Enum CoverageError 

pub enum CoverageError {
    ToolNotInstalled,
    SubprocessFailed(String),
    ParseError(String),
    Io(Error),
}

Errors that can arise during a coverage run.

Variants

ToolNotInstalled

cargo-llvm-cov is not installed.

SubprocessFailed(String)

The coverage subprocess returned a non-zero exit code.

ParseError(String)

The coverage output could not be parsed as JSON of the expected shape.

Io(Error)

An I/O error occurred while reading or writing baseline files.

Trait Implementations

impl Debug for CoverageError

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

Formats the value using the given formatter.

impl Display for CoverageError

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

Formats the value using the given formatter.

impl Error for CoverageError

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.

impl From<Error> for CoverageError

fn from(e: Error) -> Self

Converts to this type from the input type.