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Use eddyb's suggestion from #11 about logging

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mark 2019-03-19 18:50:01 -05:00 committed by Who? Me?!
parent 5ac9862f92
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src/compiler-debugging.md
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@ -162,9 +162,10 @@ your log filter, e.g. to get the logs for a specific module, you can run the
compiler as `RUST_LOG=module::path rustc my-file.rs`. All `debug!` output will compiler as `RUST_LOG=module::path rustc my-file.rs`. All `debug!` output will
then appear in standard error. then appear in standard error.
Note that unless you use a very strict filter, the logger will emit a *lot* **Note that unless you use a very strict filter, the logger will emit a lot of
of output - so it's typically a good idea to pipe standard error to a file output, so use the most specific module(s) you can (comma-separated if
and look at the log output with a text editor. multiple)**. It's typically a good idea to pipe standard error to a file and
look at the log output with a text editor. You should also .
So to put it together. So to put it together.