error[E0277]: the trait bound `f32: Termination` is not satisfied --> $DIR/termination-trait-test-wrong-type.rs:6:31 | LL | #[test] | ------- in this procedural macro expansion LL | fn can_parse_zero_as_f32() -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Termination` is not implemented for `f32` | = note: required for `Result` to implement `Termination` note: required by a bound in `assert_test_result` --> $SRC_DIR/test/src/lib.rs:LL:COL = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.