error: redundant clone --> $DIR/unnecessary_to_owned.rs:151:64 | LL | require_c_str(&CString::from_vec_with_nul(vec![0]).unwrap().to_owned()); | ^^^^^^^^^^^ help: remove this | = note: `-D clippy::redundant-clone` implied by `-D warnings` note: this value is dropped without further use --> $DIR/unnecessary_to_owned.rs:151:20 | LL | require_c_str(&CString::from_vec_with_nul(vec![0]).unwrap().to_owned()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: redundant clone --> $DIR/unnecessary_to_owned.rs:152:40 | LL | require_os_str(&OsString::from("x").to_os_string()); | ^^^^^^^^^^^^^^^ help: remove this | note: this value is dropped without further use --> $DIR/unnecessary_to_owned.rs:152:21 | LL | require_os_str(&OsString::from("x").to_os_string()); | ^^^^^^^^^^^^^^^^^^^ error: redundant clone --> $DIR/unnecessary_to_owned.rs:153:48 | LL | require_path(&std::path::PathBuf::from("x").to_path_buf()); | ^^^^^^^^^^^^^^ help: remove this | note: this value is dropped without further use --> $DIR/unnecessary_to_owned.rs:153:19 | LL | require_path(&std::path::PathBuf::from("x").to_path_buf()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: redundant clone --> $DIR/unnecessary_to_owned.rs:154:35 | LL | require_str(&String::from("x").to_string()); | ^^^^^^^^^^^^ help: remove this | note: this value is dropped without further use --> $DIR/unnecessary_to_owned.rs:154:18 | LL | require_str(&String::from("x").to_string()); | ^^^^^^^^^^^^^^^^^ error: redundant clone --> $DIR/unnecessary_to_owned.rs:155:39 | LL | require_slice(&[String::from("x")].to_owned()); | ^^^^^^^^^^^ help: remove this | note: this value is dropped without further use --> $DIR/unnecessary_to_owned.rs:155:20 | LL | require_slice(&[String::from("x")].to_owned()); | ^^^^^^^^^^^^^^^^^^^ error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:60:36 | LL | require_c_str(&Cow::from(c_str).into_owned()); | ^^^^^^^^^^^^^ help: remove this | = note: `-D clippy::unnecessary-to-owned` implied by `-D warnings` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:61:19 | LL | require_c_str(&c_str.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `c_str` error: unnecessary use of `to_os_string` --> $DIR/unnecessary_to_owned.rs:63:20 | LL | require_os_str(&os_str.to_os_string()); | ^^^^^^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:64:38 | LL | require_os_str(&Cow::from(os_str).into_owned()); | ^^^^^^^^^^^^^ help: remove this error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:65:20 | LL | require_os_str(&os_str.to_owned()); | ^^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `to_path_buf` --> $DIR/unnecessary_to_owned.rs:67:18 | LL | require_path(&path.to_path_buf()); | ^^^^^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:68:34 | LL | require_path(&Cow::from(path).into_owned()); | ^^^^^^^^^^^^^ help: remove this error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:69:18 | LL | require_path(&path.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned.rs:71:17 | LL | require_str(&s.to_string()); | ^^^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:72:30 | LL | require_str(&Cow::from(s).into_owned()); | ^^^^^^^^^^^^^ help: remove this error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:73:17 | LL | require_str(&s.to_owned()); | ^^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned.rs:74:17 | LL | require_str(&x_ref.to_string()); | ^^^^^^^^^^^^^^^^^^ help: use: `x_ref.as_ref()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:76:19 | LL | require_slice(&slice.to_vec()); | ^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:77:36 | LL | require_slice(&Cow::from(slice).into_owned()); | ^^^^^^^^^^^^^ help: remove this error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:78:19 | LL | require_slice(&array.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `array.as_ref()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:79:19 | LL | require_slice(&array_ref.to_owned()); | ^^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref.as_ref()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:80:19 | LL | require_slice(&slice.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `into_owned` --> $DIR/unnecessary_to_owned.rs:83:42 | LL | require_x(&Cow::::Owned(x.clone()).into_owned()); | ^^^^^^^^^^^^^ help: remove this error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:86:25 | LL | require_deref_c_str(c_str.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `c_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:87:26 | LL | require_deref_os_str(os_str.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:88:24 | LL | require_deref_path(path.to_owned()); | ^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:89:23 | LL | require_deref_str(s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:90:25 | LL | require_deref_slice(slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:92:30 | LL | require_impl_deref_c_str(c_str.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `c_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:93:31 | LL | require_impl_deref_os_str(os_str.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:94:29 | LL | require_impl_deref_path(path.to_owned()); | ^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:95:28 | LL | require_impl_deref_str(s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:96:30 | LL | require_impl_deref_slice(slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:98:29 | LL | require_deref_str_slice(s.to_owned(), slice.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:98:43 | LL | require_deref_str_slice(s.to_owned(), slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:99:29 | LL | require_deref_slice_str(slice.to_owned(), s.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:99:47 | LL | require_deref_slice_str(slice.to_owned(), s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:101:26 | LL | require_as_ref_c_str(c_str.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `c_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:102:27 | LL | require_as_ref_os_str(os_str.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:103:25 | LL | require_as_ref_path(path.to_owned()); | ^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:104:24 | LL | require_as_ref_str(s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:105:24 | LL | require_as_ref_str(x.to_owned()); | ^^^^^^^^^^^^ help: use: `&x` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:106:26 | LL | require_as_ref_slice(array.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `array` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:107:26 | LL | require_as_ref_slice(array_ref.to_owned()); | ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:108:26 | LL | require_as_ref_slice(slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:110:31 | LL | require_impl_as_ref_c_str(c_str.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `c_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:111:32 | LL | require_impl_as_ref_os_str(os_str.to_owned()); | ^^^^^^^^^^^^^^^^^ help: use: `os_str` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:112:30 | LL | require_impl_as_ref_path(path.to_owned()); | ^^^^^^^^^^^^^^^ help: use: `path` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:113:29 | LL | require_impl_as_ref_str(s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:114:29 | LL | require_impl_as_ref_str(x.to_owned()); | ^^^^^^^^^^^^ help: use: `&x` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:115:31 | LL | require_impl_as_ref_slice(array.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `array` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:116:31 | LL | require_impl_as_ref_slice(array_ref.to_owned()); | ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:117:31 | LL | require_impl_as_ref_slice(slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:119:30 | LL | require_as_ref_str_slice(s.to_owned(), array.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:119:44 | LL | require_as_ref_str_slice(s.to_owned(), array.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `array` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:120:30 | LL | require_as_ref_str_slice(s.to_owned(), array_ref.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:120:44 | LL | require_as_ref_str_slice(s.to_owned(), array_ref.to_owned()); | ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:121:30 | LL | require_as_ref_str_slice(s.to_owned(), slice.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:121:44 | LL | require_as_ref_str_slice(s.to_owned(), slice.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:122:30 | LL | require_as_ref_slice_str(array.to_owned(), s.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `array` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:122:48 | LL | require_as_ref_slice_str(array.to_owned(), s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:123:30 | LL | require_as_ref_slice_str(array_ref.to_owned(), s.to_owned()); | ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:123:52 | LL | require_as_ref_slice_str(array_ref.to_owned(), s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:124:30 | LL | require_as_ref_slice_str(slice.to_owned(), s.to_owned()); | ^^^^^^^^^^^^^^^^ help: use: `slice` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:124:48 | LL | require_as_ref_slice_str(slice.to_owned(), s.to_owned()); | ^^^^^^^^^^^^ help: use: `s` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned.rs:126:20 | LL | let _ = x.join(&x_ref.to_string()); | ^^^^^^^^^^^^^^^^^^ help: use: `x_ref` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:128:13 | LL | let _ = slice.to_vec().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:129:13 | LL | let _ = slice.to_owned().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:130:13 | LL | let _ = [std::path::PathBuf::new()][..].to_vec().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:131:13 | LL | let _ = [std::path::PathBuf::new()][..].to_owned().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:133:13 | LL | let _ = IntoIterator::into_iter(slice.to_vec()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:134:13 | LL | let _ = IntoIterator::into_iter(slice.to_owned()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:135:13 | LL | let _ = IntoIterator::into_iter([std::path::PathBuf::new()][..].to_vec()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned.rs:136:13 | LL | let _ = IntoIterator::into_iter([std::path::PathBuf::new()][..].to_owned()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:198:14 | LL | for t in file_types.to_vec() { | ^^^^^^^^^^^^^^^^^^^ | help: use | LL | for t in file_types { | ~~~~~~~~~~ help: remove this `&` | LL - let path = match get_file_path(&t) { LL + let path = match get_file_path(t) { | error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:221:14 | LL | let _ = &["x"][..].to_vec().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `["x"][..].iter().cloned()` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned.rs:226:14 | LL | let _ = &["x"][..].to_vec().into_iter(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `["x"][..].iter().copied()` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned.rs:273:24 | LL | Box::new(build(y.to_string())) | ^^^^^^^^^^^^^ help: use: `y` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned.rs:381:12 | LL | id("abc".to_string()) | ^^^^^^^^^^^^^^^^^ help: use: `"abc"` error: aborting due to 79 previous errors