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Diffstat (limited to 'src/librustdoc/lib.rs')
| -rw-r--r-- | src/librustdoc/lib.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index b6eb450d62b..5460bce21a5 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -739,6 +739,9 @@ fn main_args(at_args: &[String]) -> MainResult { } }; + // Set parallel mode before error handler creation, which will create `Lock`s. + interface::set_thread_safe_mode(&options.unstable_opts); + let diag = core::new_handler( options.error_format, None, |