e relied on for safety.unsafe precondition(s) violated: hint::unreachable_unchecked must never be reached

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.size overflows MAX_SIZEassertion failed: indices.len() > 0assertion failed: index < MAX_SIZEConnectionRefusedConnectionResetHostUnreachableNetworkUnreachableConnectionAbortedNotConnectedAddrInUseNetworkDownBrokenPipeAlreadyExistsWouldBlockNotADirectoryIsADirectoryDirectoryNotEmptyReadOnlyFilesystemFilesystemLoopStaleNetworkFileHandleInvalidInputInvalidDataWriteZeroStorageFullNotSeekableQuotaExceededFileTooLargeResourceBusyExecutableFileBusyCrossesDevicesTooManyLinksInvalidFilenameArgumentListTooLongInterruptedUnsupportedUnexpectedEofOutOfMemoryInProgressOtherUncategorizedCð8