| Log a debug message to the console | log env_logger | Debugging |
| Log an error message to the console | log env_logger | Debugging |
| Log to stdout instead of stderr | log env_logger | Debugging |
| Log messages with a custom logger | log | Debugging |
| Log to the Unix syslog | log syslog | Debugging |
| Enable log levels per module | log env_logger | Debugging |
| Use a custom environment variable to set up logging | log env_logger | Debugging |
| Include timestamp in log messages | log env_logger chrono | Debugging |
| Log messages to a custom location | log log4rs | Debugging |
| Log messages to the console | tracing tracing-subscriber | Debugging |