R Under development (unstable) (2023-04-25 r84327 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> test_check("checkmate")
Loading required package: checkmate
[ FAIL 0 | WARN 0 | SKIP 1 | PASS 2991 ]

══ Skipped tests ═══════════════════════════════════════════════════════════════
• On CRAN (1)

[ FAIL 0 | WARN 0 | SKIP 1 | PASS 2991 ]
> 
> proc.time()
   user  system elapsed 
  18.15    0.50   18.81