pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5858-FtFIoD2.ps) >>/Users/jc/w/tmp/Tune-5858-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Feuillet_Essex/FtFIoD2.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_58586.log 330696 Log file, useful mostly for debugging
Coll_58587.log 263256 Log file, useful mostly for debugging
Form_5858.log 957 Log file, useful mostly for debugging
Form_58581.log 829 Log file, useful mostly for debugging
Form_58582.log 831 Log file, useful mostly for debugging
Form_58586.log 825 Log file, useful mostly for debugging
Tune-5858-FtFIoD2.abc 7355 ABC music file with the extracted tune(s)
Tune-5858-FtFIoD2.ps 64351 PostScript
Tune-5858-FtFIoD2.txt 7355 Plain-text file with the extracted tune(s)
Tune-5858-get.log 9757 Log file, useful mostly for debugging
Tune-58582-get.log 5329 Log file, useful mostly for debugging
These files should be available for 24 hours.