diff --git a/helpers/check-abi.py b/helpers/check-abi.py
--- a/helpers/check-abi.py
+++ b/helpers/check-abi.py
@@ -12,11 +12,14 @@
 
 import argparse
 import collections
+import decimal
 import logging
 import os
+import re
 import subprocess
 import sys
 import time
+import yaml
 
 from helperslib import Packages
 from helperslib.Version import Version
@@ -59,6 +62,25 @@
 		return candidate
 
 
+def parseACCOutputToDict(stdout):
+	"""Parse output of abi-compliance-checker for further processing and returning a dict.
+	extract binary/source compatibility from acc
+	and calculate a simple bool for the compatibibility.
+	"""
+	checkBlock = re.compile(br"""^Binary compatibility: (?P<binary>[0-9.]+)%\s*
+Source compatibility: (?P<source>[0-9.]+)%\s*$""", re.M)
+	m = checkBlock.search(stdout).groupdict()
+
+	m['binary'] = decimal.Decimal(m['binary'].decode())
+	m['source'] = decimal.Decimal(m['source'].decode())
+	compatibility = m['binary'] == 100 and m['source'] == 100
+
+	return {
+			'binaryCompatibility': float(m['binary']),
+			'sourceCompatibility': float(m['source']),
+			'compatibility': compatibility,
+	}
+
 # Make sure logging is ready to go
 logging.basicConfig(level=logging.DEBUG)
 
@@ -181,17 +203,44 @@
 
 	logging.info("check %s(old) -> %s(new)", candidate['scmRevision'], library['scmRevision'])
 
+	reportPath = "compat_reports/{libname}_compat_report.html".format(libname=libname)
+
+	yml = {
+			'reportPath': reportPath,
+			'libname': libname,
+			'otherCommit': candidate['scmRevision'],
+	}
+
+	if candidate['scmRevision'] in HASH2TAG:
+		yml['tag'] = HASH2TAG[candidate['scmRevision']].version
+
 	# check ABI and write compat reports
-	cmd = ["abi-compliance-checker",
-			"-report-path", "compat_reports/{libname}_compat_report.html".format(libname=libname),
+	cmd = [
+			"abi-compliance-checker",
+			"-report-path", reportPath,
 			"-l", libname,
 			"--old", oldLibraryPath,
-			"--new", newLibraryPath]
-	ret = subprocess.call(cmd)
-
-	if ret != 0:
-		logging.error("abi-compliance-checker exited with %s", ret)
-		retval = ret
+			"--new", newLibraryPath,
+	]
+	logging.debug(" ".join(cmd))
+	try:
+		prog = subprocess.run(cmd, check=True, capture_output=True)
+	except subprocess.CalledProcessError as e:
+		if e.returncode == 1:    # that means that we are not compatible, but still valid output.
+			logging.warning("abi-compliance-checker exited with 1:\n%s", prog.stdout.decode())
+
+			yml.update(parseACCOutputToDict(e.stdout))
+		else:
+			logging.error("abi-compliance-checker exited with %s:\nstdout:\n\ŧ%s\nstderr:\n\t%s", e.returncode, e.stdout.decode(), e.stderr.decode())
+		retval = e.returncode
+		yml['error'] = e.returncode
+	else:
+		logging.debug(prog.stdout.decode())
+		yml.update(parseACCOutputToDict(prog.stdout))
+
+	print("---YAML START---\n")
+	print(yaml.dump(yml, default_flow_style=False))
+	print("---YAML END---")
 
 # We had an issue with one of the ABIs
 if retval != 0: