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-rw-r--r--src/doc/rustc-dev-guide/.travis.yml2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/.travis.yml b/src/doc/rustc-dev-guide/.travis.yml
index bd72a03fc0b..8fa2f0c1df1 100644
--- a/src/doc/rustc-dev-guide/.travis.yml
+++ b/src/doc/rustc-dev-guide/.travis.yml
@@ -3,6 +3,8 @@ rust:
 - nightly
 cache:
 - cargo
+- directories:
+  - book/linkcheck/
 before_install:
 - shopt -s globstar
 - MAX_LINE_LENGTH=100 bash ci/check_line_lengths.sh src/**/*.md