error: unused attribute `must_use`
  --> $DIR/unused_attributes-must_use.rs:58:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/unused_attributes-must_use.rs:2:9
   |
LL | #![deny(unused_attributes, unused_must_use)]
   |         ^^^^^^^^^^^^^^^^^
note: the built-in attribute `must_use` will be ignored, since it's applied to the macro invocation `global_asm`
  --> $DIR/unused_attributes-must_use.rs:59:1
   |
LL | global_asm!("");
   | ^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an extern crate
  --> $DIR/unused_attributes-must_use.rs:5:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a module
  --> $DIR/unused_attributes-must_use.rs:8:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a use
  --> $DIR/unused_attributes-must_use.rs:11:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a constant item
  --> $DIR/unused_attributes-must_use.rs:14:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a static item
  --> $DIR/unused_attributes-must_use.rs:16:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an implementation block
  --> $DIR/unused_attributes-must_use.rs:33:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a foreign module
  --> $DIR/unused_attributes-must_use.rs:47:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a type alias
  --> $DIR/unused_attributes-must_use.rs:61:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a type parameter
  --> $DIR/unused_attributes-must_use.rs:64:8
   |
LL | fn qux<#[must_use] T>(_: T) {}
   |        ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an implementation block
  --> $DIR/unused_attributes-must_use.rs:79:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a trait alias
  --> $DIR/unused_attributes-must_use.rs:84:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a macro def
  --> $DIR/unused_attributes-must_use.rs:87:1
   |
LL | #[must_use]
   | ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a statement
  --> $DIR/unused_attributes-must_use.rs:95:5
   |
LL |     #[must_use]
   |     ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a closure
  --> $DIR/unused_attributes-must_use.rs:99:13
   |
LL |     let x = #[must_use]
   |             ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an match arm
  --> $DIR/unused_attributes-must_use.rs:121:9
   |
LL |         #[must_use]
   |         ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a struct field
  --> $DIR/unused_attributes-must_use.rs:129:28
   |
LL |     let s = PatternField { #[must_use]  foo: 123 };
   |                            ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a pattern field
  --> $DIR/unused_attributes-must_use.rs:130:24
   |
LL |     let PatternField { #[must_use] foo } = s;
   |                        ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an associated const
  --> $DIR/unused_attributes-must_use.rs:68:5
   |
LL |     #[must_use]
   |     ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to an associated type
  --> $DIR/unused_attributes-must_use.rs:70:5
   |
LL |     #[must_use]
   |     ^^^^^^^^^^^

error: `#[must_use]` has no effect when applied to a foreign static item
  --> $DIR/unused_attributes-must_use.rs:50:5
   |
LL |     #[must_use]
   |     ^^^^^^^^^^^

error: unused `X` that must be used
  --> $DIR/unused_attributes-must_use.rs:103:5
   |
LL |     X;
   |     ^^
   |
note: the lint level is defined here
  --> $DIR/unused_attributes-must_use.rs:2:28
   |
LL | #![deny(unused_attributes, unused_must_use)]
   |                            ^^^^^^^^^^^^^^^

error: unused `Y` that must be used
  --> $DIR/unused_attributes-must_use.rs:104:5
   |
LL |     Y::Z;
   |     ^^^^^

error: unused `U` that must be used
  --> $DIR/unused_attributes-must_use.rs:105:5
   |
LL |     U { unit: () };
   |     ^^^^^^^^^^^^^^^

error: unused return value of `U::method` that must be used
  --> $DIR/unused_attributes-must_use.rs:106:5
   |
LL |     U::method();
   |     ^^^^^^^^^^^^

error: unused return value of `foo` that must be used
  --> $DIR/unused_attributes-must_use.rs:107:5
   |
LL |     foo();
   |     ^^^^^^

error: unused return value of `foreign_foo` that must be used
  --> $DIR/unused_attributes-must_use.rs:110:9
   |
LL |         foreign_foo();
   |         ^^^^^^^^^^^^^^

error: unused return value of `Use::get_four` that must be used
  --> $DIR/unused_attributes-must_use.rs:118:5
   |
LL |     ().get_four();
   |     ^^^^^^^^^^^^^^

error: aborting due to 28 previous errors