D7503: rust-dirs: address failing tests for `dirs` impl with a temporary fix

[marmoute (Pierre-Yves David)]

marmoute added inline comments.

INLINE COMMENTS

> lib.rs:117
> +        }
> +    }
>  }

Should we also have the path included in that error ?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7503/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7503

To: Alphare, #hg-reviewers
Cc: marmoute, durin42, kevincox, mercurial-devel