(clippy::blacklisted_name, clippy::no_effect, redundant_semicolon, unused_assignments)]
+#![allow(
+    clippy::blacklisted_name,
+    clippy::no_effect,
+    clippy::redundant_clone,
+    redundant_semicolon,
+    unused_assignments
+)]
 
 struct Foo(u32);
 

tests/ui/swap.stderr

@@ -1,5 +1,5 @@
 error: this looks like you are swapping elements of `foo` manually
-  --> $DIR/swap.rs:27:5
+  --> $DIR/swap.rs:33:5
    |
 LL | /     let temp = foo[0];
 LL | |     foo[0] = foo[1];
@@ -9,23 +9,23 @@ LL | |     foo[1] = temp;
    = note: `-D clippy::manual-swap` implied by `-D warnings`
 
 error: this looks like you are swapping elements of `foo` manually
-  --> $DIR/swap.rs:36:5
+  --> $DIR/swap.rs:42:5
    |
 LL | /     let temp = foo[0];
 LL | |     foo[0] = foo[1];
 LL | |     foo[1] = temp;
    | |_________________^ help: try: `foo.swap(0, 1)`
 
 error: this looks like you are swapping elements of `foo` manually
-  --> $DIR/swap.rs:45:5
+  --> $DIR/swap.rs:51:5
    |
 LL | /     let temp = foo[0];
 LL | |     foo[0] = foo[1];
 LL | |     foo[1] = temp;
    | |_________________^ help: try: `foo.swap(0, 1)`
 
 error: this looks like you are swapping `a` and `b` manually
-  --> $DIR/swap.rs:65:7
+  --> $DIR/swap.rs:71:7
    |
 LL |       ; let t = a;
    |  _______^
@@ -36,7 +36,7 @@ LL | |     b = t;
    = note: or maybe you should use `std::mem::replace`?
 
 error: this looks like you are swapping `c.0` and `a` manually
-  --> $DIR/swap.rs:74:7
+  --> $DIR/swap.rs:80:7
    |
 LL |       ; let t = c.0;
    |  _______^
@@ -47,7 +47,7 @@ LL | |     a = t;
    = note: or maybe you should use `std::mem::replace`?
 
 error: this looks like you are trying to swap `a` and `b`
-  --> $DIR/swap.rs:62:5
+  --> $DIR/swap.rs:68:5
    |
 LL | /     a = b;
 LL | |     b = a;
@@ -57,7 +57,7 @@ LL | |     b = a;
    = note: or maybe you should use `std::mem::replace`?
 
 error: this looks like you are trying to swap `c.0` and `a`
-  --> $DIR/swap.rs:71:5
+  --> $DIR/swap.rs:77:5
    |
 LL | /     c.0 = a;
 LL | |     a = c.0;

tests/ui/unnecessary_clone.rs

@@ -1,5 +1,5 @@
 #![warn(clippy::clone_on_ref_ptr)]
-#![allow(unused)]
+#![allow(unused, clippy::redundant_clone)]
 
 use std::cell::RefCell;
 use std::collections::HashSet;