error: macros that expand to items must be delimited with braces or followed by a semicolon
  --> $DIR/issue-91800.rs:6:10
   |
LL | #[derive(MyTrait)]
   |          ^^^^^^^
   |
   = note: this error originates in the derive macro `MyTrait` (in Nightly builds, run with -Z macro-backtrace for more info)

error: proc-macro derive produced unparsable tokens
  --> $DIR/issue-91800.rs:6:10
   |
LL | #[derive(MyTrait)]
   |          ^^^^^^^

error: 
  --> $DIR/issue-91800.rs:6:10
   |
LL | #[derive(MyTrait)]
   |          ^^^^^^^
   |
   = note: this error originates in the derive macro `MyTrait` (in Nightly builds, run with -Z macro-backtrace for more info)

error: macros that expand to items must be delimited with braces or followed by a semicolon
  --> $DIR/issue-91800.rs:9:1
   |
LL | #[attribute_macro]
   | ^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the attribute macro `attribute_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: 
  --> $DIR/issue-91800.rs:9:1
   |
LL | #[attribute_macro]
   | ^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the attribute macro `attribute_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: macros that expand to items must be delimited with braces or followed by a semicolon
  --> $DIR/issue-91800.rs:13:1
   |
LL | fn_macro! {}
   | ^^^^^^^^^^^^
   |
   = note: this error originates in the macro `fn_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: 
  --> $DIR/issue-91800.rs:13:1
   |
LL | fn_macro! {}
   | ^^^^^^^^^^^^
   |
   = note: this error originates in the macro `fn_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 7 previous errors