[DRE-maint] Bug#996513: ruby-stackprof: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed.

[Antonio Terceiro]

Source: ruby-stackprof
Version: 0.2.15-2
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: debian-ruby at lists.debian.org
Usertags: ruby3.0

Hi,

We are about to enable building against ruby3.0 on unstable. During a test
rebuild, ruby-stackprof was found to fail to build in that situation.

To reproduce this locally, you need to install ruby-all-dev from experimental
on an unstable system or build chroot.

Relevant part (hopefully):
> /usr/bin/ruby3.0 /usr/bin/gem2deb-test-runner
> 
> ┌──────────────────────────────────────────────────────────────────────────────┐
> │ Checking Rubygems dependency resolution on ruby3.0                           │
> └──────────────────────────────────────────────────────────────────────────────┘
> 
> GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-stackprof/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0:/var/lib/gems/3.0.0:/usr/local/lib/ruby/gems/3.0.0:/usr/lib/ruby/gems/3.0.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.0.0:/usr/share/rubygems-integration/3.0.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0 ruby3.0 -e gem\ \"stackprof\"
> 
> ┌──────────────────────────────────────────────────────────────────────────────┐
> │ Run tests for ruby3.0 from debian/ruby-tests.rake                            │
> └──────────────────────────────────────────────────────────────────────────────┘
> 
> RUBYLIB=. GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-stackprof/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0:/var/lib/gems/3.0.0:/usr/local/lib/ruby/gems/3.0.0:/usr/lib/ruby/gems/3.0.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.0.0:/usr/share/rubygems-integration/3.0.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0 ruby3.0 -S rake -f debian/ruby-tests.rake
> /usr/bin/ruby3.0 -w -I"test" /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb "test/test_middleware.rb" "test/test_report.rb" "test/test_stackprof.rb" -v
> /<<PKGBUILDDIR>>/test/test_stackprof.rb:181: warning: assigned but unused variable - raw
> Run options: -v --seed 11397
> 
> # Running:
> 
> StackProfTest#test_raw = 0.00 s = F
> StackProfTest#test_info = 0.00 s = .
> StackProfTest#test_out_to_path_string = 0.00 s = .
> StackProfTest#test_custom = 0.00 s = F
> StackProfTest#test_raises_if_metadata_is_not_a_hash = 0.00 s = .
> StackProfTest#test_metadata = 0.04 s = .
> StackProfTest#test_running = 0.00 s = .
> StackProfTest#test_object_allocation = 0.00 s = F
> StackProfTest#test_cputime = 0.04 s = F
> StackProfTest#test_gc = 0.08 s = .
> StackProfTest#test_empty_metadata = 0.03 s = .
> StackProfTest#test_object_allocation_interval = 0.00 s = .
> StackProfTest#test_recursive_total_samples = 0.00 s = .
> StackProfTest#test_start_stop_results = 0.00 s = .
> StackProfTest#test_fork = 0.00 s = .
> StackProfTest#test_walltime = 0.20 s = F
> StackProfTest#test_pathname_out = 0.00 s = .
> StackProfTest#test_out = 0.00 s = .
> StackProf::MiddlewareTest#test_enabled_should_use_a_proc_if_passed = 0.00 s = .
> StackProf::MiddlewareTest#test_raw = 0.00 s = .
> StackProf::MiddlewareTest#test_path_custom = 0.00 s = .
> StackProf::MiddlewareTest#test_save_custom = 0.00 s = .
> StackProf::MiddlewareTest#test_save_default = 0.00 s = .
> StackProf::MiddlewareTest#test_enabled_should_use_a_proc_if_passed_and_use_the_request_env = 0.00 s = .
> StackProf::MiddlewareTest#test_metadata = 0.00 s = .
> StackProf::MiddlewareTest#test_path_default = 0.00 s = .
> ReportDumpTest#test_dump_to_file = 0.02 s = .
> ReportDumpTest#test_dump_to_stdout = 0.00 s = .
> 
> Finished in 0.424334s, 65.9858 runs/s, 164.9644 assertions/s.
> 
>   1) Failure:
> StackProfTest#test_raw [/<<PKGBUILDDIR>>/test/test_stackprof.rb:108]:
> Expected # encoding: ASCII-8BIT
> #    valid: true
> "StackProf.sample" to include "StackProfTest#test_raw".
> 
>   2) Failure:
> StackProfTest#test_custom [/<<PKGBUILDDIR>>/test/test_stackprof.rb:93]:
> Expected # encoding: ASCII-8BIT
> #    valid: true
> "StackProf.sample" to include "StackProfTest#test_custom".
> 
>   3) Failure:
> StackProfTest#test_object_allocation [/<<PKGBUILDDIR>>/test/test_stackprof.rb:42]:
> Expected: 2
>   Actual: 4
> 
>   4) Failure:
> StackProfTest#test_cputime [/<<PKGBUILDDIR>>/test/test_stackprof.rb:68]:
> Expected # encoding: ASCII-8BIT
> #    valid: true
> "Integer#**" to include "StackProfTest#math".
> 
>   5) Failure:
> StackProfTest#test_walltime [/<<PKGBUILDDIR>>/test/test_stackprof.rb:77]:
> --- expected
> +++ actual
> @@ -1 +1,3 @@
> -"StackProfTest#idle"
> +# encoding: ASCII-8BIT
> +#    valid: true
> +"IO.select"
> 
> 
> 28 runs, 70 assertions, 5 failures, 0 errors, 0 skips
> rake aborted!
> Command failed with status (1): [ruby -w -I"test" /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb "test/test_middleware.rb" "test/test_report.rb" "test/test_stackprof.rb" -v]
> 
> Tasks: TOP => default
> (See full trace by running task with --trace)
> ERROR: Test "ruby3.0" failed.


The full build log is available at
https://people.debian.org/~kanashiro/ruby3.0/round2/builds/3/ruby-stackprof/ruby-stackprof_0.2.15-2+rebuild1633396249_amd64.build.txt
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