Emit tracing logs from Cargo itself.
Section: Environment variables
Enable Cargo debug logging
bash
bash
CARGO_LOG=debug cargo buildExplanation
`CARGO_LOG` is used for Cargo debug logging.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Environment variables
Set target dir by environment variable
Redirect build artifacts without editing config files.
Create project-local Cargo config
Store configuration in the project under `.cargo/config.toml`.