Use Xenial image and fix find call

diff --git a/.travis.yml b/.travis.yml
index 94043517266f65b99095d26e21ee15893e0fa5a4..c6e22d765427823e26e7ecde12ad4c4bb7a37a4d 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,13 @@
 cache: cargo
 before_cache:
-    - find ./target/debug -type f -maxdepth 1 -delete
+    - find ./target/debug -maxdepth 1 -type f -delete
     - rm -fr ./target/debug/{deps,.fingerprint}/{*ra_*,*test*,*tools*,*gen_lsp*,*thread_worker*}
     - rm -f  ./target/.rustc_info.json
 
 matrix:
     include:
         - os: linux
+          dist: xenial
           language: rust
           rust: stable
           script: