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``` error: cannot find attribute `empty_helper` in this scope --> $DIR/derive-helper-legacy-limits.rs:17:3 | LL | #[empty_helper] | ^^^^^^^^^^^^ | help: `empty_helper` is an attribute that can be used by the derive macro `Empty`, you might be missing a `derive` attribute | LL + #[derive(Empty)] LL | struct S2; | ``` Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> src/main.rs:18:7 | 18 | #[sede(untagged)] | ^^^^ | help: the derive macros `Serialize` and `Deserialize` accept the similarly named `serde` attribute | 18 | #[serde(untagged)] | ~~~~~ error: cannot find attribute `serde` in this scope --> src/main.rs:12:7 | 12 | #[serde(untagged)] | ^^^^^ | = note: `serde` is in scope, but it is a crate, not an attribute help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | 10 | #[derive(Serialize, Deserialize)] | ```
48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
error: cannot find attribute `sede` in this scope
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--> $DIR/missing-derive-2.rs:22:7
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LL | #[sede(untagged)]
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| ^^^^
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help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute
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LL | #[serde(untagged)]
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error: cannot find attribute `serde` in this scope
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--> $DIR/missing-derive-2.rs:16:7
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LL | #[serde(untagged)]
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| ^^^^^
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note: `serde` is imported here, but it is a crate, not an attribute
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--> $DIR/missing-derive-2.rs:5:1
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LL | extern crate serde;
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| ^^^^^^^^^^^^^^^^^^^
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help: `serde` is an attribute that can be used by the derive macros `Deserialize` and `Serialize`, you might be missing a `derive` attribute
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LL + #[derive(Deserialize, Serialize)]
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LL | enum B {
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error: cannot find attribute `serde` in this scope
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--> $DIR/missing-derive-2.rs:8:3
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LL | #[serde(untagged)]
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| ^^^^^
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note: `serde` is imported here, but it is a crate, not an attribute
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--> $DIR/missing-derive-2.rs:5:1
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LL | extern crate serde;
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| ^^^^^^^^^^^^^^^^^^^
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help: `serde` is an attribute that can be used by the derive macros `Deserialize` and `Serialize`, you might be missing a `derive` attribute
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LL + #[derive(Deserialize, Serialize)]
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LL | enum A {
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error: aborting due to 3 previous errors
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