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Allow more dead code

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This commit is contained in:
Oli Scherer 2025-08-26 07:13:09 +00:00
parent 363deb84cc
commit c85e4240be
25 changed files with 88 additions and 77 deletions
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2
test_suite/tests/regression/issue2371.rs
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@ -1,3 +1,5 @@
#![allow(dead_code)]
use serde_derive::Deserialize;
#[derive(Deserialize)]

2
test_suite/tests/regression/issue2409.rs
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@ -1,3 +1,5 @@
#![allow(dead_code)]
use serde_derive::Deserialize;
macro_rules! bug {

2
test_suite/tests/regression/issue2844.rs
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@ -1,4 +1,4 @@
#![allow(clippy::trivially_copy_pass_by_ref)]
#![allow(clippy::trivially_copy_pass_by_ref, dead_code)]
use serde_derive::{Deserialize, Serialize};

2
test_suite/tests/regression/issue2846.rs
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@ -1,4 +1,4 @@
#![allow(clippy::trivially_copy_pass_by_ref)]
#![allow(clippy::trivially_copy_pass_by_ref, dead_code)]
use serde_derive::Deserialize;

5
test_suite/tests/test_borrow.rs
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@ -1,7 +1,10 @@
#![allow(
clippy::derive_partial_eq_without_eq,
clippy::items_after_statements,
clippy::used_underscore_binding
clippy::used_underscore_binding,
// We use lots of declarations inside function bodies to avoid conflicts,
// but they aren't used. We just want to make sure they compile.
dead_code,
)]
use serde::de::value::{BorrowedStrDeserializer, MapDeserializer};

5
test_suite/tests/test_gen.rs
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@ -18,7 +18,10 @@
clippy::ptr_arg,
clippy::too_many_lines,
clippy::trivially_copy_pass_by_ref,
clippy::type_repetition_in_bounds
clippy::type_repetition_in_bounds,
// We use lots of declarations inside function bodies to avoid conflicts,
// but they aren't used. We just want to make sure they compile.
dead_code,
)]
#![deny(clippy::collection_is_never_read)]

2
test_suite/tests/test_remote.rs
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@ -1,4 +1,4 @@
#![allow(clippy::redundant_field_names)]
#![allow(clippy::redundant_field_names, dead_code)]
use serde_derive::{Deserialize, Serialize};

2
test_suite/tests/test_self.rs
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@ -1,4 +1,4 @@
#![allow(clippy::used_underscore_binding)]
#![allow(clippy::used_underscore_binding, dead_code)]
use serde_derive::{Deserialize, Serialize};

6
test_suite/tests/ui/conflict/alias-enum.stderr
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@ -7,18 +7,18 @@ error[E0425]: cannot find value `__FAIL__` in this scope
warning: unreachable pattern
--> tests/ui/conflict/alias-enum.rs:13:9
|
8 | #[serde(alias = "a", alias = "b", alias = "c")]
8 | #[serde(alias = "a", alias = "b", alias = "c")]
| --- matches all the relevant values
...
13 | b: (),
| ^ no value can reach this
|
= note: `#[warn(unreachable_patterns)]` on by default
= note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
warning: unreachable pattern
--> tests/ui/conflict/alias-enum.rs:12:25
|
8 | #[serde(alias = "a", alias = "b", alias = "c")]
8 | #[serde(alias = "a", alias = "b", alias = "c")]
| --- matches all the relevant values
...
12 | #[serde(alias = "c")]

4
test_suite/tests/ui/conflict/alias.stderr
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@ -7,13 +7,13 @@ error[E0425]: cannot find value `__FAIL__` in this scope
warning: unreachable pattern
--> tests/ui/conflict/alias.rs:10:5
|
5 | #[serde(alias = "a", alias = "b", alias = "c")]
5 | #[serde(alias = "a", alias = "b", alias = "c")]
| --- matches all the relevant values
...
10 | b: (),
| ^ no value can reach this
|
= note: `#[warn(unreachable_patterns)]` on by default
= note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
warning: unreachable pattern
--> tests/ui/conflict/alias.rs:9:21

12
test_suite/tests/ui/conflict/internal-tag-alias.stderr
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@ -1,11 +1,11 @@
error: variant field name `conflict` conflicts with internal tag
--> tests/ui/conflict/internal-tag-alias.rs:4:1
|
4 | / #[serde(tag = "conflict")]
5 | | enum E {
6 | | A {
7 | | #[serde(alias = "conflict")]
8 | | x: (),
9 | | },
4 | / #[serde(tag = "conflict")]
5 | | enum E {
6 | | A {
7 | | #[serde(alias = "conflict")]
8 | | x: (),
9 | | },
10 | | }
| |_^

12
test_suite/tests/ui/conflict/internal-tag.stderr
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@ -1,11 +1,11 @@
error: variant field name `conflict` conflicts with internal tag
--> tests/ui/conflict/internal-tag.rs:4:1
|
4 | / #[serde(tag = "conflict")]
5 | | enum E {
6 | | A {
7 | | #[serde(rename = "conflict")]
8 | | x: (),
9 | | },
4 | / #[serde(tag = "conflict")]
5 | | enum E {
6 | | A {
7 | | #[serde(rename = "conflict")]
8 | | x: (),
9 | | },
10 | | }
| |_^

6
test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.stderr
View File

@ -1,7 +1,7 @@
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:10:33
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`
@ -13,7 +13,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:12:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `u8`
@ -25,7 +25,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:15:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`

4
test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.stderr
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@ -13,7 +13,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs:11:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `u8`
@ -25,7 +25,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs:14:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`

4
test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.stderr
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@ -1,7 +1,7 @@
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs:12:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `u8`
@ -13,7 +13,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs:15:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`

6
test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.stderr
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@ -1,7 +1,7 @@
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:10:33
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`
@ -13,7 +13,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:12:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `u8`
@ -25,7 +25,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:15:27
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`

5
test_suite/tests/ui/default-attribute/incorrect_type_newtype.stderr
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@ -2,10 +2,7 @@ error[E0308]: mismatched types
--> tests/ui/default-attribute/incorrect_type_newtype.rs:6:19
|
6 | #[serde(default = "main")]
| ^^^^^^
| |
| expected `Newtype`, found `()`
| expected due to this
| ^^^^^^ expected `Newtype`, found `()`
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_newtype.rs:7:34

9
test_suite/tests/ui/default-attribute/incorrect_type_struct.stderr
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@ -2,10 +2,7 @@ error[E0308]: mismatched types
--> tests/ui/default-attribute/incorrect_type_struct.rs:6:19
|
6 | #[serde(default = "main")]
| ^^^^^^
| |
| expected `Struct`, found `()`
| expected due to this
| ^^^^^^ expected `Struct`, found `()`
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_struct.rs:8:23
@ -22,7 +19,7 @@ error[E0308]: `match` arms have incompatible types
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_struct.rs:11:23
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| -----------
| |
| this is found to be of type `i8`
@ -51,7 +48,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> tests/ui/default-attribute/incorrect_type_struct.rs:11:23
|
5 | #[derive(Deserialize)]
5 | #[derive(Deserialize)]
| ----------- expected due to the type of this binding
...
11 | #[serde(default = "main")]

5
test_suite/tests/ui/default-attribute/incorrect_type_tuple.stderr
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@ -2,10 +2,7 @@ error[E0308]: mismatched types
--> tests/ui/default-attribute/incorrect_type_tuple.rs:6:19
|
6 | #[serde(default = "main")]
| ^^^^^^
| |
| expected `Tuple`, found `()`
| expected due to this
| ^^^^^^ expected `Tuple`, found `()`
error[E0308]: `match` arms have incompatible types
--> tests/ui/default-attribute/incorrect_type_tuple.rs:7:36

20
test_suite/tests/ui/on_unimplemented.stderr
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@ -2,10 +2,15 @@ error[E0277]: the trait bound `MyStruct: Serialize` is not satisfied
--> tests/ui/on_unimplemented.rs:21:15
|
21 | to_string(&MyStruct);
| --------- ^^^^^^^^^ the trait `Serialize` is not implemented for `MyStruct`
| --------- ^^^^^^^^^ unsatisfied trait bound
| |
| required by a bound introduced by this call
|
help: the trait `Serialize` is not implemented for `MyStruct`
--> tests/ui/on_unimplemented.rs:18:1
|
18 | struct MyStruct;
| ^^^^^^^^^^^^^^^
= note: for local types consider adding `#[derive(serde::Serialize)]` to your `MyStruct` type
= note: for types from other crates check whether the crate offers a `serde` feature flag
= help: the following other types implement trait `Serialize`:
@ -21,18 +26,23 @@ error[E0277]: the trait bound `MyStruct: Serialize` is not satisfied
note: required by a bound in `to_string`
--> tests/ui/on_unimplemented.rs:6:8
|
4 | fn to_string<T>(_: &T) -> String
4 | fn to_string<T>(_: &T) -> String
| --------- required by a bound in this function
5 | where
6 | T: Serialize,
5 | where
6 | T: Serialize,
| ^^^^^^^^^ required by this bound in `to_string`
error[E0277]: the trait bound `MyStruct: Deserialize<'_>` is not satisfied
--> tests/ui/on_unimplemented.rs:22:23
|
22 | let _: MyStruct = from_str("");
| ^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `MyStruct`
| ^^^^^^^^^^^^ unsatisfied trait bound
|
help: the trait `Deserialize<'_>` is not implemented for `MyStruct`
--> tests/ui/on_unimplemented.rs:18:1
|
18 | struct MyStruct;
| ^^^^^^^^^^^^^^^
= note: for local types consider adding `#[derive(serde::Deserialize)]` to your `MyStruct` type
= note: for types from other crates check whether the crate offers a `serde` feature flag
= help: the following other types implement trait `Deserialize<'de>`:

12
test_suite/tests/ui/transparent/de_at_least_one.stderr
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@ -1,11 +1,11 @@
error: #[serde(transparent)] requires at least one field that is neither skipped nor has a default
--> tests/ui/transparent/de_at_least_one.rs:4:1
|
4 | / #[serde(transparent)]
5 | | struct S {
6 | | #[serde(skip)]
7 | | a: u8,
8 | | #[serde(default)]
9 | | b: u8,
4 | / #[serde(transparent)]
5 | | struct S {
6 | | #[serde(skip)]
7 | | a: u8,
8 | | #[serde(default)]
9 | | b: u8,
10 | | }
| |_^

10
test_suite/tests/ui/with-variant/skip_de_struct_field.stderr
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@ -1,10 +1,10 @@
error: variant `Struct` cannot have both #[serde(deserialize_with)] and a field `f1` marked with #[serde(skip_deserializing)]
--> tests/ui/with-variant/skip_de_struct_field.rs:5:5
|
5 | / #[serde(deserialize_with = "deserialize_some_other_variant")]
6 | | Struct {
7 | | #[serde(skip_deserializing)]
8 | | f1: String,
9 | | f2: u8,
5 | / #[serde(deserialize_with = "deserialize_some_other_variant")]
6 | | Struct {
7 | | #[serde(skip_deserializing)]
8 | | f1: String,
9 | | f2: u8,
10 | | },
| |_____^

10
test_suite/tests/ui/with-variant/skip_ser_struct_field.stderr
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@ -1,10 +1,10 @@
error: variant `Struct` cannot have both #[serde(serialize_with)] and a field `f1` marked with #[serde(skip_serializing)]
--> tests/ui/with-variant/skip_ser_struct_field.rs:5:5
|
5 | / #[serde(serialize_with = "serialize_some_other_variant")]
6 | | Struct {
7 | | #[serde(skip_serializing)]
8 | | f1: String,
9 | | f2: u8,
5 | / #[serde(serialize_with = "serialize_some_other_variant")]
6 | | Struct {
7 | | #[serde(skip_serializing)]
8 | | f1: String,
9 | | f2: u8,
10 | | },
| |_____^

10
test_suite/tests/ui/with-variant/skip_ser_struct_field_if.stderr
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@ -1,10 +1,10 @@
error: variant `Struct` cannot have both #[serde(serialize_with)] and a field `f1` marked with #[serde(skip_serializing_if)]
--> tests/ui/with-variant/skip_ser_struct_field_if.rs:5:5
|
5 | / #[serde(serialize_with = "serialize_some_newtype_variant")]
6 | | Struct {
7 | | #[serde(skip_serializing_if = "always")]
8 | | f1: String,
9 | | f2: u8,
5 | / #[serde(serialize_with = "serialize_some_newtype_variant")]
6 | | Struct {
7 | | #[serde(skip_serializing_if = "always")]
8 | | f1: String,
9 | | f2: u8,
10 | | },
| |_____^

8
test_suite/tests/ui/with/incorrect_type.stderr
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@ -13,7 +13,7 @@ error[E0277]: the trait bound `&u8: Serializer` is not satisfied
note: required by a bound in `w::serialize`
--> tests/ui/with/incorrect_type.rs:9:28
|
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
| ^^^^^^^^^^ required by this bound in `serialize`
error[E0061]: this function takes 1 argument but 2 arguments were supplied
@ -27,7 +27,7 @@ error[E0061]: this function takes 1 argument but 2 arguments were supplied
note: function defined here
--> tests/ui/with/incorrect_type.rs:9:12
|
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
| ^^^^^^^^^
error[E0277]: the trait bound `&u8: Serializer` is not satisfied
@ -64,7 +64,7 @@ error[E0277]: the trait bound `&u8: Serializer` is not satisfied
note: required by a bound in `w::serialize`
--> tests/ui/with/incorrect_type.rs:9:28
|
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
| ^^^^^^^^^^ required by this bound in `serialize`
error[E0061]: this function takes 1 argument but 2 arguments were supplied
@ -78,7 +78,7 @@ error[E0061]: this function takes 1 argument but 2 arguments were supplied
note: function defined here
--> tests/ui/with/incorrect_type.rs:9:12
|
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
9 | pub fn serialize<T, S: Serializer>(_: S) -> Result<S::Ok, S::Error> {
| ^^^^^^^^^
error[E0277]: the trait bound `&u8: Serializer` is not satisfied