error: unused return value of `LoremBuilder::broken` that must be used --> tests/compile-fail/builder_setter_attr.rs:15:5 | 15 | LoremBuilder::default().broken(42); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: the lint level is defined here --> tests/compile-fail/builder_setter_attr.rs:1:9 | 1 | #![deny(unused_must_use)] | ^^^^^^^^^^^^^^^