poudriere-devel failed to build lang/rust (rust-1.43.1)

[David Wolfskill]

In my environment, I have a designated "build machine" (named
"freebeast"); in addition to building FreeBSD for itself and a couple of
other machines, it also builds packages (via devel/poudriere-devel) for
those other machines.  (Each machine is amd64, running stable/12.)

The other machines get weekly updates (every Sunday), so I set up
freebeast to build the bulk of the packages every Saturday, then
(usually) the Sunday set of packages to build is relatively small (so I
can get the weekly updates done faster than if I were to wait until
Sunday to build all the packages that warrant rebuilding).

Details are in http://www.catwhisker.org/~david/FreeBSD/upgrade.html.

Today, after building stable/12 & head, I set freebeast to building
packages; a while later, Spouse and I took the tandem bike out for a
ride (for about 2.5 hours).  A whlie later, I noticed that freebeast was
still chugging away; ^T revealed that it was building www/chromium
(which was expected); it also revealed that there had been a failure
(which was not):

load: 8.59  cmd: sh 99503 [piperd] 35609.83r 1.23u 1.88s 0% 2156k
[12amd64-ports-home] [2020-05-23_12h08m48s] [parallel_build:] Queued: 1003 Built: 999  Failed: 1    Skipped: 2    Ignored: 0    Tobuild: 1     Time: 09:53:48
        [05]: www/chromium              | chromium-81.0.4044.138_1  build           (03:59:48 / 04:08:53)
[09:53:49] Logs: /tank/poudriere/poudriere/data/logs/bulk/12amd64-ports-home/2020-05-23_12h08m48s


A quick check revealed that lang/rust was the failing port; I've
dumped a copy of the poudriere log (there's a gzipped copy there, as
well) and an "info.txt" file that shows things like "uname -a" output
from freebeast, as well as information about ports-mgmt/poudriere-devel
and the current state of the SVN working copies for src & ports.

It appears (to my eye that is quite unfamiliar with rust) that the first
failure in the log is:

sysroot: "/wrkdirs/usr/ports/lang/rust/work/rustc-1.43.1-src/build/x86_64-unknown-freebsd/stage1"
libdir: "/wrkdirs/usr/ports/lang/rust/work/rustc-1.43.1-src/build/x86_64-unknown-freebsd/stage1/lib"
error: could not compile `rustc_lint`.

(which shows up quite near the end of the supplied log file).

Please note that the machine has been building www/firefox (and
thus, lang/rust) routinely for quite some time, so this is a little
surprising.

Even more surprising is that my laptop, where I also have www/firefox
installed, and which I update via ports-mgmt/portmaster, has rust-1.43.1
built and installed, apparently without issue (other than consuming time
and generating heat).

I expect that once www/chromium finally finishes, I'll give poudriere
another chance at the "stragglers" (and record the results in
http://www.catwhisker.org/~david/FreeBSD/ports/rust/).

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
"The Liar Tweets Tonight": https://www.youtube.com/watch?v=TkU1ob_lHCw

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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