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Rollup merge of #89743 - matthewjasper:env-log-fix, r=jyn514

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Fix RUSTC_LOG handling

Rustc was incorrectly reading the value of `RUSTC_LOG` as the environment vairable with the logging configuration, rather than the logging configuration itself.
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Guillaume Gomez 2021-10-11 14:11:44 +02:00 committed by GitHub
commit 9183942e83
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compiler/rustc_driver/src/lib.rs
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@ -1259,7 +1259,7 @@ pub fn init_env_logger(env: &str) {
}; };
let filter = match std::env::var(env) { let filter = match std::env::var(env) {
Ok(env) => EnvFilter::from_env(env), Ok(env) => EnvFilter::new(env),
_ => EnvFilter::default().add_directive(filter::Directive::from(LevelFilter::WARN)), _ => EnvFilter::default().add_directive(filter::Directive::from(LevelFilter::WARN)),
}; };