Jun  1 08:22:36 ci2-netbsd-test-1 postfix/master[602]: fatal: cannot update lock file /var/db/postfix/master.lock: No space left on device

Jun  1 08:22:37 ci2-netbsd-test-1 postfix/master[403]: fatal: daemon initialization failure

Jun  1 08:22:38 ci2-netbsd-test-1 postfix/postfix-script[660]: 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.
Sat Jun  1 08:22:40 UTC 2019
Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts.
2019/06/01 08:22:42 fuzzer started
2019/06/01 08:22:42 connecting to host at 10.128.0.105:36303
2019/06/01 08:22:42 checking machine...
2019/06/01 08:22:42 checking revisions...
2019/06/01 08:22:42 testing simple program...
2019/06/01 08:22:42 BUG: program execution failed: executor 0: EOF
open of /dev/kcov failed (errno 2)