rhg: propogate error coming from HgError::Abort to CommandError

Differential Revision: https://phab.mercurial-scm.org/D10839
15 jobs for topic/default/rust-exitcode in 32 minutes and 36 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Tests
manual check-pytype-py3 #205587
allowed to fail manual
passed checks-py2 #205574

00:02:47

passed checks-py3 #205575

00:03:38

passed rust-cargo-test-py2 #205576

00:02:10

passed rust-cargo-test-py3 #205577

00:02:21

passed test-py2 #205578

00:29:58

passed test-py2-chg #205585

00:24:16

passed test-py2-pure #205580

00:24:14

passed test-py2-rust #205582

00:25:43

passed test-py3 #205579

00:21:04

passed test-py3-chg #205586

00:14:14

passed test-py3-pure #205581

00:22:42

passed test-py3-rhg #205584

00:24:09

passed test-py3-rust #205583

00:18:28

 
  Phabricator
passed phabricator-refresh #205588

00:00:38