For T97675 , a new hhvm package has been created (T106483). We need to upgrade the Trusty Jenkins slave.
```
hashar@integration-slave-trusty-1011:~$ apt-cache policy hhvm
hhvm:
Installed: 3.6.1+dfsg1-1+wm3
Candidate: 3.6.5+dfsg1-1+wm1
Version table:
3.6.5+dfsg1-1+wm1 0
1001 http://apt.wikimedia.org/wikimedia/ trusty-wikimedia/main amd64 Packages
*** 3.6.1+dfsg1-1+wm3 0
100 /var/lib/dpkg/status
```
Note there are several HHVM related packages:
```
hashar@integration-slave-trusty-1011:~$ dpkg -l '*hhvm*'
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-===========================-==================-==================-===========================================================
ii hhvm 3.6.1+dfsg1-1+wm3 amd64 HipHop Virtual Machine, a JIT replacement for PHP - main ru
un hhvm-api-20150212 <none> <none> (no description available)
ii hhvm-dev 3.6.1+dfsg1-1+wm3 amd64 HipHop Virtual Machine, a JIT replacement for PHP - develop
ii hhvm-fss 1.1.7 amd64 fast string search extension for HHVM
ii hhvm-luasandbox 2.0.11 amd64 Lua extension for HHVM
ii hhvm-tidy 0.1-4 amd64 tidy module for HHVM
ii hhvm-wikidiff2 1.3.4 amd64 external diff engine for MediaWiki (HHVM extension)
hashar@integration-slave-trusty-1011:~$
```
They might need a bump as well.