$ debsnap -v tcpdump

<snip lots of packages downloaded successfully, until ...>

Getting json http://snapshot.debian.org/mr/package/tcpdump/3.3.1a2-1/srcfiles
Getting json http://snapshot.debian.org/mr/file/d0e769935cde5800dcc99706ada1d1b73767ddfc/info
Getting file tcpdump_3.3.1a2-1.dsc: http://snapshot.debian.org/file/d0e769935cde5800dcc99706ada1d1b73767ddfc
Getting json http://snapshot.debian.org/mr/file/d2cebcf8253c6d170dcdcb47e83f2660f1875845/info
Getting file tcpdump_3.3.1a2-1.diff.gz: http://snapshot.debian.org/file/d2cebcf8253c6d170dcdcb47e83f2660f1875845
Getting json http://snapshot.debian.org/mr/file/e2bb1c732b1b90d29bc36ab250d6be6455648a37/info
Getting file tcpdump_3.3.1a2.orig.tar.gz: http://snapshot.debian.org/file/e2bb1c732b1b90d29bc36ab250d6be6455648a37
Getting json http://snapshot.debian.org/mr/package/tcpdump/3.0.4-3/srcfiles
debsnap: fatal error at line 271:
malformed JSON string, neither array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/bin/debsnap line 86

reassign 587217 snapshot.debian.org
forcemerge 580273 587217
affects 580273 devscripts
thanks

This looks to be another instance of #580273.  Reassigning.

# You merged it to the wrong bug.  Please don't do that.
unmerge 587217
clone 587217 -1

# Also, debsnap not handling a 404 in a place where it's documented to be
# legal is still a debsnap bug.
reassign 587217 debsnap
merge -1 587238
thanks