Revert "revert logging commit (pr 4124)"

This reverts commit 609005f.

Author: wileyj

stacks-common/src/util/log.rs

@@ -238,7 +238,8 @@ fn make_logger() -> Logger {
         let plain = slog_term::PlainSyncDecorator::new(slog_term::TestStdoutWriter);
         let isatty = isatty(Stream::Stdout);
         let drain = TermFormat::new(plain, false, debug, isatty);
-        Logger::root(drain.ignore_res(), o!())
+        let logger = Logger::root(drain.ignore_res(), o!());
+        logger
     }
 }