Error handling update: now uses prepend in most cases

2 jobs for master in 2 minutes and 24 seconds (queued for 3 seconds)
Name Stage Failure
failed
style:check Test
         .encoder(Box::new(PatternEncoder::new(
"[{d(%Y-%m-%d %H:%M:%S)}] {h({l:10.10})}: {m}{n}",
- ))).target(Target::Stderr)
+ )))
+ .target(Target::Stderr)
.build();

let config = Config::builder()
ERROR: Job failed: exit status 1