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Our logging library, `tracing` supports structured logging. This is useful because it preserves the more than just the string representation of a value and thus allows the active logging backend(s) to capture more information for a particular value. In the case of errors, this is especially useful because it allows us to capture the sources of a particular error. Unfortunately, recording an error as a tracing value is a bit cumbersome because `tracing::Value` is only implemented for `&dyn std::error::Error`. Casting an error to this is quite verbose. To make it easier, we introduce two utility functions in `firezone-logging`: - `std_dyn_err` - `anyhow_dyn_err` Tracking errors as correct `tracing::Value`s will be especially helpful once we enable Sentry's `tracing` integration: https://docs.rs/sentry-tracing/latest/sentry_tracing/#tracking-errors