Jun  3 18:08:19 ci2-netbsd-test-0 postfix/master[682]: fatal: cannot update lock file /var/db/postfix/master.lock: No space left on device

Jun  3 18:08:21 ci2-netbsd-test-0 postfix/master[630]: fatal: daemon initialization failure

Jun  3 18:08:22 ci2-netbsd-test-0 postfix/postfix-script[671]: 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.
Mon Jun  3 18:08:23 UTC 2019
Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts.
2019/06/03 18:08:25 fuzzer started
2019/06/03 18:08:25 connecting to host at 10.128.0.105:40049
2019/06/03 18:08:25 checking machine...
2019/06/03 18:08:25 checking revisions...
2019/06/03 18:08:25 testing simple program...
2019/06/03 18:08:25 BUG: program execution failed: executor 0: EOF
open of /dev/kcov failed (errno 2)