error: malformed `link_name` attribute input --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ help: must be of the form: `#[link_name = "name"]` warning: attribute should be applied to a foreign function or static --> $DIR/issue-47725.rs:3:1 | LL | #[link_name = "foo"] | ^^^^^^^^^^^^^^^^^^^^ ... LL | struct Foo; | ----------- not a foreign function or static | note: the lint level is defined here --> $DIR/issue-47725.rs:1:9 | LL | #![warn(unused_attributes)] | ^^^^^^^^^^^^^^^^^ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static --> $DIR/issue-47725.rs:8:1 | LL | #[link_name = "foobar"] | ^^^^^^^^^^^^^^^^^^^^^^^ ... LL | / extern "C" { LL | | fn foo() -> u32; LL | | } | |_- not a foreign function or static | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "foobar")]` instead --> $DIR/issue-47725.rs:8:1 | LL | #[link_name = "foobar"] | ^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a foreign function or static --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ ... LL | / extern "C" { LL | | fn bar() -> u32; LL | | } | |_- not a foreign function or static | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "...")]` instead --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ error: aborting due to previous error; 3 warnings emitted