error: expected identifier, found keyword `unsafe`
  --> $DIR/derive-unsafe-attributes.rs:1:10
   |
LL | #[derive(unsafe(Debug))]
   |          ^^^^^^ expected identifier, found keyword
   |
help: escape `unsafe` to use it as an identifier
   |
LL | #[derive(r#unsafe(Debug))]
   |          ++

error: traits in `#[derive(...)]` don't accept arguments
  --> $DIR/derive-unsafe-attributes.rs:1:16
   |
LL | #[derive(unsafe(Debug))]
   |                ^^^^^^^ help: remove the arguments

error: `derive` is not an unsafe attribute
  --> $DIR/derive-unsafe-attributes.rs:10:3
   |
LL | #[unsafe(derive(Debug))]
   |   ^^^^^^ this is not an unsafe attribute
   |
   = note: extraneous unsafe is not allowed in attributes

error: expected identifier, found keyword `unsafe`
  --> $DIR/derive-unsafe-attributes.rs:1:10
   |
LL | #[derive(unsafe(Debug))]
   |          ^^^^^^ expected identifier, found keyword
   |
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: escape `unsafe` to use it as an identifier
   |
LL | #[derive(r#unsafe(Debug))]
   |          ++

error: expected identifier, found keyword `unsafe`
  --> $DIR/derive-unsafe-attributes.rs:1:10
   |
LL | #[derive(unsafe(Debug))]
   |          ^^^^^^ expected identifier, found keyword
   |
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: escape `unsafe` to use it as an identifier
   |
LL | #[derive(r#unsafe(Debug))]
   |          ++

error: cannot find derive macro `r#unsafe` in this scope
  --> $DIR/derive-unsafe-attributes.rs:1:10
   |
LL | #[derive(unsafe(Debug))]
   |          ^^^^^^

error: cannot find derive macro `r#unsafe` in this scope
  --> $DIR/derive-unsafe-attributes.rs:1:10
   |
LL | #[derive(unsafe(Debug))]
   |          ^^^^^^
   |
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 7 previous errors