Remove "PROOF OF WORK FOUND?" debug output; redundant.
diff --git a/cpu-miner.c b/cpu-miner.c
index 847e74b..f9be60c 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -203,12 +203,12 @@ static void submit_work(struct work *work)
json_t *val, *res;
char s[345];
- printf("PROOF OF WORK FOUND? submitting...\n");
-
/* build hex string */
hexstr = bin2hex(work->data, sizeof(work->data));
- if (!hexstr)
+ if (!hexstr) {
+ fprintf(stderr, "submit_work OOM\n");
goto out;
+ }
/* build JSON-RPC request */
sprintf(s,