diff --git a/autorun_post.py b/autorun_post.py
index b808648f2..444761eeb 100755
--- a/autorun_post.py
+++ b/autorun_post.py
@@ -34,47 +34,46 @@ def generateTestCompletionTables(output_dir, completion_table):
 
 
 def generateCoverageReport(output_dir, repo_dir):
-    with open(os.path.join(output_dir, 'coverage.log'), 'w+') as log_file:
-        coveragePath = os.path.join(output_dir, '**', 'cov_total.info')
-        covfiles = [os.path.abspath(p) for p in glob.glob(coveragePath, recursive=True)]
-        for f in covfiles:
-            print(f, file=log_file)
-        if len(covfiles) == 0:
-            return
-        lcov_opts = [
-            '--rc lcov_branch_coverage=1',
-            '--rc lcov_function_coverage=1',
-            '--rc genhtml_branch_coverage=1',
-            '--rc genhtml_function_coverage=1',
-            '--rc genhtml_legend=1',
-            '--rc geninfo_all_blocks=1',
-        ]
-        cov_total = os.path.abspath(os.path.join(output_dir, 'cov_total.info'))
-        coverage = os.path.join(output_dir, 'coverage')
-        lcov = 'lcov' + ' ' + ' '.join(lcov_opts) + ' -q -a ' + ' -a '.join(covfiles) + ' -o ' + cov_total
-        genhtml = 'genhtml' + ' ' + ' '.join(lcov_opts) + ' -q ' + cov_total + ' --legend' + ' -t "Combined" --show-details -o ' + coverage
-        try:
-            subprocess.check_call([lcov], shell=True, stdout=log_file, stderr=log_file)
-        except subprocess.CalledProcessError as e:
-            print("lcov failed", file=log_file)
-            print(e, file=log_file)
-            return
-        cov_total_file = open(cov_total, 'r')
-        replacement = "SF:" + repo_dir
-        file_contents = cov_total_file.readlines()
-        cov_total_file.close()
-        os.remove(cov_total)
-        with open(cov_total, 'w+') as file:
-            for Line in file_contents:
-                Line = re.sub("^SF:.*/repo", replacement, Line)
-                file.write(Line + '\n')
-        try:
-            subprocess.check_call([genhtml], shell=True, stdout=log_file, stderr=log_file)
-        except subprocess.CalledProcessError as e:
-            print("genhtml failed", file=log_file)
-            print(e, file=log_file)
-        for f in covfiles:
-            os.remove(f)
+    coveragePath = os.path.join(output_dir, '**', 'cov_total.info')
+    covfiles = [os.path.abspath(p) for p in glob.glob(coveragePath, recursive=True)]
+    for f in covfiles:
+        print(f)
+    if len(covfiles) == 0:
+        return
+    lcov_opts = [
+        '--rc lcov_branch_coverage=1',
+        '--rc lcov_function_coverage=1',
+        '--rc genhtml_branch_coverage=1',
+        '--rc genhtml_function_coverage=1',
+        '--rc genhtml_legend=1',
+        '--rc geninfo_all_blocks=1',
+    ]
+    cov_total = os.path.abspath(os.path.join(output_dir, 'cov_total.info'))
+    coverage = os.path.join(output_dir, 'coverage')
+    lcov = 'lcov' + ' ' + ' '.join(lcov_opts) + ' -q -a ' + ' -a '.join(covfiles) + ' -o ' + cov_total
+    genhtml = 'genhtml' + ' ' + ' '.join(lcov_opts) + ' -q ' + cov_total + ' --legend' + ' -t "Combined" --show-details -o ' + coverage
+    try:
+        subprocess.check_call([lcov], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    except subprocess.CalledProcessError as e:
+        print("lcov failed")
+        print(e)
+        return
+    cov_total_file = open(cov_total, 'r')
+    replacement = "SF:" + repo_dir
+    file_contents = cov_total_file.readlines()
+    cov_total_file.close()
+    os.remove(cov_total)
+    with open(cov_total, 'w+') as file:
+        for Line in file_contents:
+            Line = re.sub("^SF:.*/repo", replacement, Line)
+            file.write(Line + '\n')
+    try:
+        subprocess.check_call([genhtml], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    except subprocess.CalledProcessError as e:
+        print("genhtml failed")
+        print(e)
+    for f in covfiles:
+        os.remove(f)
 
 
 def collectOne(output_dir, dir_name):