Fix Travis, which has problems with BB

Author: staticfloat

.travis.yml

@@ -61,7 +61,7 @@ before_install:
         ln -s /usr/bin/g++-5 $HOME/bin/x86_64-linux-gnu-g++;
         gcc --version;
         BAR="bar -i 30";
-        BUILDOPTS="-j5 VERBOSE=1 FORCE_ASSERTIONS=1 LLVM_ASSERTIONS=1 USECCACHE=1";
+        BUILDOPTS="-j5 VERBOSE=1 FORCE_ASSERTIONS=1 LLVM_ASSERTIONS=1 USECCACHE=1 USE_BINARYBUILDER_LIBUV=0 USE_BINARYBUILDER_UNWIND=0";
         echo "override ARCH=$ARCH" >> Make.user;
         sudo sh -c "echo 0 > /proc/sys/net/ipv6/conf/lo/disable_ipv6";
         export JULIA_CPU_THREADS=4;