unused variable: `timer`

field `id` is never read

ambiguous glob re-exports

unused import: `batch_inversion`

use of deprecated method `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended

function cannot return without recursing

unused variable: `rng`

calls to `std::mem::drop` with a reference instead of an owned value does nothing

call to `.borrow()` on a reference in this situation does nothing