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|
warning: `#[derive]` does nothing on macro invocations
--> $DIR/issue-49934.rs:30:5
|
LL | #[derive(Debug)]
| ^^^^^^^^^^^^^^^^
|
= note: this may become a hard error in a future release
warning: unused attribute
--> $DIR/issue-49934.rs:16:8
|
LL | fn foo<#[derive(Debug)] T>() { //~ WARN unused attribute
| ^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/issue-49934.rs:14:9
|
LL | #![warn(unused_attributes)] //~ NOTE lint level defined here
| ^^^^^^^^^^^^^^^^^
warning: unused attribute
--> $DIR/issue-49934.rs:18:9
|
LL | #[derive(Debug)] //~ WARN unused attribute
| ^^^^^^^^^^^^^^^^
warning: unused attribute
--> $DIR/issue-49934.rs:36:5
|
LL | #[derive(Debug)] //~ WARN unused attribute
| ^^^^^^^^^^^^^^^^
warning: unused attribute
--> $DIR/issue-49934.rs:40:5
|
LL | #[derive(Debug)] //~ WARN unused attribute
| ^^^^^^^^^^^^^^^^
warning: unused attribute
--> $DIR/issue-49934.rs:44:13
|
LL | let _ = #[derive(Debug)] "Hello, world!";
| ^^^^^^^^^^^^^^^^
warning: unused attribute
--> $DIR/issue-49934.rs:49:9
|
LL | #[derive(Debug)] //~ WARN unused attribute
| ^^^^^^^^^^^^^^^^
|
