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    cfg_trace! {
        cfg_rt! {
            pub(crate) use tracing::instrument::Instrumented;

            #[inline]
            #[cfg_attr(tokio_track_caller, track_caller)]
            pub(crate) fn task<F>(task: F, kind: &'static str) -> Instrumented<F> {
                use tracing::instrument::Instrument;
                #[cfg(tokio_track_caller)]
                let location = std::panic::Location::caller();
                #[cfg(tokio_track_caller)]
                let span = tracing::trace_span!(
                    target: "tokio::task",
                    "task",
                    %kind,
                    spawn.location = %format_args!("{}:{}:{}", location.file(), location.line(), location.column()),
                );
                #[cfg(not(tokio_track_caller))]
                let span = tracing::trace_span!(
                    target: "tokio::task",
                    "task",
                    %kind,
                );
                task.instrument(span)
            }
        }
    }

    cfg_not_trace! {
        cfg_rt! {
            #[inline]
            pub(crate) fn task<F>(task: F, _: &'static str) -> F {
                // nop
                task
            }
        }
    }