Prevent non-deterministic doctest failures

This is a workaround for commercialhaskell/stack#5159.
quchen · Feb 8, 2020 · f331188 · f331188
1 parent e4e3830
commit f331188
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -83,7 +83,7 @@ script:
     - _stack --travis_wait build
     - |
       if "${RUN_TESTSUITE:-false}"; then
-          _stack --travis_wait test && _stack --travis_wait haddock --no-haddock-deps
+          _stack --travis_wait test -j1 && _stack --travis_wait haddock --no-haddock-deps
       fi
     - |
       if "${BUILD_BENCHMARKS:-false}"; then