R Under development (unstable) (2025-11-12 r89009 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(lobstr)
> 
> test_check("lobstr")
[ FAIL 0 | WARN 0 | SKIP 25 | PASS 70 ]

══ Skipped tests (25) ══════════════════════════════════════════════════════════
• On CRAN (10): 'test-ast.R:14:1', 'test-ast.R:24:1', 'test-size.R:19:1',
  'test-sxp.R:46:1', 'test-sxp.R:58:1', 'test-sxp.R:66:1', 'test-sxp.R:79:1',
  'test-sxp.R:89:1', 'test-sxp.R:99:1', 'test-tree.R:61:1'
• On Windows (15): 'test-ast.R:6:3', 'test-ref.R:2:3', 'test-ref.R:20:3',
  'test-ref.R:32:3', 'test-ref.R:43:3', 'test-tree.R:2:3', 'test-tree.R:13:3',
  'test-tree.R:38:3', 'test-tree.R:95:3', 'test-tree.R:108:3',
  'test-tree.R:116:3', 'test-tree.R:152:3', 'test-tree.R:192:3',
  'test-tree.R:206:3', 'test-tree.R:220:3'

[ FAIL 0 | WARN 0 | SKIP 25 | PASS 70 ]
> 
> proc.time()
   user  system elapsed 
   1.62    0.31    1.93