linux czmq/src/zhash.c:892: void zhash_test(_Bool): Assertion `item' failed.

[calvin2021y]

test commit it: 349564d

OK
tests_net_zmq.exe:  czmq/src/zhash.c:892: void zhash_test(_Bool): Assertion `item' failed.
Aborted

[calvin2021y]

the dir name .cache should replace with a random name to avoid duplicate.

and zhash_save return error is not checked here.

[sphaero]

Yes it can happen that some directory names conflict. Would be best to generate random named dirs.