Just had a major meltdown with some atarilynx rom scraping which seemed fine before. Can you see where the issue may be?

github.com/sselph/scraper/ds.(*Hasher).Hash(0x1080aa90, 0x10f1d320, 0x23, 0x0, 0x0, 0x0, 0x0)
        /home/sselph/go/src/github.com/sselph/scraper/ds/hasher.go:32 +0x170 fp=0x1a462a4c sp=0x1a4629e0
github.com/sselph/scraper/ds.(*Hasher).Hash(0x1080aa90, 0x10f1d320, 0x23, 0x0, 0x0, 0x0, 0x0)
        /home/sselph/go/src/github.com/sselph/scraper/ds/hasher.go:32 +0x170 fp=0x1a462ab8 sp=0x1a462a4c
github.com/sselph/scraper/ds.(*Hasher).Hash(0x1080aa90, 0x10f1d320, 0x23, 0x0, 0x0, 0x0, 0x0)
        /home/sselph/go/src/github.com/sselph/scraper/ds/hasher.go:32 +0x170 fp=0x1a462b24 sp=0x1a462ab8
...additional frames elided...
created by main.CrawlROMs
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:173 +0x5e4

goroutine 1 [chan send]:
main.CrawlROMs(0x11522cc0, 0x10a48010, 0x1, 0x1, 0x10810140, 0x1080aa88, 0x0, 0x0)
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:184 +0xf98
main.Scrape(0x10a48010, 0x1, 0x1, 0x10810140, 0x1080aa88, 0x0, 0x0)
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:285 +0x194
main.main()
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:414 +0xf54

goroutine 5 [syscall]:
os/signal.loop()
        /usr/local/go/src/os/signal/signal_unix.go:21 +0x1c
created by os/signal.init·1
        /usr/local/go/src/os/signal/signal_unix.go:27 +0x40

goroutine 15 [chan receive]:
main.func·003()
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:187 +0x60
created by main.CrawlROMs
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:184 +0x938

goroutine 14 [chan receive]:
main.func·002()
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:177 +0x94
created by main.CrawlROMs
        /home/sselph/go/src/github.com/sselph/scraper/scraper.go:180 +0x6b8

goroutine 10 [select]:
net.func·019()
        /usr/local/go/src/net/dnsclient_unix.go:241 +0x310