Attempt 2/N

.travis.yml

@@ -1,12 +1,17 @@
 # Request an environment that provides sudo (that goes with larger containers)
 # and a minimal language environment.
-sudo: true
+
+# sudo: true
+
 language: minimal
 
 branches:
   only:
   - master
 
+before_install:
+  # Check how much space we've got on this machine.
+  - df -h
 install:
   - sudo apt-get -y update
   - sudo apt-get install -y clang cmake pkg-config libssl-dev
@@ -22,3 +27,6 @@ script:
   - if [ "$TRAVIS_PULL_REQUEST" != "true" ] && [ "$TRAVIS_BRANCH" == "master" ]; then
       ./publish-wasm.sh;
     fi
+after_script:
+  # Check how much free disk space left after the build
+  - df -h