[Reproducible-builds] Bug#786669: ruby-celluloid: tests sometimes fail, causing ftbfs sometimes

[Holger Levsen]

source: ruby-celluloid
version: 0.16.0-1
Severity: serious
User: reproducible-builds at lists.alioth.debian.org
Usertags: randomness
x-debbugs-cc: reproducible-builds at lists.alioth.debian.org

Hi,

While working on the “reproducible builds” effort [1], we have noticed
that ruby-celluloid sometimes fails on it's testsuite, causing a ftbfs like 
this:

Failures:

  1) Probe on boot should capture system actor spawn
     Failure/Error: while ev = client.buffer.shift
     Timeout::Error:
       execution expired
     # ./lib/celluloid/mailbox.rb:62:in `sleep'
     # ./lib/celluloid/mailbox.rb:62:in `wait'
     # ./lib/celluloid/mailbox.rb:62:in `block in check'
     # ./lib/celluloid/mailbox.rb:57:in `check'
     # ./lib/celluloid/mailbox.rb:75:in `block in receive'
     # ./lib/celluloid/mailbox.rb:74:in `receive'
     # ./lib/celluloid/calls.rb:97:in `block in wait'
     # ./lib/celluloid/calls.rb:96:in `loop'
     # ./lib/celluloid/calls.rb:96:in `wait'
     # ./lib/celluloid.rb:116:in `suspend'
     # ./lib/celluloid/calls.rb:88:in `response'
     # ./lib/celluloid/calls.rb:92:in `value'
     # ./lib/celluloid/proxies/sync_proxy.rb:33:in `method_missing'
     # ./spec/celluloid/probe_spec.rb:53:in `block (5 levels) in <top 
(required)>'
     # ./spec/celluloid/probe_spec.rb:51:in `loop'
     # ./spec/celluloid/probe_spec.rb:51:in `block (4 levels) in <top 
(required)>'
     # ./spec/celluloid/probe_spec.rb:50:in `block (3 levels) in <top 
(required)>'


See the attached log for an example of a 1st build, which succeeds and a 2nd 
build which failed. (We've also had 1st builds that failed.)

This is the build history of the package in our setup:

4013|ruby-celluloid|0.15.2-2|testing|amd64|FTBFS|2015-03-12 14:14|2
4036|ruby-celluloid|0.15.2-2|testing|amd64|reproducible|2015-03-12 14:50|213
9265|ruby-celluloid|0.15.2-2|unstable|amd64|reproducible|2015-03-17 22:47|213
28535|ruby-celluloid|0.15.2-2|testing|amd64|reproducible|2015-04-01 00:37|293
83493|ruby-celluloid|0.15.2-2|testing|amd64|reproducible|2015-05-15 06:24|215
85249|ruby-celluloid|0.15.2-2|unstable|amd64|FTBFS|2015-05-16 00:36|51
98671|ruby-celluloid|0.16.0-1|unstable|amd64|reproducible|2015-05-24 08:57|472
98686|ruby-celluloid|0.16.0-1|unstable|amd64|FTBFS|2015-05-24 09:05|521
98695|ruby-celluloid|0.16.0-1|unstable|amd64|reproducible|2015-05-24 09:22|288
98713|ruby-celluloid|0.16.0-1|unstable|amd64|FTBFS|2015-05-24 10:12|172
98721|ruby-celluloid|0.16.0-1|unstable|amd64|FTBFS|2015-05-24 10:17|112
98735|ruby-celluloid|0.16.0-1|unstable|amd64|FTBFS|2015-05-24 10:22|239


cheers,
	Holger

 [1]: https://wiki.debian.org/ReproducibleBuilds
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