in src/settings/config.rs [205:214]
fn try_from(value: &OwnedStruct) -> Result<Self, Self::Error> {
let mut debug = DebugConfig::default();
if let Some(elem) = value.get("log") {
debug.log = Some(PathBuf::from(
elem.as_str()
.ok_or(usage_error("`debug.log` should be a string"))?,
));
}
Ok(debug)
}