//! Log event passed to on_log callback.
//! Serializable for easy export to JSON reports.
useserde::{Deserialize, Serialize};/// Event emitted during test execution.
/// All events carry timestamp and can be serialized to JSON.
#[derive(Debug, Clone, Serialize, Deserialize)]pubstructEnvLog{/// ISO 8601 timestamp.
pubtimestamp: String,
/// Human-readable message.
pubmessage: String,
}