1error: macros that expand to items must be delimited with braces or followed by a semicolon 2 --> tests/ui/const_instrument.rs:3:1 3 | 43 | #[tracing::instrument] 5 | ^^^^^^^^^^^^^^^^^^^^^^ 6 | 7 = note: this error originates in the attribute macro `tracing::instrument` (in Nightly builds, run with -Z macro-backtrace for more info) 8 9error: the `#[instrument]` attribute may not be used with `const fn`s 10 --> tests/ui/const_instrument.rs:3:1 11 | 123 | #[tracing::instrument] 13 | ^^^^^^^^^^^^^^^^^^^^^^ 14 | 15 = note: this error originates in the attribute macro `tracing::instrument` (in Nightly builds, run with -Z macro-backtrace for more info) 16