diff --git a/samples/Makefile.am b/samples/Makefile.am
index 0de96d6..4fa4cac 100644
--- a/samples/Makefile.am
+++ b/samples/Makefile.am
@@ -1,4 +1,5 @@
 TESTS = signal simple
+TESTS_ENVIRONMENT = CRITERION_ALWAYS_SUCCEED=1
 
 check_PROGRAMS = signal simple
 CFLAGS = -I$(top_srcdir)/include/
diff --git a/src/report.c b/src/report.c
index 3acf9ef..d5abda1 100644
--- a/src/report.c
+++ b/src/report.c
@@ -62,7 +62,9 @@ ReportHook(PRE_TEST)() {}
 ReportHook(POST_FINI)() {}
 
 ReportHook(PRE_EVERYTHING)() {}
-ReportHook(POST_EVERYTHING)() {}
+ReportHook(POST_EVERYTHING)(struct criterion_global_stats *stats) {
+    fprintf(stderr, "Synthesis: %lu tests were run. %lu passed, %lu failed (with %lu crashes)\n", stats->nb_tests, stats->tests_passed, stats->tests_failed, stats->tests_crashed);
+}
 
 ReportHook(ASSERT)(struct criterion_assert_stats *stats) {
     if (!stats->passed) {
diff --git a/src/runner.c b/src/runner.c
index 473a5c1..dba34f0 100644
--- a/src/runner.c
+++ b/src/runner.c
@@ -146,9 +146,16 @@ static void run_test(struct criterion_global_stats *stats, struct criterion_test
         if (WIFSIGNALED(status)) {
             test_stats->signal = WTERMSIG(status);
             if (test->data->signal == 0) {
+                struct event ev = { .kind = TEST_CRASH };
+                stat_push_event(stats, test_stats, &ev);
                 report(TEST_CRASH, test_stats);
             } else {
+                struct event ev = { .kind = POST_TEST };
+                stat_push_event(stats, test_stats, &ev);
                 report(POST_TEST, test_stats);
+
+                ev.kind = POST_FINI;
+                stat_push_event(stats, test_stats, &ev);
                 report(POST_FINI, test_stats);
             }
         }
@@ -156,7 +163,7 @@ static void run_test(struct criterion_global_stats *stats, struct criterion_test
 }
 
 // TODO: disable & change tests at runtime
-void run_all(void) {
+int run_all(void) {
     report(PRE_EVERYTHING, NULL);
     smart struct test_set *set = read_all_tests();
     smart struct criterion_global_stats *stats = stats_init();
@@ -164,8 +171,10 @@ void run_all(void) {
         abort();
     map_tests(set, stats, run_test);
     report(POST_EVERYTHING, stats);
+
+    return strcmp("1", getenv("CRITERION_ALWAYS_SUCCEED") ?: "0") && stats->tests_failed > 0;
 }
 
 int main(void) {
-    run_all();
+    return run_all();
 }