Ignore dead code lint in tests

New in nightly-2024-03-24 from rust-lang/rust#119552. warning: field `b` is never read --> tests/test_error.rs:53:13 | 52 | pub struct A { | - field in this struct 53 | pub b: Vec<B>, | ^ | = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis = note: `#[warn(dead_code)]` on by default warning: field `0` is never read --> tests/test_error.rs:57:11 | 57 | C(C), | - ^ | | | field in this variant | help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 57 | C(()), | ~~ warning: field `d` is never read --> tests/test_error.rs:61:13 | 60 | pub struct C { | - field in this struct 61 | pub d: bool, | ^ | = note: `C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: fields `v` and `w` are never read --> tests/test_error.rs:82:13 | 81 | pub struct Basic { | ----- fields in this struct 82 | pub v: bool, | ^ 83 | pub w: bool, | ^ | = note: `Basic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: field `c` is never read --> tests/test_error.rs:107:13 | 106 | pub struct Wrapper { | ------- field in this struct 107 | pub c: (), | ^ | = note: `Wrapper` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: field `0` is never read --> tests/test_error.rs:160:11 | 160 | V(usize), | - ^^^^^ | | | field in this variant | help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 160 | V(()), | ~~ warning: field `0` is never read --> tests/test_error.rs:212:15 | 212 | Inner(Inner), | ----- ^^^^^ | | | field in this variant | help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 212 | Inner(()), | ~~ warning: field `0` is never read --> tests/test_error.rs:216:17 | 216 | Variant(Vec<usize>), | ------- ^^^^^^^^^^ | | | field in this variant | help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 216 | Variant(()), | ~~ warning: field `0` is never read --> tests/test_error.rs:245:11 | 245 | V(usize), | - ^^^^^ | | | field in this variant | help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 245 | V(()), | ~~ warning: fields `x` and `y` are never read --> tests/test_error.rs:260:13 | 259 | pub struct Struct { | ------ fields in this struct 260 | pub x: usize, | ^ 261 | pub y: usize, | ^ | = note: `Struct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: field `x` is never read --> tests/test_error.rs:334:13 | 333 | pub struct S { | - field in this struct 334 | pub x: [i32; 1], | ^ | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: field `x` is never read --> tests/test_error.rs:347:13 | 346 | pub struct S { | - field in this struct 347 | pub x: Option<Box<S>>, | ^ | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: fields `0` and `1` are never read --> tests/test_error.rs:359:18 | 359 | pub struct S(pub usize, pub Option<Box<S>>); | - ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ | | | fields in this struct | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields | 359 | pub struct S((), ()); | ~~ ~~ warning: field `0` is never read --> tests/test_error.rs:370:18 | 370 | pub struct S(pub Option<Box<S>>); | - ^^^^^^^^^^^^^^^^^^ | | | field in this struct | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field | 370 | pub struct S(()); | ~~ warning: field `x` is never read --> tests/test_error.rs:382:13 | 381 | pub struct S { | - field in this struct 382 | pub x: Option<Box<S>>, | ^ | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis warning: fields `0` and `1` are never read --> tests/test_error.rs:394:18 | 394 | pub struct S(pub usize, pub Option<Box<S>>); | - ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ | | | fields in this struct | = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields | 394 | pub struct S((), ()); | ~~ ~~
dtolnay · Mar 24, 2024 · 77236b0 · 77236b0
1 parent f4c9ed9
commit 77236b0
Showing 1 changed file with 24 additions and 8 deletions.
diff --git a/tests/test_error.rs b/tests/test_error.rs
@@ -50,14 +50,16 @@ fn test_incorrect_type() {
 fn test_incorrect_nested_type() {
     #[derive(Deserialize, Debug)]
     pub struct A {
+        #[allow(dead_code)]
         pub b: Vec<B>,
     }
     #[derive(Deserialize, Debug)]
     pub enum B {
-        C(C),
+        C(#[allow(dead_code)] C),
     }
     #[derive(Deserialize, Debug)]
     pub struct C {
+        #[allow(dead_code)]
         pub d: bool,
     }
     let yaml = indoc! {"
@@ -79,7 +81,9 @@ fn test_empty() {
 fn test_missing_field() {
     #[derive(Deserialize, Debug)]
     pub struct Basic {
+        #[allow(dead_code)]
         pub v: bool,
+        #[allow(dead_code)]
         pub w: bool,
     }
     let yaml = indoc! {"
@@ -104,6 +108,7 @@ fn test_unknown_anchor() {
 fn test_ignored_unknown_anchor() {
     #[derive(Deserialize, Debug)]
     pub struct Wrapper {
+        #[allow(dead_code)]
         pub c: (),
     }
     let yaml = indoc! {"
@@ -157,7 +162,7 @@ fn test_second_document_syntax_error() {
 fn test_missing_enum_tag() {
     #[derive(Deserialize, Debug)]
     pub enum E {
-        V(usize),
+        V(#[allow(dead_code)] usize),
     }
     let yaml = indoc! {r#"
         "V": 16
@@ -209,11 +214,11 @@ fn test_serialize_nested_enum() {
 fn test_deserialize_nested_enum() {
     #[derive(Deserialize, Debug)]
     pub enum Outer {
-        Inner(Inner),
+        Inner(#[allow(dead_code)] Inner),
     }
     #[derive(Deserialize, Debug)]
     pub enum Inner {
-        Variant(Vec<usize>),
+        Variant(#[allow(dead_code)] Vec<usize>),
     }
 
     let yaml = indoc! {"
@@ -242,7 +247,7 @@ fn test_deserialize_nested_enum() {
 fn test_variant_not_a_seq() {
     #[derive(Deserialize, Debug)]
     pub enum E {
-        V(usize),
+        V(#[allow(dead_code)] usize),
     }
     let yaml = indoc! {"
         ---
@@ -257,7 +262,9 @@ fn test_variant_not_a_seq() {
 fn test_struct_from_sequence() {
     #[derive(Deserialize, Debug)]
     pub struct Struct {
+        #[allow(dead_code)]
         pub x: usize,
+        #[allow(dead_code)]
         pub y: usize,
     }
     let yaml = indoc! {"
@@ -331,6 +338,7 @@ fn test_long_tuple() {
 fn test_invalid_scalar_type() {
     #[derive(Deserialize, Debug)]
     pub struct S {
+        #[allow(dead_code)]
         pub x: [i32; 1],
     }
 
@@ -344,6 +352,7 @@ fn test_invalid_scalar_type() {
 fn test_infinite_recursion_objects() {
     #[derive(Deserialize, Debug)]
     pub struct S {
+        #[allow(dead_code)]
         pub x: Option<Box<S>>,
     }
 
@@ -356,7 +365,10 @@ fn test_infinite_recursion_objects() {
 #[test]
 fn test_infinite_recursion_arrays() {
     #[derive(Deserialize, Debug)]
-    pub struct S(pub usize, pub Option<Box<S>>);
+    pub struct S(
+        #[allow(dead_code)] pub usize,
+        #[allow(dead_code)] pub Option<Box<S>>,
+    );
 
     let yaml = "&a [0, *a]";
     let expected = "recursion limit exceeded";
@@ -367,7 +379,7 @@ fn test_infinite_recursion_arrays() {
 #[test]
 fn test_infinite_recursion_newtype() {
     #[derive(Deserialize, Debug)]
-    pub struct S(pub Option<Box<S>>);
+    pub struct S(#[allow(dead_code)] pub Option<Box<S>>);
 
     let yaml = "&a [*a]";
     let expected = "recursion limit exceeded";
@@ -379,6 +391,7 @@ fn test_infinite_recursion_newtype() {
 fn test_finite_recursion_objects() {
     #[derive(Deserialize, Debug)]
     pub struct S {
+        #[allow(dead_code)]
         pub x: Option<Box<S>>,
     }
 
@@ -391,7 +404,10 @@ fn test_finite_recursion_objects() {
 #[test]
 fn test_finite_recursion_arrays() {
     #[derive(Deserialize, Debug)]
-    pub struct S(pub usize, pub Option<Box<S>>);
+    pub struct S(
+        #[allow(dead_code)] pub usize,
+        #[allow(dead_code)] pub Option<Box<S>>,
+    );
 
     let yaml = "[0, ".repeat(1_000) + &"]".repeat(1_000);
     let expected = "recursion limit exceeded at line 1 column 513";