Jun  2 08:33:11 ci2-netbsd-test-2 postfix/master[671]: fatal: cannot update lock file /var/db/postfix/master.lock: No space left on device

Jun  2 08:33:12 ci2-netbsd-test-2 postfix/master[548]: fatal: daemon initialization failure

Jun  2 08:33:13 ci2-netbsd-test-2 postfix/postfix-script[567]: fatal: mail system startup failed

/etc/rc.d/postfix exited with code 1
Starting inetd.
Starting cron.
The following components reported failures:
    /etc/rc.d/postfix
See /var/run/rc.log for more information.
Sun Jun  2 08:33:14 UTC 2019
Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts.
2019/06/02 08:33:16 fuzzer started
2019/06/02 08:33:16 connecting to host at 10.128.0.105:40311
2019/06/02 08:33:16 checking machine...
2019/06/02 08:33:16 checking revisions...
2019/06/02 08:33:16 testing simple program...
2019/06/02 08:33:16 BUG: program execution failed: executor 0: EOF
open of /dev/kcov failed (errno 2)