diff options
Diffstat (limited to 'library/test/src/cli.rs')
| -rw-r--r-- | library/test/src/cli.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/test/src/cli.rs b/library/test/src/cli.rs index 796796e07..9d22ebbee 100644 --- a/library/test/src/cli.rs +++ b/library/test/src/cli.rs @@ -309,7 +309,8 @@ fn parse_opts_impl(matches: getopts::Matches) -> OptRes { // FIXME: Copied from librustc_ast until linkage errors are resolved. Issue #47566 fn is_nightly() -> bool { // Whether this is a feature-staged build, i.e., on the beta or stable channel - let disable_unstable_features = option_env!("CFG_DISABLE_UNSTABLE_FEATURES").is_some(); + let disable_unstable_features = + option_env!("CFG_DISABLE_UNSTABLE_FEATURES").map(|s| s != "0").unwrap_or(false); // Whether we should enable unstable features for bootstrapping let bootstrap = env::var("RUSTC_BOOTSTRAP").is_ok(); |