NB: This page says that bugs should be posted to https://bitbucket.org/klembot/twinejs/issues
but that webpage says that the repository has been deleted. Please let me know if there's somewhere else I should file bug reports.
Twine 2.2.1 on linux (64 bit) prints some disturbing error messages:
[8408:8433:0625/104534.834573:ERROR:nss_util.cc(747)] After loading Root Certs, loaded==false: NSS error code: -8018
[8447:8447:0625/104534.931099:ERROR:sandbox_linux.cc(346)] InitializeSandbox() called with multiple threads in process gpu-process.
Gkr-Message: secret service operation failed: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
$ /afs/cs.uwm.edu/package/twine/latest/Twine --version
$ cat /proc/version
Linux version 4.13.0-45-generic (buildd@lgw01-amd64-011) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9)) #50~16.04.1-Ubuntu SMP Wed May 30 11:18:27 UTC 2018