From ee9879918541e55f246d1f969022303c33e7feb4 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Thu, 26 Jul 2018 16:49:10 +0200
Subject: [PATCH] we no longer need to mess with the environment in our test
 suite

---
 tests/compiletest.rs | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/tests/compiletest.rs b/tests/compiletest.rs
index 38d806967281..82a2144a337d 100644
--- a/tests/compiletest.rs
+++ b/tests/compiletest.rs
@@ -8,7 +8,6 @@ use colored::*;
 use std::slice::SliceConcatExt;
 use std::path::{PathBuf, Path};
 use std::io::Write;
-use std::env;
 
 macro_rules! eprintln {
     ($($arg:tt)*) => {
@@ -111,9 +110,6 @@ fn miri_pass(sysroot: &Path, path: &str, target: &str, host: &str, need_fullmir:
         // For now, only validate without optimizations.  Inlining breaks validation.
         flags.push("-Zmir-emit-validate=1".to_owned());
     }
-    // Control miri logging. This is okay despite concurrent test execution as all tests
-    // will set this env var to the same value.
-    env::set_var("MIRI_LOG", "warn");
     config.target_rustcflags = Some(flags.join(" "));
     compiletest::run_tests(&config);
 }