diff --git a/.travis.yml b/.travis.yml
index 79bd0acf324f5..7b2e5b061fd4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: cpp
 os:
     - linux
 compiler: 
-    - clang
     - gcc
 notifications:
     email: false
@@ -26,6 +25,8 @@ before_install:
 script:
     - make $BUILDOPTS prefix=/tmp/julia install
     - cd .. && mv julia julia2
-    - cd /tmp/julia/share/julia/test && /tmp/julia/bin/julia-debug runtests.jl all
+    - cd /tmp/julia/share/julia/test && JULIA_CPU_CORES=1 /tmp/julia/bin/julia-debug --code-coverage=all runtests.jl all
     - cd - && mv julia2 julia
+    - cd /tmp/julia/share/julia
+    - /tmp/julia/bin/julia-debug -e 'Pkg.add("JSON"); Pkg.clone("git://github.com/timholy/Coverage.jl.git"); using Coverage; Coveralls.submit(Coveralls.process_folder("base"))'
     - echo "Ready for packaging..."
diff --git a/src/debuginfo.cpp b/src/debuginfo.cpp
index ae5486247b4a6..e92fb0aecd64a 100644
--- a/src/debuginfo.cpp
+++ b/src/debuginfo.cpp
@@ -579,6 +579,7 @@ extern "C" void jl_write_coverage_data(void)
             std::ifstream inf(filename.c_str());
             if (inf.is_open()) {
 		std::string outfile = filename + ".cov";
+		JL_PRINTF(JL_STDOUT, "Writing %s\n", outfile.c_str());
                 std::ofstream outf(outfile.c_str(), std::ofstream::trunc | std::ofstream::out);
                 char line[1024];
                 int l = 1;