ArgumentError: invalid base64
https://sentry.gitlap.com/gitlab/gitlabcom/issues/14912/
ArgumentError: invalid base64
lib/ci/ansi2html.rb:200:in `restore_state'
state = Base64.urlsafe_decode64(new_state)
lib/ci/ansi2html.rb:93:in `convert'
restore_state(raw, new_state) if new_state.present?
lib/ci/ansi2html.rb:27:in `convert'
Converter.new.convert(ansi, state)
app/models/ci/build.rb:177:in `trace_with_state'
Ci::Ansi2html.convert(trace_ansi, state)
lib/gitlab/metrics/instrumentation.rb:155:in `block in trace_with_state'
trans.method_call_for(#{label.to_sym.inspect}).measure { super }
...
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