clippy

Author: Mark-Simulacrum

src/tools/clippy/tests/ui/empty_enum.stderr

@@ -1,5 +1,5 @@
 error: enum with no variants
-  --> $DIR/empty_enum.rs:5:1
+  --> $DIR/empty_enum.rs:4:1
    |
 LL | enum Empty {}
    | ^^^^^^^^^^^^^

src/tools/clippy/tests/ui/empty_enum_without_never_type.stderr

@@ -0,0 +1,11 @@
+error: enum with no variants
+  --> $DIR/empty_enum_without_never_type.rs:5:1
+   |
+LL | enum Empty {}
+   | ^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::empty-enum` implied by `-D warnings`
+   = help: consider using the uninhabited type `!` (never type) or a wrapper around it to introduce a type which can't be instantiated
+
+error: aborting due to previous error
+

src/tools/clippy/tests/ui/infallible_destructuring_match.fixed

@@ -1,5 +1,5 @@
 // run-rustfix
-#![feature(exhaustive_patterns, never_type)]
+#![feature(exhaustive_patterns)]
 #![allow(dead_code, unreachable_code, unused_variables)]
 #![allow(clippy::let_and_return)]
 

src/tools/clippy/tests/ui/infallible_destructuring_match.rs

@@ -1,5 +1,5 @@
 // run-rustfix
-#![feature(exhaustive_patterns, never_type)]
+#![feature(exhaustive_patterns)]
 #![allow(dead_code, unreachable_code, unused_variables)]
 #![allow(clippy::let_and_return)]
 

src/tools/clippy/tests/ui/must_use_candidates.stderr

@@ -1,31 +1,31 @@
 error: this function could have a `#[must_use]` attribute
-  --> $DIR/must_use_candidates.rs:12:1
+  --> $DIR/must_use_candidates.rs:11:1
    |
 LL | pub fn pure(i: u8) -> u8 {
    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn pure(i: u8) -> u8`
    |
    = note: `-D clippy::must-use-candidate` implied by `-D warnings`
 
 error: this method could have a `#[must_use]` attribute
-  --> $DIR/must_use_candidates.rs:17:5
+  --> $DIR/must_use_candidates.rs:16:5
    |
 LL |     pub fn inherent_pure(&self) -> u8 {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn inherent_pure(&self) -> u8`
 
 error: this function could have a `#[must_use]` attribute
-  --> $DIR/must_use_candidates.rs:48:1
+  --> $DIR/must_use_candidates.rs:47:1
    |
 LL | pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool`
 
 error: this function could have a `#[must_use]` attribute
-  --> $DIR/must_use_candidates.rs:60:1
+  --> $DIR/must_use_candidates.rs:59:1
    |
 LL | pub fn rcd(_x: Rc<u32>) -> bool {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn rcd(_x: Rc<u32>) -> bool`
 
 error: this function could have a `#[must_use]` attribute
-  --> $DIR/must_use_candidates.rs:68:1
+  --> $DIR/must_use_candidates.rs:67:1
    |
 LL | pub fn arcd(_x: Arc<u32>) -> bool {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn arcd(_x: Arc<u32>) -> bool`

src/tools/clippy/tests/ui/result_map_unit_fn_unfixable.stderr

@@ -1,5 +1,5 @@
 error: called `map(f)` on an `Result` value where `f` is a closure that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:23:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:22:5
    |
 LL |     x.field.map(|value| { do_nothing(value); do_nothing(value) });
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
@@ -9,15 +9,15 @@ LL |     x.field.map(|value| { do_nothing(value); do_nothing(value) });
    = note: `-D clippy::result-map-unit-fn` implied by `-D warnings`
 
 error: called `map(f)` on an `Result` value where `f` is a closure that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:25:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:24:5
    |
 LL |     x.field.map(|value| if value > 0 { do_nothing(value); do_nothing(value) });
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
    |     |
    |     help: try this: `if let Ok(value) = x.field { ... }`
 
 error: called `map(f)` on an `Result` value where `f` is a closure that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:29:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:28:5
    |
 LL |        x.field.map(|value| {
    |   _____^
@@ -31,23 +31,23 @@ LL | ||     });
    | 
 
 error: called `map(f)` on an `Result` value where `f` is a closure that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:33:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:32:5
    |
 LL |     x.field.map(|value| { do_nothing(value); do_nothing(value); });
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
    |     |
    |     help: try this: `if let Ok(value) = x.field { ... }`
 
 error: called `map(f)` on an `Result` value where `f` is a function that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:37:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:36:5
    |
 LL |     "12".parse::<i32>().map(diverge);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
    |     |
    |     help: try this: `if let Ok(a) = "12".parse::<i32>() { diverge(a) }`
 
 error: called `map(f)` on an `Result` value where `f` is a function that returns the unit type `()`
-  --> $DIR/result_map_unit_fn_unfixable.rs:43:5
+  --> $DIR/result_map_unit_fn_unfixable.rs:42:5
    |
 LL |     y.map(do_nothing);
    |     ^^^^^^^^^^^^^^^^^-