free key on error

(cherry picked from commit 607c2d74)
15 jobs for 610-address-memory-leak-on-error-v9_12 in 7 minutes and 46 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Precheck
passed #72625
amd64 docker linux
precheck:debian:sid:amd64

00:00:19

 
  Build
passed #72626
amd64 docker linux
build:centos:centos6:amd64

00:02:26

passed #72627
amd64 docker linux
build:centos:centos7:amd64

00:02:32

passed #72628
amd64 docker linux
build:debian:sid:amd64

00:01:45

passed #72629
i386 docker linux
build:debian:sid:i386

00:02:03

 
  Test
passed #72630
amd64 docker linux
docs:debian:sid:amd64

00:00:52

passed #72639
amd64 docker linux
install:debian:sid:amd64

00:03:02

passed #72635
amd64 docker linux
systemtest:centos:centos6:amd64

00:04:39

passed #72636
amd64 docker linux
systemtest:centos:centos7:amd64

00:04:46

passed #72637
amd64 docker linux
systemtest:debian:sid:amd64

00:04:48

passed #72638
i386 docker linux
systemtest:debian:sid:i386

00:04:51

passed #72631
amd64 docker linux
unittest:centos:centos6:amd64

00:00:56

passed #72632
amd64 docker linux
unittest:centos:centos7:amd64

00:00:57

passed #72633
amd64 docker linux
unittest:debian:sid:amd64

00:00:57

passed #72634
i386 docker linux
unittest:debian:sid:i386

00:00:56