R Under development (unstable) (2024-07-28 r86931 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> test_check("checkmate")
Loading required package: checkmate
[ FAIL 0 | WARN 0 | SKIP 1 | PASS 2997 ]

══ Skipped tests (1) ═══════════════════════════════════════════════════════════
• On CRAN (1): 'test_include.R:4:3'

[ FAIL 0 | WARN 0 | SKIP 1 | PASS 2997 ]
> 
> proc.time()
   user  system elapsed 
  18.32    3.25   21.62