[DRE-maint] Bug#1110788: ruby-distribution: FTBFS: ERROR: Test "ruby3.3" failed: Failure/Error: expect(@engine.p_value(pr, a, b)).to be_within(1e-09).of(x / 100.0) 

[Lucas Nussbaum]

Source: ruby-distribution
Version: 0.8.0+dfsg-1
Severity: serious
Justification: FTBFS
Tags: forky sid ftbfs
User: lucas at debian.org
Usertags: ftbfs-20250809 ftbfs-forky

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

The full build log is available from:
http://qa-logs.debian.net/2025/08/09/ruby-distribution_0.8.0+dfsg-1_unstable.log

All bugs filed during this archive rebuild are listed at:
https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20250809;users=lucas@debian.org
or:
https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20250809&fusertaguser=lucas@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please mark it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.

-- 
Relevant part of the build log (hopefully):
>      Failure/Error: expect(@engine.p_value(pr, a, b)).to be_within(1e-09).of(x / 100.0)
>        expected 0.9800000190734863 to be within 1.0e-09 of 0.98
>      Shared Example Group: "Beta engine" called from /build/reproducible-path/ruby-distribution-0.8.0+dfsg/spec/beta_spec.rb:62
>      # /build/reproducible-path/ruby-distribution-0.8.0+dfsg/spec/beta_spec.rb:43:in `block (4 levels) in <top (required)>'
>      # /build/reproducible-path/ruby-distribution-0.8.0+dfsg/spec/beta_spec.rb:39:in `upto'
>      # /build/reproducible-path/ruby-distribution-0.8.0+dfsg/spec/beta_spec.rb:39:in `block (3 levels) in <top (required)>'
> 
> Finished in 1.13 seconds (files took 0.20629 seconds to load)
> 134 examples, 1 failure, 43 pending
> 
> Failed examples:
> 
> rspec '/build/reproducible-path/ruby-distribution-0.8.0+dfsg/spec/beta_spec.rb[1:2:1:3]' # Distribution::Beta Distribution::Beta::Ruby_ it should behave like Beta engine should return correct p_value
> 
> /usr/bin/ruby3.3 -I/usr/share/rubygems-integration/all/gems/rspec-support-3.13.1/lib:/usr/share/rubygems-integration/all/gems/rspec-core-3.13.0/lib /usr/share/rubygems-integration/all/gems/rspec-core-3.13.0/exe/rspec --pattern ./spec/\*\*/\*_spec.rb --format documentation failed
> ERROR: Test "ruby3.3" failed: