add extra output to stderr as requested by @chillenzer

Author: PrometheusPi

bin/cuda_memtest.sh

@@ -40,7 +40,9 @@ output=`cuda_memtest --disable_all --device $host_rank $enable_gpu_tests --num_p
 if [ $? -ne 0 ] ; then
    host_name=`hostname`
    if [ ! -d "$old_path" ]; then
-      echo "Error: $0 did not find directory: $old_path (on host: $host_name with rank: $host_rank)" >&2
+       echo "Error: $0 did not find directory: $old_path (on host: $host_name with rank: $host_rank)" >&2
+       echo "error message of memtest is:" >&2
+       echo -e "$output" >&2
       exit 2
    else
       echo -e "$output" > $old_path/cuda_memtest_"$host_name"_"$host_rank".err