rustc option "instrument-coverage" stabilized

kazuk · kazuk · commit e8edfef3607e · 2022-03-03T08:01:57.000+09:00
rust-lang/rust#90132
diff --git a/README.md b/README.md
@@ -174,7 +174,7 @@ RUSTC_BOOTSTRAP=1`, which basically turns your stable rustc into a Nightly one.
 2. Ensure that the following environment variable is set up:
 
    ```sh
-   export RUSTFLAGS="-Zinstrument-coverage"
+   export RUSTFLAGS="-C instrument-coverage"
    ```
 
 3. Build your code:
