Pin Travis to nightly-2019-09-10

dtolnay · dtolnay · commit 2d610bf104ce · 2019-09-14T17:25:03.000-07:00
Tests are broken on newer nightlies by rust-lang/rust#64477.
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@ language: rust
 
 matrix:
   include:
-    - rust: nightly
+    - rust: nightly-2019-09-10
       script: cargo test
     - rust: stable
       script: cargo check
