Enum rustc_version::Error

pub enum Error {
    CouldNotExecuteCommand(Error),
    CommandError {
        stdout: String,
        stderr: String,
    },
    Utf8Error(Utf8Error),
    UnexpectedVersionFormat,
    ReqParseError(ReqParseError),
    SemVerError(SemVerError),
    UnknownPreReleaseTag(Identifier),
    LlvmVersionError(LlvmVersionParseError),
}

The error type for this crate.

Variants

CouldNotExecuteCommand(Error)

An error occurred while trying to find the rustc to run.

CommandError

Error output from the command that was run.

Fields of CommandError

stdout: String

stdout output from the command

stderr: String

stderr output from the command

Utf8Error(Utf8Error)

The output of rustc -vV was not valid utf-8.

UnexpectedVersionFormat

The output of rustc -vV was not in the expected format.

ReqParseError(ReqParseError)

An error occurred in parsing a VersionReq.

SemVerError(SemVerError)

An error occurred in parsing the semver.

UnknownPreReleaseTag(Identifier)

The pre-release tag is unknown.

LlvmVersionError(LlvmVersionParseError)

An error occurred in parsing a LlvmVersion.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<LlvmVersionParseError> for Error

pub fn from(e: LlvmVersionParseError) -> Error

Performs the conversion.

impl From<ReqParseError> for Error

pub fn from(e: ReqParseError) -> Error

Performs the conversion.

impl From<SemVerError> for Error

pub fn from(e: SemVerError) -> Error

Performs the conversion.

impl From<Utf8Error> for Error

pub fn from(e: Utf8Error) -> Error

Performs the conversion.