Enum BackendLaunchError 

pub enum BackendLaunchError {
    EmptyBinaryPath,
    EmptyPerVersionBinaryDir,
    CanonicalizeBinary {
        path: PathBuf,
        source: Error,
    },
    CanonicalizeBinaryRoot {
        path: PathBuf,
        source: Error,
    },
    BinaryOutsideAllowRoot {
        binary: PathBuf,
        root: PathBuf,
    },
    AllocatorPoisoned,
    Endpoint(BackendEndpointAllocatorError),
    Spawn(Error),
    Identity(IdentityError),
    BackendHandle(BackendHandleError),
    Launcher(String),
}

Errors raised while launching a backend.

Variants

EmptyBinaryPath

The service definition did not include a backend binary path.

EmptyPerVersionBinaryDir

The service definition did not include the per-version allow-list root.

CanonicalizeBinary

The backend binary path could not be canonicalized.

Fields

path: PathBuf

Path that failed canonicalization.

source: Error

Filesystem error.

CanonicalizeBinaryRoot

The backend allow-list root could not be canonicalized.

Fields

path: PathBuf

Root path that failed canonicalization.

source: Error

Filesystem error.

BinaryOutsideAllowRoot

The binary was outside the configured per-version allow-list root.

Fields

binary: PathBuf

Canonical backend binary path.

root: PathBuf

Canonical allow-list root.

AllocatorPoisoned

Endpoint allocator state was poisoned.

Endpoint(BackendEndpointAllocatorError)

Canonical endpoint allocation failed.

Spawn(Error)

Detached process creation failed.

Identity(IdentityError)

Spawned daemon identity construction failed.

BackendHandle(BackendHandleError)

Spawned daemon verification failed.

Launcher(String)

Test or custom launcher failure.

Trait Implementations

impl Debug for BackendLaunchError

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

Formats the value using the given formatter.

impl Display for BackendLaunchError

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

Formats the value using the given formatter.

impl Error for BackendLaunchError

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<BackendEndpointAllocatorError> for BackendLaunchError

fn from(source: BackendEndpointAllocatorError) -> Self

Converts to this type from the input type.

impl From<BackendHandleError> for BackendLaunchError

fn from(source: BackendHandleError) -> Self

Converts to this type from the input type.

impl From<IdentityError> for BackendLaunchError

fn from(source: IdentityError) -> Self

Converts to this type from the input type.