don't have both MIRI_SYSROOT and --sysroot

diff --git a/src/bin/cargo-miri.rs b/src/bin/cargo-miri.rs
index ae9b2efa67500b0292cd8d304acaf7f820a956c0..53b849a1a70c26276766dfb2ad2fb09c8d98680d 100644 (file)
--- a/src/bin/cargo-miri.rs
+++ b/src/bin/cargo-miri.rs
@@ -458,6 +458,7 @@ fn inside_cargo_rustc() {
     } else {
         Command::new("rustc")
     };
+    command.env_remove("MIRI_SYSROOT"); // we already set the --sysroot flag
     command.args(&args);
     if has_arg_flag("-v") {
         eprintln!("+ {:?}", command);