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Correct a misspelling of RUSTC_LOG #2594

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Sep 21, 2025
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Correct a misspelling of RUSTC_LOG #2594

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2 changes: 1 addition & 1 deletion src/tracing.md
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Expand Up @@ -109,7 +109,7 @@ Miri, use `MIRI_LOG` instead. You get the idea :)

See the [`tracing`] crate's docs, and specifically the docs for [`debug!`] to
see the full syntax you can use. (Note: unlike the compiler, the [`tracing`]
crate and its examples use the `RUST_LOG` environment variable. rustc, rustdoc,
crate and its examples use the `RUSTC_LOG` environment variable. rustc, rustdoc,
and other tools set custom environment variables.)

**Note that unless you use a very strict filter, the logger will emit a lot of
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