Intermittent CI failure in recompilation test

[Keno]

Test Failed at C:\buildkite-agent\builds\win2k22-amdci6-0\julialang\julia-master\julia-5ea9ac1ebd\share\julia\test\misc.jl:503
  Expression: length(matches) == 1
   Evaluated: 2 == 1

E.g. https://buildkite.com/julialang/julia-master/builds/49537/steps/canvas?sid=01985c11-5739-4591-9388-5b9584fba6f4

[Keno]

julia> second = "0.131371 seconds (5.47 k allocations: 284.203 KiB, 96.90% gc time, 2.81% compilation time)"
"0.131371 seconds (5.47 k allocations: 284.203 KiB, 96.90% gc time, 2.81% compilation time)"

julia> matches = collect(eachmatch(r"(\d+(?:\.\d+)?)%", second))
2-element Vector{RegexMatch}:
 RegexMatch("96.90%", 1="96.90")
 RegexMatch("2.81%", 1="2.81")