[DRE-maint] Bug#794135: FTBFS: RSpec::Retry clearing lets should clear the let when the test fails

[Chris West (Faux)]

Source: ruby-rspec-retry
Version: 0.3.0-1
Severity: serious
Tags: sid stretch
Justification: fails to build from source
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs

Dear Maintainer,

The package fails to build:

/usr/bin/ruby2.1 /usr/bin/rspec --pattern spec/\*\*\{,/\*/\*\*\}/\*_spec.rb
..
RSpec::Retry: 2nd try ./spec/lib/rspec/retry_spec.rb:34
RSpec::Retry: 3rd try ./spec/lib/rspec/retry_spec.rb:34
..
RSpec::Retry: 2nd try ./spec/lib/rspec/retry_spec.rb:43
..
RSpec::Retry: 2nd try ./spec/lib/rspec/retry_spec.rb:61
F
RSpec::Retry: 2nd try ./spec/lib/rspec/retry_spec.rb:65
..

Failures:

  1) RSpec::Retry clearing lets should clear the let when the test fails so it can be reset
     Failure/Error: let_based_on_control.should == false
     NoMethodError:
       undefined method `fetch_or_store' for {}:Hash
     # ./spec/lib/rspec/retry_spec.rb:62:in `block (3 levels) in <top (required)>'
     # ./lib/rspec/retry.rb:36:in `block (3 levels) in apply'
     # ./lib/rspec/retry.rb:27:in `times'
     # ./lib/rspec/retry.rb:27:in `block (2 levels) in apply'


Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/ruby-rspec-retry.html

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.19.0-23-generic (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)