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Logging without a Rust framework
Learn how to set up highlight.io Rust log ingestion.
1
Set up your highlight.io SDK.
First, make sure you've followed the backend getting started guide.
2
Install the log crate.
Highlight works with the log crate to make logging easier.
[dependencies]
log = "0.4"
3
Call the logging facades.
Highlight::init automatically installs a logging backend, so you can call any of the log crate's macros to emit logs. NOTE: env_logger only logs errors on the console out by default, so to see your logs, run your project with the RUST_LOG=<crate name> environment variable, or RUST_LOG=trace to see everything.
use log::{trace, debug, info, warn, error};
// ...
trace!("This is a trace! log. {:?}", "hi!");
debug!("This is a debug! log. {}", 3 * 3);
info!("This is an info! log. {}", 2 + 2);
warn!("This is a warn! log.");
error!("This is an error! log.");4
Verify your backend logs are being recorded.
Visit the highlight logs portal and check that backend logs are coming in.