Enum TracingError 

pub enum TracingError {
    AlreadyActive,
    SessionExhausted,
    SubscriberInstallFailed(String),
}

Errors from tracing operations.

Variants

AlreadyActive

A trace capture session is already active.

SessionExhausted

The single-use trace session was already started and stopped. Only one session per process lifetime is supported.

SubscriberInstallFailed(String)

Failed to install the global subscriber (another was already set by user code outside the HAL).

Trait Implementations

impl Debug for TracingError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for TracingError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for TracingError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.