pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1016-Traveller_1495-G-16-2.ps) >>/Users/jc/w/tmp/Tune-1016-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ONeills/reel/Traveller_1495-G-16-2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_10162.log 644269 Log file, useful mostly for debugging
Coll_10164.log 694262 Log file, useful mostly for debugging
Tune-1016-Traveller_1495-G-16-2.abc 566 ABC music file with the extracted tune(s)
Tune-1016-Traveller_1495-G-16-2.ps 36429 PostScript
Tune-1016-Traveller_1495-G-16-2.txt 566 Plain-text file with the extracted tune(s)
Tune-1016-get.log 6047 Log file, useful mostly for debugging
These files should be available for 24 hours.